Breadboard prototype for a tiny weather station – Si7021 sensor, ESP8266 Wemos D1 mini microcontroller board, Nokia 5510 84*48 LCD – thesolaruniverse
Amazon.com: 6pcs for Wemos D1 Mini Battery Shield Micro USB Single Lithium Battery Charging Boost Module with Pins LED Indicator 5V 1A DC for WeMos D1 Mini Single Lithium Battery Charging &
Simple LED Strip, I don't know if I am doing it right - Microcontrollers - Arduino Forum
Amazon.com: Onyehn 4pcs for Wemos D1 Mini Battery Shield Micro USB Single Lithium Battery Charging Boost Module with Pins LED Indicator 5V 1A DC : Electronics
SOLVED] Wemos D1 mini - 5v and 3.3v pins - Microcontrollers - Arduino Forum