Currently, this Nodemcu is used to measure the capacity from recycled 18650 notebook batteries. Values maybe empty before new battery start.
Weather station based on esp8266 and BME280 sensor. Upload to thingspeak.com every 1 minutes. Read data from sensor every 3 seconds and post them on serial and oled screen. Every 3 minutes i get data from openweathermaps.org.
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
nodeMCU + DHT11 + 18650 installata nel balcone di casa, pannello fotovoltaico 1W Milazzo (ME) per info matteom2011@gmail.com IN TEST
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.