Recently, I added solar power to one of my ESP8266 weather stations. With the right hardware, this was actually remarkably easy to do. To make things nice and easy, I ordered an Adafruit USB/DC/Solar Li-Ion/Li-Poly charger. (Top-right in the photo) These boards can take DC input from USB, a 2.1mm power jack or from wires … Continue reading "Solar powered ESP8266"
