Lolin D1 Mini with Environmental Shields, Battery Shield and OLED Display for Portable Use
Currently, this Nodemcu is used to measure the capacity from recycled 18650 notebook batteries. Values maybe empty before new battery start.
Lolin D1 Mini Ublox SAM-MQ8 GNSS Google Maps Sensor Position Tracker
Currently, this LoLIn Nodemcu is used to measure the capacity from recycled 18650 notebook batteries. Values maybe empty before new battery start.
Heat Pump Energy Monitor, based on PZEM 016. Data uplodaded with a ESP8266 (WEMOS D1 Mini) + IL9431 local display