Public Channels for Tag: 18650
Currently, this Nodemcu is used to measure the capacity from recycled 18650 notebook batteries. Values maybe empty before new battery start.
Currently, this LoLIn Nodemcu is used to measure the capacity from recycled 18650 notebook batteries. Values maybe empty before new battery start.
Weather station using an ATmega2560 and ESP8266 Author: Nikola Bogdanov
10 Wp solar panel, two 3400 mAh Li-CoO2 18650 batteries in parallel, permanent small ~50 mW load. A shunt regulator limits battery voltage to 4.1 V. An externally powered ESP32 measures sol and bat powers for ThingSpeak.