#include Adafruit_SHT31 sht31 = Adafruit_SHT31(); void setup_sht() { if (!sht31.begin(0x44)) { // Set to 0x45 for alternate i2c addr Serial.println("Couldn't find SHT31"); } sht31.heater(1); Serial.print("Heater Enabled State: "); if (sht31.isHeaterEnabled()) Serial.println("ENABLED"); else Serial.println("DISABLED"); } void loop_sht(JsonObject &root) { JsonObject sht = root.createNestedObject("sht31"); float t = sht31.readTemperature(); float h = sht31.readHumidity(); sht["temperature"] = t; sht["humidity"] = h; /* if (! isnan(t)) { // check if 'is not a number' Serial.print("Temp *C = "); Serial.print(t); Serial.print("\t\t"); } else { Serial.println("Failed to read temperature"); } if (! isnan(h)) { // check if 'is not a number' Serial.print("Hum. % = "); Serial.println(h); } else { Serial.println("Failed to read humidity"); } // Toggle heater enabled state every 30 seconds // An ~3.0 degC temperature increase can be noted when heater is enabled if (++loopCnt == 30) { enableHeater = !enableHeater; sht31.heater(enableHeater); Serial.print("Heater Enabled State: "); if (sht31.isHeaterEnabled()) Serial.println("ENABLED"); else Serial.println("DISABLED"); loopCnt = 0; } */ }