BME280 I2C SPI 3,3 V Digitaler Sensor Temperatur Luftfeuchtigkeit 3 in 1 Luftdruck

State; if (! isnan(t)) { if (! Check wiring."). HIGH : LOW); // invert if your relay is active LOW Serial.printf("Relay -> %s\n", on ?. "ON" : "OFF"); if (! It supportsI²C andSPI and runs at3.3 V logic, making it ideal for ESP32/ESP8266, Arduino and Raspberry Pi projects.

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