Temperature/humidity sensors. ESP8266 + AM2320 with a LiPo charger (under/over voltage protection) and 3.7V 780mAh LiPo battery.
This channel is part of my final project for my introductory ECE class in college. The purpose is to gather some environmental data from my house and send them to my channel. To do that, I used the Adafruit Feather M0 Express, sensors, and some code