In this tutorial I will show you how to connect a relay board to a Raspberry Pi, relays are an electromagnetic switch that allows you to control a high voltage electrical circuit by opening and ...

This Node-RED flow implements a timer and battery monitor for Webasto or Eberspacher diesel heaters, allowing you to run your boat or van's heating remotely. Never freeze when you get home again! I ...

In this post we are reviewing the ESP-01 Wi-Fi Relay Module. It is one of the cheapest smart switches you can purchase currently for making smart home, internet of things, and other wireless do it ...

The concept of automation is getting popularity among people these days and many of them control their lighting, climate, etc remotely at their homes. Several microcontrollers or microprocessors can ...