ESP32: read a DS18B20 temperature sensor with OneWire
Wire one or many DS18B20 temperature sensors to a single ESP32 GPIO pin. Multiple sensors, one wire, accurate to 0.5 C.
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#onewire
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Arduino: read temperature with a DS18B20 one-wire sensor
Wire a DS18B20 temperature sensor to an Arduino using the OneWire protocol. Multiple sensors on one pin, accurate to 0.5C.