note

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

Arduinoとリレーを組み合わせて使用することで、Arduinoのデジタル出力を使って高電圧や大電流を扱う機器をコントロールできます。リレーは基本的に電気的に操作されるスイッチで、小さな電流で大きな負荷をオン・オフすることができます。これは特に家庭用電器やモーターなど、Arduinoの出力 ...
GitHub

RelayModule Library for Arduino

O. What is RelayModule Library? If I use it, how easier life will be ? If you have made some Arduino project with Relay Modules, you probably wrote some scattered code for relays. Scattered Code ...
circuitdigest.com

Understanding How a Single Channel Relay Module Works and How to Use it with Arduino to ...

IN - This pin is also called the control pin because it is used to control the output of the relay. COM - is connected to the device you intend to connect. NC - terminal is connected to the COM ...
note

M5Stackでリレーモジュールを試す

全てのリレーをオン状態にするテストはできていない MCUで信号をLowにするとリレーがオンになる LowとHighの扱いは、プログラムでどうにでもなると思っていたが、プログラム開始時にピンがLowになってしまい、意図せずリレーがオンになってしまうことが ...
GitHub

Anti-Sleep Alarm for Drivers using Arduino Nano and Relay Module

This project demonstrates how to create an anti-sleep alarm system for drivers using an Arduino Nano and a Relay Module. The system detects signs of drowsiness or fatigue in the driver and triggers an ...
elektormagazine

Smartphone-Controlled Arduino Projects: Use Bluetooth and Wi-Fi for Wireless Communication

Looking for practical Arduino projects? This guide shows how to control a relay from your smartphone using an Arduino Uno — either via Bluetooth or Wi-Fi with an ESP8266 ESP-01 module. With ...
EDN

Wi-Fi Relay Module v4

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 ...