temperature sensor - DS18B20
pressure and humidity sensor without a host - BME280
pwm - LM358N + LM317T
https://www.youtube.com/watch?v=FkhsTYEkrrw&t=24s
pressure and humidity sensor without a host - BME280
pwm - LM358N + LM317T
https://www.youtube.com/watch?v=FkhsTYEkrrw&t=24s
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