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 ...
マイナビニュース

Groveセンサーをはんだ付け不要で接続できるラズパイ/Arduino用キット

サンワダイレクトは21日、Groveシステムのセンサーを接続できるセンサーキットセット「Raspberry Pi用センサーキット GrovePi+ 800-RPSET1」と「Arduino用センサーキット Grove 800-RPSET2」を発売した。「サンワダイレクト」での直販価格(税別)は9,074円から。 「800-RPSET1 ...
GitHub

A complete IoT solution for controlling an 8-channel relay module using an Arduino Uno ...

Normal: Manual control of each relay All ON: Activate all relays All OFF: Deactivate all relays Alternating: Alternate between odd and even relays Sequential: Activate one relay at a time in sequence ...
EDN

Sound Activated Switch

I have already made some devices using SeeedStudio’s Seeeduino Nano microcontroller boards and Grove Sensors. In this post I am going to show you how to make a simple sound activated electronic switch ...