How to power an esp32 by button battery
Posted: Tue Dec 04, 2018 12:00 pm
by marcello.colombo
Hi to all, is possible to power an esp32 with a bottom battery? If yes... how can i do it... are there any tutorial to do it?... The esp will use 4 force sensore like... thank's
Re: How to power an esp32 by button battery
Posted: Wed Dec 05, 2018 2:55 am
by ESP_Sprite
Not in any useful way. The ESP32 uses a fair bit of power (max 500mA with WiFi on) and yer olde standard button cell has a too high internal resistance to provide that; the ESP32 will brown out before ESP-IDF is fully started. Suggest you look into using small LiIon cells or primaries instead.