The 2-Channel Wi-Fi AC Relay Module is a smart device from Seeed Studio designed to control AC-powered appliances wirelessly. Its dual-channel configuration supports independent control of two loads, ...

This repository contains the PCB design files, schematic, and 3D model image for a 4-channel relay board based on the ESP32-WROOM-32 module. The board is designed for controlling various electronic ...

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 ...

Seeed Studio has recently launched a 2-channel Wi-Fi AC relay built around the XIAO ESP32C3 WiFI and Bluetooth module. The device is a simple WiFi relay module that can control two independent ...

Automation Systems Interconnect, Inc. (ASI) introduces of the highest density DIN rail mounted multi-channel relay line available. Automation Systems Interconnect, Inc. (ASI) introduces of the highest ...

It is very easy to build an “SMS-controlled relay” with the help of a cheap GSM modem module and a small microcontroller board. Here, I’m using the SIM800L and Arduino Nano V3 to develop a nifty ...