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 readingIn a previous post we learned how to make the smart light sensor, not we will learn how to integrate it in Node-RED so we can read the value and…
Continue readingIn this post I will make a smart light sensor that we will later use to integrate with our IoT projects. To do this, we will need the following items…
Continue readingHardware needed: NodeMCU / Wemos D1 Mini development board DS18B20/Dallas Sensor DS18B20(Dallas) sensor is a high precision sensor in a stainless steel tube that is also waterproof. The pinout is simple,…
Continue readingRecently I came across a faulty NodeMCU D1 Mini. The LED on the ESP8266 stays on and my computer is going crazy. The solution I found is to force it…
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