If you’ve ever put your finger on an ESP8266 module when it’s really working, you’ll know what went wrong here: the ESP8266 heated up the board and gave a high reading on the temperature sensor.

If you want to get started with motion sensors and the like, ESPHome makes it incredibly easy to build your own sensors.

Posted in Microcontrollers Tagged 18650, environmental monitor, ESP8266, pcb enclosure, sensors ← Better Controls For Your Chromecast Through CEC Make A Mean-Sounding Synth From Average ...