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 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 ...

Automation Systems Interconnect, Inc. (ASI) introduces of the highest density DIN rail mounted multi-channel relay line available. The new space saving CR series relays are available in densities as ...

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 ...

In electronic and industrial automation systems, relay modules play a crucial role by allowing low-power control signals to switch high-power devices. Selecting between a 5V relay module and a 12V ...

The rails typically reside in enclosures and hold controls for managing factories, buildings, and machines. As the space inside controls cabinets has become more dear, manufacturers have found ways to ...

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 ...

Remove D2 from relay main board Remove C5 from relay main board Connect FT231X K3 pin 2 (or K2 pin 4) to R4 on relay main board Connect FT231X K3 pin 3 (or K2 pin 5) to R3 on relay main board Connect ...

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 ...