Created
December 9, 2020 16:52
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SDS011 dust sensor + DHT11 + Blynk
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| #include <Arduino.h> | |
| /* Comment this out to disable prints and save space */ | |
| #define BLYNK_PRINT Serial | |
| #include <ESP8266WiFi.h> | |
| #include <BlynkSimpleEsp8266.h> | |
| #include "SdsDustSensor.h" | |
| #include "DHT.h" | |
| #define DHTPIN D7 | |
| #define DHTTYPE DHT22 | |
| #define SDSRXPIN D1 | |
| #define SDSTXPIN D2 | |
| #define DEFAULT_WORKING_PERIOD 30 | |
| char auth[] = "xxxxxxxxxxxxxxxxxxxxxx"; | |
| char ssid[] = "xxxxx"; | |
| char pass[] = "xxxxx"; | |
| int uploadIntervalHandler = -1; | |
| SdsDustSensor sds(SDSRXPIN, SDSTXPIN); | |
| DHT dht(DHTPIN, DHTTYPE); | |
| BlynkTimer uploadTimer; | |
| void measureAndUpload() | |
| { | |
| Serial.println("Measuring and doing upload"); | |
| PmResult pm = sds.queryPm(); | |
| if (pm.isOk()) | |
| { | |
| Blynk.virtualWrite(V5, pm.pm25); | |
| Blynk.virtualWrite(V6, pm.pm10); | |
| } | |
| Serial.println(pm.toString()); | |
| float h = dht.readHumidity(); | |
| float t = dht.readTemperature(); | |
| if (!isnan(h)) | |
| { | |
| Blynk.virtualWrite(V8, h); | |
| } | |
| if (!isnan(t)) | |
| { | |
| Blynk.virtualWrite(V9, t); | |
| } | |
| } | |
| void setWorkingPeriod(int newWorkingPeriod) | |
| { | |
| Serial.println("Setting working period"); | |
| if (uploadIntervalHandler == -1) | |
| { | |
| uploadIntervalHandler = uploadTimer.setInterval(newWorkingPeriod * 60 * 1000L, measureAndUpload); | |
| } | |
| else | |
| { | |
| uploadTimer.changeInterval(uploadIntervalHandler, newWorkingPeriod * 60 * 1000L); | |
| } | |
| WorkingPeriodResult workingPeriodResult = sds.setCustomWorkingPeriod(newWorkingPeriod); | |
| Serial.println(workingPeriodResult.toString()); | |
| } | |
| BLYNK_WRITE(V7) | |
| { | |
| int newWorkingPeriod = param.asInt(); | |
| setWorkingPeriod(newWorkingPeriod); | |
| } | |
| BLYNK_CONNECTED() | |
| { | |
| Blynk.syncAll(); | |
| } | |
| void setup() | |
| { | |
| Serial.begin(9600); | |
| Serial.println("Hello sir"); | |
| sds.begin(); | |
| delay(3000); | |
| FirmwareVersionResult firmwareResult = sds.queryFirmwareVersion(); | |
| Serial.println(firmwareResult.toString()); | |
| if (!firmwareResult.isOk()) | |
| { | |
| Serial.println(firmwareResult.toString()); | |
| return; | |
| } | |
| WorkingPeriodResult workingPeriodResult = sds.setCustomWorkingPeriod(DEFAULT_WORKING_PERIOD); | |
| if (!workingPeriodResult.isOk()) | |
| { | |
| Serial.println(workingPeriodResult.toString()); | |
| return; | |
| } | |
| ReportingModeResult queryModeResult = sds.setQueryReportingMode(); | |
| if (!queryModeResult.isOk()) | |
| { | |
| Serial.println(queryModeResult.toString()); | |
| return; | |
| } | |
| setWorkingPeriod(DEFAULT_WORKING_PERIOD); | |
| dht.begin(); | |
| Blynk.begin(auth, ssid, pass); | |
| } | |
| void loop() | |
| { | |
| Blynk.run(); | |
| uploadTimer.run(); | |
| } |
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