Tech Note 150 - ESP32 Low Sleep-Power Boards (Sleep Out!)

NOTE: ** I have no connection with either LOLIN or DFRobot ** For me there are two really good low-power development boards on the market; the Lolin D32 and the DFRobot Firebeetle V4.0, here I compare the two and show how the Firebeetle achieves an amazing 8.8uA in deep-sleep. Code example: https://github.com/G6EJD/ESP32-Deep-S...