Slimme thermostaat, lucht- en verlichtingsregeling met Bluetooth

Code

• Thermostaat v11 - Celsius version.ino
• Thermostaat v11 - Fahrenheit version.ino

Thermostaat v11 - Celsius version.inoArduino

// Celsius versie v1.1// Programmacode van een intelligente Arduino smarthome thermostaatoplossing, // gebaseerd op Arduino Nano (of hoger) board, DS18B20 thermosensor, HC-05 Bluetooth-adapter, I2C 128X64 bicolor OLED-display.// Het systeem kan worden bediend met knoppen en Android-smartphone via bluetooth.//// Het behandelt de HEATER-gasboiler, de badkamer AIRING-ventilator en de keuken VERLICHTING - geschakeld met relais .// De kachel heeft twee manieren van werken. 1:Eenmalige verwarming (15 min) getimede modus, 2:Thermostaatmodus (hogere prioriteit). De aangepaste doeltempr.// opgeslagen in EEPROM. Het programma detecteert hardwarefouten en het openen van het raam - in deze gevallen stopt de verwarming en/of start niet.//// Ontworpen en geprogrammeerd door Gyula Osi.// Alle rechten voorbehouden.// --------- -------------------------------------------------- -------------------------------------------------- -----------------------// ---- Display I2C Bus, SDA(TX) -> A4, SCL(RX) -> A5#include "U8glib.h"U8GLIB_SSD1306_128X64 u8g(U8G_I2C_OPT_NONE); // display constructorbyte frame =0; // start logo pointer// ---- Poorten en gerelateerde declaraties bestaan ​​uit byte buzzer =9; // zoemer naar D9int btnVal; // slaat analoge waarden op van buttonsconst byte relayA =11; // airingbool aState =0; bool aStateByCmd; // als "vensterwaarschuwing" is verdwenen, gaat de luchtregeling terug naar de oorspronkelijke stateconst-byterelayL =13; // lightingbool lState =0;const byte relayH =10; // heaterconst byte ledH =6; // PWM-poorten maken aanpassing van het uitgangsniveau mogelijk die wordt gebruikt om de helderheidconstbyte ledA =5 te wijzigen; const byte ledL =3;const byte bright[3] ={0, 10, 100};byte brightHeat =helder[2];#define ledInterval 1000 // heater led knippert interval unsigned long prev =0;// ---- Tekenreeksen voor weergave en seriële rapporten #define STATE_ITEMS 3 // tekenreeksen voor apparaatstatusindicatoren voor uitgangen// i -> 0 1 2const String state_str[STATE_ITEMS] ={"on.", "off.", "auto."}; StringverwarmerState; String airingState;String lightingState;#define FUNCT_ITEMS 11// i -> 0 1 2 3 4 5 6 7 8 9 10 String funct_str[FUNCT_ITEMS] ={"Verwarming is", "Luchting is", "Verlichting is", "Venster Alert!", "Hardware Error!", "Hit a Key>>", "of send a Code!", "Target tempr =", "Temperature =", " * ", " -"};// -- -- Temperatuurmeting en aan verwarming gerelateerde functies#include  elapsedMillis timer0; // 8-bit, PWM-timer, gebruikt door functie elapsedMillis()#define sftyTmrInterval 15 * 60000 // eenmalige verwarming (15 min) interval in getimede modus [ms] bool sftyTmrEnded; // boolean startup, de timer0 is afgelopen#include byte tTarget; // aangepast doel temprconst int addr =0; // het huidige adres van de tTarget-variabele in de EEPROM-memorybool hState =0; // heater boolean statebool hThermostat =0; // thermostaat boolean state#include "OneWire.h" #include "DallasTemperature.h"#define DS18B20 2 // stel de OneWire-bus in op D2OneWire temprWire(DS18B20); // stel DS18B20 in om te werken op de OneWire-busDallasTemperature-sensoren(&temprWire);float tempr; // gemeten waardefloat temprPrev; // kopie van gemeten waarde voor trendanalyse bool windowAlrt =0; // gespecificeerde mate van tempr dropbool measError =0; // gemeten tempr-waarde ligt buiten het bereik dat is gespecificeerd als normalconst long temprInterval =60000; // cyclisch tempr-meetinterval [ms] unsigned long temprTmrPrev =0; // de verstreken tijd is de vorige wanneer temprMeas() float heatCorrVal aanroept; // geeft de mate van oververhitting en afkoeling aan, zie tempMeas() functie// ---- Configuratie van seriële communicatie op virtuele RXD/TXD #include  // SW seriële RX &TX-pinnen voor HC-05const int RX1 =8;const int TX1 =4;SoftwareSeriële sUART(RX1,TX1); char RX[2]; // bewaar ontvangen seriële databool errMsgSentBySys =0; bool opstarten =1; // blijf een dubbel BT-rapport vermijden bij startupconst uint8_t frame1 [] U8G_PROGMEM ={// XBM-kaart 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF , 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0x , 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0x , 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0x3F, 0x00, 0xFE, 0xFF, 0xFF, 0xFF, 0x07, 0xFF, 0x , 0x7F, 0x00, 0xFC, 0xFF, 0x7F, 0xF0, 0x3F, 0x00, 0xFE, 0xFF, 0xFF, 0xFF, 0x07, 0xFF, 0xFF, 0xFF, 0x7F, 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0x00, 0x00 , 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00 , 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00 , 0x00, 0x00, 0x00, };void setup() { sUART.begin(9600); pinMode (relaisH, UITGANG); relaisHandlerH(4); // verkrijg de werkende staat pinMode (ledH, OUTPUT); pinMode (relaisA, UITGANG); relaisHandlerA(4); pinMode (ledA, UITGANG); pinMode (relaisL, UITGANG); relaisHandlerL(4); pinMode (ledL, UITGANG); pinMode (zoemer, UITGANG); sensoren.begin(); // start DS18B20 temprMeas(); // wacht niet op de meas.timer, roep de functie één keer aan bij het opstarten tTarget =EEPROM.read(addr); // lees de eerder opgeslagen tTarget-waarde van het huidige adres van de EEPROM bij opstarten opstarten =0; if (!measError) { sTX(8); // vraag om direct rapport van de werkstatussen na het opstarten } else { sTX (2); }}void loop() { temprTimer(); ledHandler(); btnReadings(); sRX(); veiligheidTmr(); u8g.firstPage(); // scr loop do {draw(); } while( u8g.nextPage() ); if (frame ==0) { vertraging (3000); kader =1; clrScr(); }} ongeldig btnReadings () { // --------- Btn-waarden btnVal =analogRead (A0); // lees analoge waarde van A0 if (btnVal>=510 &&btnVal <=516) {// btn Verlichtingsvertraging (100); // btn debounce buzz (3, 1); relaisHandlerL(2); // roep de juiste functie aan met logische toestand flip opcode als parameter} else if (btnVal>=849 &&btnVal <=855){ // btn Airing if (windowAlrt ==1) { // als het systeem zich in de Window Alert-modus bevindt, schakel het uit windowAlrt =0; zoem (4, 3); relaisHandlerA(3); } else { // else zet de ventilatievertraging aan/uit (100); zoem (3, 1); relaisHandlerA(2); } } else if (btnVal>=927 &&btnVal <=933) { // btn Eenmalige verwarming (15 min) getimede modusvertraging (100); zoem (3, 1); relaisHandlerH(2); } else if (btnVal>=767 &&btnVal <=777) { // btn verminder tTarget delay (100); tTargetHandler(0); } else if (btnVal>=687 &&btnVal <=697) { // btn verhoging tTarget delay (100); tTargetHandler(1); } else if (btnVal>=856 &&btnVal <=862) { // inc &dec btns tegelijkertijd tTarget =14; // <====initiële waarde - druk op deze knoppen bij de allereerste power-up! }}void sRX() { // ------------- Seriële gegevens ontvangen terwijl (sUART.available ()> 0) { // als gegevens beschikbaar zijn om te lezen voor (byte i =0; ik <2; i++) { RX[i] =sUART.read(); } } int iRX[2]; for (byte i =0; i <2; i++) { iRX[i] =RX[i] - '0'; } schakelaar (RX[0]) { // ------------ accepteer ENKELE ALFABETISCHE besturingscodes geval 'A':relayHandlerH(1); // 1 =op pauze; geval 'a':relayHandlerH(0); // 0 =pauze; // Ontvangen seriële gegevens kunnen een enkele alfabetische letter zijn van de Android-app "Arduino case 'B':// Bluetooth Control Device". Als een juiste alfabetische relayHandlerA(1); // teken arriveert, de programmacode wacht niet op de tweede, pauze; // maar roept de toepasselijke functie aan met een juiste bewerkingscode. case 'b':// Gevallen van gecombineerde numerieke gegevens zijn hieronder te zien. relaisHandlerA(0); pauze; geval 'C':relayHandlerL(1); pauze; geval 'c':relayHandlerL(0); pauze; geval 'D':geval 'd':tTarget =21; tTargetEEPROM(); zoem (3, 1); pauze; geval 'E':geval 'e':tTarget =19; tTargetEEPROM(); zoem (3, 1); pauze; geval 'F':geval 'f':tTarget =14; tTargetEEPROM(); zoem (3, 1); pauze; case 'R':// oproep voor een overzichtsrapport over gecontroleerde apparaten case 'r':sTX(8); pauze; case 'W':// schakel Window Alert-status uit case 'w':windowAlrt =0; zoem (4, 3); relaisHandlerA(3); pauze; } // ----------------------- GECOMBINEERDE NUMERIEKE besturingscodes accepteren // In dit geval komt een tweecijferige numerieke besturingscode binnen in char-formaat, // van een Android bluetooth seriële app bijvoorbeeld. Na een char naar integer // conversie (alleen als de eerste char '1' of '2' is) volgt een merge-proces, // en het systeem van voorwaarden en statements zal een beslissing nemen en deze uitvoeren. // Passende numerieke codes zijn:// // ---------------- Doeltemperatuur:// 10 - 24 waarden worden geaccepteerd als doeltemperatuur voor de thermostaatfunctie. // // ---------------- Apparaatbesturingscodes:// Eerste =apparaatcode, Tweede =operatorcode // 30, 31, 32 schakelt de verlichting in:30=uit, 31=aan // 32=flip logische status (aan -> uit / uit -> aan) // 40, 41, 42 doen hetzelfde met de ventilatieventilator // 50, 51, 52 handelt de eenmalige verwarming af (15 minuten) getimed verwarmingsprogramma zoals hierboven // // ---------------- Geclassificeerde operatorcodes:// X3, X4 zijn geclassificeerd, worden alleen gebruikt voor functieaanroepen door interne programmareeksen als ( RX[0] =='3') { relayHandlerL(iRX[1]); } if (RX[0] =='4') { relayHandlerA(iRX[1]); } if (RX[0] =='5') { relayHandlerH(iRX[1]); } if ((iRX[0] * 10 + iRX[1] <=24) &&(iRX[0] * 10 + iRX[1]>=10)) { // accepteer alleen numerieke waarden tussen 10 en 24 tTarget =iRX[0] * 10 + iRX[1]; // voeg twee gehele getallen samen en stel tTarget tTargetEEPROM(); // bel na het instellen de EEPROM-handlerfunctie en buzz (3, 1); // schrijf de tTarget-waarde naar de juiste byte van de EEPROM } if (RX [0] =='0') {// test for (byte i =1; i <5; i++) { buzz (5, 2); } } for (byte i =0; i <2; i++) { // leeg alle berichtontvanger en conversievariabelen RX [i] ='Z'; } }void relayHandlerL (byte lOperator) { // Lighting Handler Sequence // operators zijn:0=uit, 1=aan, 2=draai de status, 4=vul/vul de verlichtingsstatus char var. if ((measError) &&((lOperator ==1) || (lOperator ==2))) { sTX(4); opbrengst; } if ((lOperator ==2) || (lOperator ==0) &&(lState) || (lOperator ==1) &&(!lState)) { lState =!lState; digitalWrite(relayL, lState); zoem (2, 1); } if (lOperator>=0) {// vul de werkende staat char met de juiste staat indicator string if (lState) { lightingState =state_str[0]; } else { lightingState =state_str[1]; } if (!startup) { sTX(7); } }}void relayHandlerA (byte aOperator) {// Airing Handler Sequence if ((measError) &&((aOperator ==1) || (aOperator ==2))) {// operators zijn:0=off, 1=aan, 2=de toestand omdraaien, sTX(4); // 3=aangeroepen door temprMeas() funct., 4=vul/vul de luchtstatus char var. opbrengst; } aState =digitalRead(relayA); if (!windowAlrt) { if ((aOperator ==2) || (aState) &&(aOperator ==0) || (!aState) &&(aOperator ==1)) { aState =!aState; digitalWrite(relayA, aState); aStateByCmd =digitalRead (relayA); zoem (2, 1); } } if (aOperator ==3) { // aangeroepen door de temprMeas() functie, 'windowAlrt' eindigde of begon if ((!aState) &&(windowAlrt) || (aState) &&(!windowAlrt) &&(!aStateByCmd )) {digitalWrite(relayA, windowAlrt); } } aState =digitalRead(relayA); if (aOperator>=0) {if (aState) {if (windowAlrt) {airingState =state_str[2]; } else { airingState =state_str[0]; } } else { airingState =state_str[1]; } } if (!startup) { sTX(6); }} void relayHandlerH (byte hOperator) { // Heater Handler Sequence // operators zijn:0 =uit, 1 =aan, 2 =de status omdraaien, // 3 =aangeroepen door temprMeas () funct., 4 =vullen / bijvullen de stand van de verwarming char var. if ((measError) &&((hOperator ==1) || (hOperator ==2))) { sTX(4); opbrengst; } if ((!hThermostat) &&(!windowAlrt) &&(!measError)) { // zet de eenmalige verwarming (15 minuten) tijdmodus aan/uit if ((hOperator ==2) || (hOperator ==1 ) &&(!hState) || (!hOperator) &&(hState)) { buzz(2, 1); hState =!hState; sftyTmrEnded =0; timer0 =0; digitalWrite(relayH, hState); } } if (windowAlrt) { sTX(3); } if (hOperator ==3) { // deze functie aangeroepen door de functie temprMeas() (op 3) // om windowAlrt &measError booleans te onderzoeken if ((windowAlrt) &&(hState)) { // een venster is open en de verwarming draait digitalWrite(relayH, 0); zoem (5, 3); } if ((!windowAlrt) &&(!measError)) { if ((hThermostat) || (!hThermostat) &&(hState) &&(sftyTmrEnded)) { digitalWrite(relayH, hThermostat); // ga verder met de opdracht van de thermostaatroutine } } } hState =digitalRead (relayH); if (hOperator>=0) {if (hState) {if (hThermostat) {heaterState =state_str[2]; } else { heaterState =state_str[0]; } } else { heaterState =state_str [1]; } if ((((!windowAlrt) &&(hOperator !=3)) || (hState)) &&(!startup)) { sTX(5); } }}void safetyTmr () { // Timer voor de eenmalige verwarming (15 minuten getimede) modus als ((hState) &&(!sftyTmrEnded) &&(timer0> sftyTmrInterval) &&(!hThermostat)) { sftyTmrEnded =1; relaisHandlerH(0); for (byte i =1; i <5; i++) { buzz(i, 2); } }}void temprTimer() {// Cyclische timer voor temprMeas() unsigned long temprTmrCurr =millis(); if (temprInterval <=temprTmrCurr - temprTmrPrev) { temprTmrPrev =temprTmrCurr; temprMeas(); } }void temprMeas() { // ----------- Temperatuurmeting en vergelijkingsvolgorde temprPrev =tempr; // sla de waarde op voor de volgende vergelijking sensors.requestTemperatures(); // update sensormetingen tempr =sensors.getTempCByIndex (0); // lees remperature if ((tempr>=40) || (tempr <=0)) {// extreme meas-waarden:if (!errMsgSentBySys) {// -127, -196.60 zijn HW-fouten, +85 is typisch SW fout, maar sTX(4); // kan vuur zijn, of een gebroken raam } errMsgSentBySys =1; hThermostaat =0; if (hState) { relayHandlerH(0); } if (aState) { relayHandlerA(0); } if (lState) { relayHandlerL(0); } measError =1; for (byte i =1; i <10; i++) { buzz(4, 1); vertraging (50); } } else { temprPrev =tempr; measError =0; errMsgSentBySys =0; } if (!measError) { // ------------ Start van temperatuuranalysereeks if (tempr <=17) { // Frequent, kortstondig schakelen van de verwarmingsketel op gas zou afbreken zijn levensduur, de heatCorrVal =0,5; // heatCorrVal-waarde helpt om het te vermijden. Geeft de mate van oververhitting en afkoeling aan. } // Lagere temperatuur vraagt ​​meer warmteCorrVal, omdat de muren kouder zijn en de if ((tempr> 17) &&(tempr <19)) { // warmte van de vers opgewarmde lucht, dus het hierboven beschreven effect zou effectiever. warmteCorrVal =0,4; } if (tempr>=19) { heatCorrVal =0.3; } if (tTarget - tempr>=heatCorrVal) { // trek de gemeten waarde af van het doel, als het verschil gelijk is aan of groter is dan heatCorrVal sftyTmrEnded =1; // deactiveer het tijdprogramma Eenmalige verwarming (15 min) als hThermostat =1 wordt uitgevoerd; // zet de buzz van de thermostaat aan (1, 1); } if ((tTarget - tempr <=-1 * heatCorrVal) &&(hThermostaat)) { hThermostaat =0; } if ((temprPrev - tempr>=0.2) &&(!windowAlrt) &&(tempr <=20)) { // in een meetcyclus en in stookseizoen de temperatuur windowAlrt =1; // drops, het zal evalueren als een venster open is sftyTmrEnded =1; for (byte i =1; i <5; i++) { buzz(4, 1); vertraging (50); } relaisHandlerA(3); // bel de luchtfunctie (opcode =3), om de lucht te verversen } if ((temprPrev - tempr <=-0.12) &&(windowAlrt)) { // the tempr. vallen is voorbij, de lucht werd warmer windowAlrt =0; // vanwege de warmtecapaciteit van de omgeving, buzz(4, 3); // dus schakel terug naar de normale modus relayHandlerA (3); } relaisHandlerH(3); // de functie onderzoekt aanroepparam (3) &windowAlrt &measError booleans if (!windowAlrt) { sTX(1); } }}void tTargetHandler (bool set) { // set the needed tempr by increasing or decreasing if (!set) { // incr if (tTarget <24) { // until it reaches the upper limit tTarget++; buzz(3, 1); } else { buzz(2, 3); } } else { // decr if (tTarget> 10) { tTarget--; buzz(3, 1); } else { buzz(2, 3); } } tTargetEEPROM();}void tTargetEEPROM() { EEPROM.write(addr, tTarget); // after incr/decr/set, write the tTarget value to the appropriate byte of the EEPROM delay(10); sTX(2);}void draw(void) { // logo handler if (frame ==0) { u8g.drawXBMP( 0, 0, 128, 64, frame1); } else if (frame ==1) screenFunctState(); } void screenFunctState(void) { // function state screen temprWriteOut(0, 64); u8g.drawHLine(0, 46, 128); u8g.setFont(u8g_font_unifont); if (!windowAlrt) { u8g.setPrintPos( 0, 14); u8g.print(funct_str[0]); u8g.setPrintPos(84, 14); u8g.print(heaterState); } else { u8g.setPrintPos( 0, 14); u8g.print(funct_str[3]); } u8g.setPrintPos( 0, 28); u8g.print(funct_str[1]); u8g.setPrintPos(88, 28); u8g.print(airingState); u8g.setPrintPos( 0, 42); u8g.print(funct_str[2]); u8g.setPrintPos(95, 42); u8g.print(lightingState); if ((!hState) &&(!aState) &&(!lState)) { screenStndby(); // if all of controlled devices are in off, call standby screen }}void screenStndby() { // standby scr u8g.firstPage(); do { u8g.setFontRefHeightText(); u8g.setFont(u8g_font_unifont); if (!measError) { u8g.setPrintPos(33, 52); u8g.print(funct_str[5]); u8g.setPrintPos( 8, 64); u8g.print(funct_str[6]); } else { u8g.setPrintPos( 4, 48); u8g.print(funct_str[4]); } temprWriteOut(0, 16); } while( u8g.nextPage() );}void temprWriteOut (byte tX, byte tY) { // draw tempr &tTarget variables onto different coordinates u8g.setFont(u8g_font_courB14);//u8g.setFont(u8g_font_6x12); // you can save ~10% of prog.memory using this font with 2x2 scale char buftTarget[9]; sprintf (buftTarget, "%d", tTarget); // int to char//u8g.setScale2x2();//tY =tY / 2; u8g.setPrintPos(tX, tY); u8g.print(buftTarget); u8g.setPrintPos(tX+18, tY); u8g.print(funct_str[9]); u8g.setPrintPos(tX+50, tY); u8g.print(tempr); u8g.print(char(176)); u8g.print("C");//u8g.undoScale();}void clrScr(){ u8g.firstPage(); do { } while( u8g.nextPage() );}void ledHandler() { // the brightness of a led is low, if the indicated device is off, and high, if its on if (aState) { analogWrite(ledA, bright[2]); } else { analogWrite(ledA, bright[1]); } if (lState) { analogWrite(ledL, bright[2]); } else { analogWrite(ledL, bright[1]); } if (hState) { if (!hThermostat) { ledBlnk(); // the heater led blinks when the One Time Heating (15 mins) timed mode is activated, } else { brightHeat =bright[2]; // and constant bright, if the thermostat routine is active } } else { brightHeat =bright[1]; } analogWrite(ledH, brightHeat);}void ledBlnk() { unsigned long curr =millis(); if (ledInterval <=curr - prev) { // subtract prev value from current, if the difference equals or greater than ledInterval const. prev =curr; // overwrite the earlier value with the current and flip brightness level if (brightHeat ==bright[1]) { brightHeat =bright[2]; } else { brightHeat =bright[1]; } } analogWrite(ledH, brightHeat);}void buzz(byte b, byte d) { // call with frequency and delay parameters tone(buzzer, b * 1000); delay(d * 100); noTone(buzzer);}void sTX(byte reportTX) { // sending serial reports switch (reportTX) { case 0:for (byte i =0; i <9; i++) { sUART.print(funct_str[10]); } sUART.println(funct_str[10]); pauze; case 1:sUART.print(funct_str[8]); // Tempr. sUART.print(tempr); sUART.print(char(176)); sUART.println("C"); pauze; case 2:sUART.print(funct_str[7]); // TTemp sUART.print(tTarget); sUART.print(char(176)); sUART.println("C"); pauze; case 3:sUART.print(funct_str[3]); // Window Alert sUART.print(funct_str[9]); sUART.print(tempr); sUART.print(char(176)); sUART.println("C"); pauze; case 4:sUART.println(funct_str[4]); // Error report break; case 5:sUART.print(funct_str[0]); // Working state of devices sUART.println(heaterState); pauze; case 6:sUART.print(funct_str[1]); sUART.println(airingState); pauze; case 7:sUART.print(funct_str[2]); sUART.println(lightingState); pauze; case 8:// Overview report sTX(0); relayHandlerH(4); relayHandlerA(4); relayHandlerL(4); sTX(2); if (measError) { sTX(4); } pauze; }}

Thermostat v11 - Fahrenheit version.inoArduino

// Fahrenheit version v1.1// Program code of an intelligent Arduino smarthome thermostat solution, // based on Arduino Nano (or higher) board, DS18B20 thermo sensor, HC-05 Bluetooth adapter, I2C 128X64 bicolor OLED display.// The system can be controlled by buttons and Android smartphone via bluetooth.//// It handles the HEATER gas boiler, the bathroom AIRING ventilator and the kitchen LIGHTING - swithed with relays.// The heater has two working ways. 1:One Time Heating (15 mins) timed mode, 2:Thermostat mode (higher priority). The adjusted target tempr.// stored in EEPROM. The program detects hardware errors and window opening - in these cases the heater stops and/or will not start.//// Designed and programmed by Gyula Osi.// All rights reserved.// ------------------------------------------------------------------------------------------------------------------------------------// ---- Display I2C Bus, SDA(TX) -> A4, SCL(RX) -> A5#include "U8glib.h"U8GLIB_SSD1306_128X64 u8g(U8G_I2C_OPT_NONE); // display constructorbyte frame =0; // start logo pointer// ---- Ports and related declarationsconst byte buzzer =9; // buzzer to D9int btnVal; // stores analog values from buttonsconst byte relayA =11; // airingbool aState =0;bool aStateByCmd; // if "window alert" is gone, the airing control goes back to the original stateconst byte relayL =13; // lightingbool lState =0;const byte relayH =10; // heaterconst byte ledH =6; // PWM ports allow output level adjustment used to change brightnessconst byte ledA =5; const byte ledL =3;const byte bright[3] ={0, 10, 100};byte brightHeat =bright[2];#define ledInterval 1000 // heater led blinking intervalunsigned long prev =0;// ---- Strings for Display and Serial Reports #define STATE_ITEMS 3 // device state indicator strings for outputs// i -> 0 1 2const String state_str[STATE_ITEMS] ={"on.", "off.", "auto."}; String heaterState; String airingState;String lightingState;#define FUNCT_ITEMS 11// i -> 0 1 2 3 4 5 6 7 8 9 10 String funct_str[FUNCT_ITEMS] ={"Heater is ", "Airing is ", "Lighting is ", "Window Alert!", "Hardware Error!", "Hit a Key>>", "or send a Code!", "Target tempr =", "Temperature =", " * ", " -"};// ---- Temperature Measurement and Heater Related Features#include  elapsedMillis timer0; // 8-bit, PWM timer, used by function elapsedMillis()#define sftyTmrInterval 15 * 60000 // one Time Heating (15 mins) timed mode interval [ms]bool sftyTmrEnded; // boolean startup, the timer0 has ended#include byte tTarget; // adjusted target temprconst int addr =0; // the current address of the tTarget variable in the EEPROM memorybool hState =0; // heater boolean statebool hThermostat =0; // thermostat boolean state#include "OneWire.h" #include "DallasTemperature.h"#define DS18B20 2 // setup the OneWire bus on D2OneWire temprWire(DS18B20); // setup DS18B20 to work on the OneWire busDallasTemperature sensors(&temprWire);float tempr; // measured valuefloat temprPrev; // copy of measured value for trend analysisbool windowAlrt =0; // specified degree of tempr dropbool measError =0; // measured tempr value is out of the range specified as normalconst long temprInterval =60000; // cyclic tempr measurement interval [ms]unsigned long temprTmrPrev =0; // the elapsed will be the previous when temprMeas() calledfloat heatCorrVal; // declares the degree of overheating and cooling back, see tempMeas() function// ---- Configuration of Serial Communication on virtual RXD/TXD#include  // SW serial RX &TX pins for HC-05const int RX1 =8;const int TX1 =4;SoftwareSerial sUART(RX1,TX1); char RX[2]; // store received serial databool errMsgSentBySys =0; bool startup =1; // keep avoid a duplicate BT report at startupconst uint8_t frame1[] U8G_PROGMEM ={ // XBM map 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0x3F, 0x00, 0xFE, 0xFF, 0xFF, 0xFF, 0x07, 0xFF, 0xFF, 0xFF, 0x7F, 0x00, 0xFC, 0xFF, 0x7F, 0xF0, 0x3F, 0x00, 0xFE, 0xFF, 0xFF, 0xFF, 0x07, 0xFF, 0xFF, 0xFF, 0x7F, 0x00, 0xFC, 0xFF, 0x7F, 0xF0, 0x8F, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0x1F, 0xFF, 0xFF, 0xFF, 0x1F, 0xFF, 0xF1, 0xFF, 0xFF, 0xFF, 0x8F, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0x1F, 0xFF, 0xFF, 0xFF, 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0x0F, 0xFE, 0x18, 0x1F, 0x0C, 0x3E, 0x1E, 0x3C, 0x3E, 0xF8, 0x1F, 0x7C, 0xF0, 0x3F, 0x78, 0xF0, 0x0F, 0xFE, 0x18, 0x1F, 0x0C, 0x3E, 0x1E, 0x3C, 0x3E, 0xF8, 0x1F, 0x7C, 0xF0, 0x3F, 0x78, 0xF0, 0x3F, 0x00, 0x7E, 0x00, 0x3C, 0x80, 0x07, 0xF0, 0x00, 0xF8, 0x7F, 0x00, 0x3C, 0x00, 0x1E, 0xC0, 0x3F, 0x00, 0x7E, 0x00, 0x3C, 0x80, 0x07, 0xF0, 0x00, 0xF8, 0x7F, 0x00, 0x3C, 0x00, 0x1E, 0xC0, 0xFF, 0xFF, 0xFF, 0x1F, 0xFC, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0x1F, 0xFC, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0x7F, 0x00, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0x7F, 0x00, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 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0x00, 0x00, 0x00 , 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, };void setup() { sUART.begin(9600); pinMode(relayH, OUTPUT); relayHandlerH(4); // get the working state pinMode(ledH, OUTPUT); pinMode(relayA, OUTPUT); relayHandlerA(4); pinMode(ledA, OUTPUT); pinMode(relayL, OUTPUT); relayHandlerL(4); pinMode(ledL, OUTPUT); pinMode(buzzer, OUTPUT); sensoren.begin(); // start DS18B20 temprMeas(); // do not wait for the meas.timer, call the function once at startup tTarget =EEPROM.read(addr); // read the previously stored tTarget value from the current address of the EEPROM at startup startup =0; if (!measError) { sTX(8); // call for instant report of working states after startup } else { sTX(2); }}void loop() { temprTimer(); ledHandler(); btnReadings(); sRX(); safetyTmr(); u8g.firstPage(); // scr loop do { draw(); } while( u8g.nextPage() ); if (frame ==0) { delay(3000); frame =1; clrScr(); }}void btnReadings() { // --------- Btn Readings btnVal =analogRead(A0); // read analog val from A0 if (btnVal>=510 &&btnVal <=516) { // btn Lighting delay(100); // btn debounce buzz(3, 1); relayHandlerL(2); // call proper function with logical state flip opcode as parameter } else if (btnVal>=849 &&btnVal <=855){ // btn Airing if (windowAlrt ==1) { // if the system is in Window Alert mode, disable it windowAlrt =0; buzz(4, 3); relayHandlerA(3); } else { // else turn on/off the airing ventilator delay(100); buzz(3, 1); relayHandlerA(2); } } else if (btnVal>=927 &&btnVal <=933){ // btn One Time Heating (15 mins) timed mode delay(100); buzz(3, 1); relayHandlerH(2); } else if (btnVal>=767 &&btnVal <=777) { // btn decrease tTarget delay(100); tTargetHandler(0); } else if (btnVal>=687 &&btnVal <=697) { // btn increase tTarget delay(100); tTargetHandler(1); } else if (btnVal>=856 &&btnVal <=862) { // inc &dec btns at the same time tTarget =14; // <====initial value - press these buttons at the very first powerup! }}void sRX() { // ------------- Receive Serial Data while (sUART.available()> 0) { // if data is available to read for (byte i =0; i <2; i++) { RX[i] =sUART.read(); } } int iRX[2]; for (byte i =0; i <2; i++) { iRX[i] =RX[i] - '0'; } switch (RX[0]) { // ------------ accept SINGLE ALPHABETICAL control codes case 'A':relayHandlerH(1); // 1 =on break; case 'a':relayHandlerH(0); // 0 =off break; // Received serial data can be a single alphabetical letter from "Arduino case 'B':// Bluetooth Control Device" Android app. If a proper alphabetical relayHandlerA(1); // character arrives, the program code will not wait for the second one, break; // but calls the applicable function with a proper operation code. case 'b':// Cases of combined numeric data can be seen below. relayHandlerA(0); pauze; case 'C':relayHandlerL(1); pauze; case 'c':relayHandlerL(0); pauze; case 'D':case 'd':tTarget =21; tTargetEEPROM(); buzz(3, 1); pauze; case 'E':case 'e':tTarget =19; tTargetEEPROM(); buzz(3, 1); pauze; case 'F':case 'f':tTarget =14; tTargetEEPROM(); buzz(3, 1); pauze; case 'R':// call for an overview report about controlled devices case 'r':sTX(8); pauze; case 'W':// disable Window Alert state case 'w':windowAlrt =0; buzz(4, 3); relayHandlerA(3); pauze; } // ----------------------- accept COMBINED NUMERIC control codes // In this case a two-digit numeric control code arrives in char format, // from an Android bluetooth serial app for instance. After a char to integer // conversion (only if the first char is '1' or '2') a merge-process will follow, // and the system of conditions and statements will make a decision and execute it. // Appropriate numeric codes are:// // ---------------- Target Temperature:// 50 - 76 values will be accepted as a target temperature for the thermostat function. // // ---------------- Device Control Codes:// First =device code, Second =operator code // 10, 11, 12 turns the lighting:10=off, 11=on // 12=flip logical state (on -> off / off -> on) // 20, 21, 22 will do the same to the airing ventilator // 30, 31, 32 handles the One Time Heating (15 mins) timed heater program as above // // ---------------- Classified Operator Codes:// X3, X4 are classified, used only for function calls by inner program sequences if (RX[0] =='1') { relayHandlerL(iRX[1]); } if (RX[0] =='2') { relayHandlerA(iRX[1]); } if (RX[0] =='3') { relayHandlerH(iRX[1]); } if ((iRX[0] * 10 + iRX[1] <=76) &&(iRX[0] * 10 + iRX[1]>=50)) { // accept only numeric values between 50 &76 tTarget =iRX[0] * 10 + iRX[1]; // merge two integers and set tTarget tTargetEEPROM(); // after set, call the EEPROM handler function, and buzz(3, 1); // write the tTarget value to the appropriate byte of the EEPROM } if (RX[0] =='0') { // test for (byte i =1; i <5; i++) { buzz(5, 2); } } for (byte i =0; i <2; i++) { // empty all message receiver and conversion variables RX[i] ='Z'; } }void relayHandlerL(byte lOperator) { // Lighting Handler Sequence // operators are:0=off, 1=on, 2=flip the state, 4=fill/refill the lighting state char var. if ((measError) &&((lOperator ==1) || (lOperator ==2))) { sTX(4); opbrengst; } if ((lOperator ==2) || (lOperator ==0) &&(lState) || (lOperator ==1) &&(!lState)) { lState =!lState; digitalWrite(relayL, lState); buzz(2, 1); } if (lOperator>=0) { // fill up the working state char with the proper state indicator string if (lState) { lightingState =state_str[0]; } else { lightingState =state_str[1]; } if (!startup) { sTX(7); } }}void relayHandlerA(byte aOperator) { // Airing Handler Sequence if ((measError) &&((aOperator ==1) || (aOperator ==2))) { // operators are:0=off, 1=on, 2=flip the state, sTX(4); // 3=called by temprMeas() funct., 4=fill/refill the airing state char var. opbrengst; } aState =digitalRead(relayA); if (!windowAlrt) { if ((aOperator ==2) || (aState) &&(aOperator ==0) || (!aState) &&(aOperator ==1)) { aState =!aState; digitalWrite(relayA, aState); aStateByCmd =digitalRead(relayA); buzz(2, 1); } } if (aOperator ==3) { // called by the temprMeas() function, 'windowAlrt' ended or started if ((!aState) &&(windowAlrt) || (aState) &&(!windowAlrt) &&(!aStateByCmd)) { digitalWrite(relayA, windowAlrt); } } aState =digitalRead(relayA); if (aOperator>=0) { if (aState) { if (windowAlrt) { airingState =state_str[2]; } else { airingState =state_str[0]; } } else { airingState =state_str[1]; } } if (!startup) { sTX(6); }} void relayHandlerH(byte hOperator) { // Heater Handler Sequence // operators are:0=off, 1=on, 2=flip the state, // 3=called by temprMeas() funct., 4=fill/refill the heater state char var. if ((measError) &&((hOperator ==1) || (hOperator ==2))) { sTX(4); opbrengst; } if ((!hThermostat) &&(!windowAlrt) &&(!measError)) { // turn on/off the One Time Heating (15 mins) timed mode if ((hOperator ==2) || (hOperator ==1) &&(!hState) || (!hOperator) &&(hState)) { buzz(2, 1); hState =!hState; sftyTmrEnded =0; timer0 =0; digitalWrite(relayH, hState); } } if (windowAlrt) { sTX(3); } if (hOperator ==3) { // this function called by the temprMeas() function (op 3) // in order to examine windowAlrt &measError booleans if ((windowAlrt) &&(hState)) { // a window is open and the heater is running digitalWrite(relayH, 0); buzz(5, 3); } if ((!windowAlrt) &&(!measError)) { if ((hThermostat) || (!hThermostat) &&(hState) &&(sftyTmrEnded)) { digitalWrite(relayH, hThermostat); // proceed the command of the Thermostat Routine } } } hState =digitalRead(relayH); if (hOperator>=0) { if (hState) { if (hThermostat) { heaterState =state_str[2]; } else { heaterState =state_str[0]; } } else { heaterState =state_str[1]; } if ((((!windowAlrt) &&(hOperator !=3)) || (hState)) &&(!startup)) { sTX(5); } }}void safetyTmr () { // Timer for the One Time Heating (15 mins timed) mode if ((hState) &&(!sftyTmrEnded) &&(timer0> sftyTmrInterval) &&(!hThermostat)) { sftyTmrEnded =1; relayHandlerH(0); for (byte i =1; i <5; i++) { buzz(i, 2); } }}void temprTimer() { // Cyclic Timer for temprMeas() unsigned long temprTmrCurr =millis(); if (temprInterval <=temprTmrCurr - temprTmrPrev) { temprTmrPrev =temprTmrCurr; temprMeas(); } }void temprMeas() { // ----------- Temperature Measurement &Comparison Sequence temprPrev =tempr; // save the value for next comparison sensors.requestTemperatures(); // update sensor readings tempr =sensors.getTempFByIndex(0); // read remperature if ((tempr>=104) || (tempr <=32)) { // extreme meas values:if (!errMsgSentBySys) { // -127, -196.60 are HW errors, +85 is tipically SW error, but sTX(4); // can be fire, or a broken window } errMsgSentBySys =1; hThermostat =0; if (hState) { relayHandlerH(0); } if (aState) { relayHandlerA(0); } if (lState) { relayHandlerL(0); } measError =1; for (byte i =1; i <10; i++) { buzz(4, 1); vertraging (50); } } else { temprPrev =tempr; measError =0; errMsgSentBySys =0; } if (!measError) { // ------------ Start of Temperature Analysis Sequence if (tempr <=62.6) { // Frequent, short-term switching of the heater gas boiler would cut short its lifetime, the heatCorrVal =0.9; // heatCorrVal value helps to keep avoid it. Declares the degree of overheating and cooling back. } // Lower temperature demands greater heatCorrVal, because the walls are colder and adsorb better the if ((tempr> 62.6) &&(tempr <66.2)) { // warmth from the freshly heated-up air, so the above described effect would more effective. heatCorrVal =0.72; } if (tempr>=66.2) { heatCorrVal =0.54; } if (tTarget - tempr>=heatCorrVal) { // subtract measured value from target, if the difference equals or greater than heatCorrVal sftyTmrEnded =1; // deactivate the One Time Heating (15 mins) timed program if it is running hThermostat =1; // turn on the thermostat buzz(1, 1); } if ((tTarget - tempr <=-1 * heatCorrVal) &&(hThermostat)) { hThermostat =0; } if ((temprPrev - tempr>=0.36) &&(!windowAlrt) &&(tempr <=68)) { // in a measurement cycle and in heating season the temperature windowAlrt =1; // drops, it will evaluate as a window is open sftyTmrEnded =1; for (byte i =1; i <5; i++) { buzz(4, 1); vertraging (50); } relayHandlerA(3); // call airing function (opcode =3), to help refresh the air } if ((temprPrev - tempr <=-0.216) &&(windowAlrt)) { // the tempr. falling is over, the air became warmer windowAlrt =0; // due to the heat capacity of the environment, buzz(4, 3); // so switch back to normal mode relayHandlerA(3); } relayHandlerH(3); // the function will examine caller param(3) &windowAlrt &measError booleans if (!windowAlrt) { sTX(1); } }}void tTargetHandler (bool set) { // set the needed tempr by increasing or decreasing if (!set) { // incr if (tTarget <76) { // until it reaches the upper limit tTarget++; buzz(3, 1); } else { buzz(2, 3); } } else { // decr if (tTarget> 50) { tTarget--; buzz(3, 1); } else { buzz(2, 3); } } tTargetEEPROM();}void tTargetEEPROM() { EEPROM.write(addr, tTarget); // after incr/decr/set, write the tTarget value to the appropriate byte of the EEPROM delay(10); sTX(2);}void draw(void) { // logo handler if (frame ==0) { u8g.drawXBMP( 0, 0, 128, 64, frame1); } else if (frame ==1) screenFunctState(); } void screenFunctState(void) { // function state screen temprWriteOut(0, 64); u8g.drawHLine(0, 46, 128); u8g.setFont(u8g_font_unifont); if (!windowAlrt) { u8g.setPrintPos( 0, 14); u8g.print(funct_str[0]); u8g.setPrintPos(84, 14); u8g.print(heaterState); } else { u8g.setPrintPos( 0, 14); u8g.print(funct_str[3]); } u8g.setPrintPos( 0, 28); u8g.print(funct_str[1]); u8g.setPrintPos(88, 28); u8g.print(airingState); u8g.setPrintPos( 0, 42); u8g.print(funct_str[2]); u8g.setPrintPos(95, 42); u8g.print(lightingState); if ((!hState) &&(!aState) &&(!lState)) { screenStndby(); // if all of controlled devices are in off, call standby screen }}void screenStndby() { // standby scr u8g.firstPage(); do { u8g.setFontRefHeightText(); u8g.setFont(u8g_font_unifont); if (!measError) { u8g.setPrintPos(33, 52); u8g.print(funct_str[5]); u8g.setPrintPos( 8, 64); u8g.print(funct_str[6]); } else { u8g.setPrintPos( 4, 48); u8g.print(funct_str[4]); } temprWriteOut(0, 16); } while( u8g.nextPage() );}void temprWriteOut (byte tX, byte tY) { // draw tempr &tTarget variables onto different coordinates u8g.setFont(u8g_font_courB14);//u8g.setFont(u8g_font_6x12); // you can save ~10% of prog.memory using this font with 2x2 scale char buftTarget[9]; sprintf (buftTarget, "%d", tTarget); // int to char//u8g.setScale2x2();//tY =tY / 2; u8g.setPrintPos(tX, tY); u8g.print(buftTarget); u8g.setPrintPos(tX+18, tY); u8g.print(funct_str[9]); u8g.setPrintPos(tX+50, tY); u8g.print(tempr); //u8g.print(char(176)); u8g.print("F");//u8g.undoScale();}void clrScr(){ u8g.firstPage(); do { } while( u8g.nextPage() );}void ledHandler() { // the brightness of a led is low, if the indicated device is off, and high, if its on if (aState) { analogWrite(ledA, bright[2]); } else { analogWrite(ledA, bright[1]); } if (lState) { analogWrite(ledL, bright[2]); } else { analogWrite(ledL, bright[1]); } if (hState) { if (!hThermostat) { ledBlnk(); // the heater led blinks when the One Time Heating (15 mins) timed mode is activated, } else { brightHeat =bright[2]; // and constant bright, if the thermostat routine is active } } else { brightHeat =bright[1]; } analogWrite(ledH, brightHeat);}void ledBlnk() { unsigned long curr =millis(); if (ledInterval <=curr - prev) { // subtract prev value from current, if the difference equals or greater than ledInterval const. prev =curr; // overwrite the earlier value with the current and flip brightness level if (brightHeat ==bright[1]) { brightHeat =bright[2]; } else { brightHeat =bright[1]; } } analogWrite(ledH, brightHeat);}void buzz(byte b, byte d) { // call with frequency and delay parameters tone(buzzer, b * 1000); delay(d * 100); noTone(buzzer);}void sTX(byte reportTX) { // sending serial reports switch (reportTX) { case 0:for (byte i =0; i <9; i++) { sUART.print(funct_str[10]); } sUART.println(funct_str[10]); pauze; case 1:sUART.print(funct_str[8]); // Tempr. sUART.print(tempr); //sUART.print(char(176)); sUART.println("F"); pauze; case 2:sUART.print(funct_str[7]); // TTemp sUART.print(tTarget); //sUART.print(char(176)); sUART.println("F"); pauze; case 3:sUART.print(funct_str[3]); // Window Alert sUART.print(funct_str[9]); sUART.print(tempr); //sUART.print(char(176)); sUART.println("F"); pauze; case 4:sUART.println(funct_str[4]); // Error report break; case 5:sUART.print(funct_str[0]); // Working state of devices sUART.println(heaterState); pauze; case 6:sUART.print(funct_str[1]); sUART.println(airingState); pauze; case 7:sUART.print(funct_str[2]); sUART.println(lightingState); pauze; case 8:// Overview report sTX(0); relayHandlerH(4); relayHandlerA(4); relayHandlerL(4); sTX(2); if (measError) { sTX(4); } pauze; }}

Schema's

For jumper wire test... You have to solder it