regardless of skill with a soldering iron or Arduino toolkit. So they decided to base the guts on common components that can be put together easily, specifically a Wemos Mini D1 with an OLED ...

Refer below Tutorials WeMos D1 Mini ESP8266 Arduino WiFi Board: Features, Applications, and Pin Configuration Guide - Visit for simillar projects at https ...

Wemos D1 mini Pro & SHT30 shield using Arduino and MQTT. The goal is to have the SHT30 connected to the internet through wifi and publish temperature/humidity values on a MQTT broker. This code should ...

You have an ESP8266 board like the Wemos D1, a Li-Ion battery ... learn a few tricks for doing sleep Arduino environment, and even calculate how long your specific battery could last.