Diy Smart Thermometer in under $5
Today we will use the DHT22 sensor and NodeMCU platform to make a smart thermometer. For this project you will need: DHT22 Temperature and Humidity Sensor NodeMCU – D1 Mini…
Continue readingToday we will use the DHT22 sensor and NodeMCU platform to make a smart thermometer. For this project you will need: DHT22 Temperature and Humidity Sensor NodeMCU – D1 Mini…
Continue readingWhat is a relay? A relay is a switch that open and close circuits when actuated with an electric signal (or manually by a person or an object). The main…
Continue reading