This project is an advanced 4-channel relay module designed for home automation and IoT applications. Unlike standard relay boards, this design integrates an LM2596 buck converter for onboard ...

This design idea outlines a method to use an analogue switch and discrete components to reduce the power dissipated in relay actuation. Presented here is an MAX4624-based circuit to drive a 5V relay ...

Leveraging IoT technology enables real-time water level monitoring and remote operational control, allowing users to visualize water levels and manage operations efficiently. The NodeMCU ESP8266 will ...

Welcome to my quick review of an inexpensive 2-channel 5V relay module controlled via RS485 bus utilizing Modbus RTU protocol. As claimed by some online sellers, this easy-to-get Modbus RTU 2-Channel ...

Let me give brief intro to these RF modules before getting into the project. The term RF stands for “Radio Frequency”. A RF transceiver module will always work in a pair that is it needs a Transmitter ...