note

【初心者OK】Arduino×リレーモジュール配線図と安全対策｜NO/NC ...

注意点 電源：リレーが消費する電流に注意してください。必要に応じてArduinoよりも高い電源をリレーモジュールに供給することが必要です。 電気的ノイズ：リレーを使用する際には、電気的ノイズやスパークが発生することがあります。適切なスナバーやフィルターを使うことでこれを抑制 ...
GitHub

ElectroIoT/Advanced-4-Channel-5V-Relay-Module-with-Onboard-LM2596-Power-Supply

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 ...
GitHub

2-Channel Relay based on XIAO ESP32C3

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, ...
CNX Software

Industrial 6-Channel RP2350 relay module offers RS485 interface, Raspberry Pi Pico HAT support

Waveshare RP2350-Relay-6CH is a Raspberry Pi RP2350-based industrial 6-channel relay module with an isolated RS485 interface, 7 to 36V DC input via a terminal block, and support for Raspberry Pi Pico ...
EDN

Modbus RTU Relay Module

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 ...