Correct way to connect solar panel to top up lithium connected battery on firebeetle esp32?
Account cancelled 2021-03-05 01:51:36 1203 Views1 Replies I want to connect a small solar panel to an ESP32 which deep sleeps, wakes each minute, connects to WIFI sends data and goes back to sleep again. If I use a firebeetle ESP32 board with a connected 3.7v lithium battery, what is the correct way of the solar panel providing providing that trickle charge to the battery? Can I just use a 5v panel and make up a USB lead and plug it into the USB socket? or connect directly to 5v pin?
2021-03-08 18:54:28 If the solar panel can output 5V stably, you can connect it directly to the VCC pin, but then you can no longer connect to the USB power supply and battery. If you can make it into a USB cable and connect it to the USB interface, it's safer.
You can also try solar management modules like DFR0579, DFR0559 347945801
You can also try solar management modules like DFR0579, DFR0559
347945801 