The WiFi Relay Shield is an Arduino compatible module that provides an easy way to control high voltage loads thanks to 4 independent channels equipped with photo-coupled mechanical relays ...

リレーシールドは、ArduinoのデジタルI/Oピンでは電流と電圧の制限により制御できない高電流デバイスを制御するための ...

A relay is a device used to respond to an input signal and provide a connection between two or more devices. It can be used to control AC-powered devices, such as lights, fans, or other household ...

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 ...

I just received my RC522 RFID reader and made this simple Arduino access control system that uses the reader, a buzzer for the alarm and a relay shield for the security system. The relay can be used ...

Electronics enthusiasts looking to control any normal outlet or high-voltage product from anywhere may be interested in the new Relay Shield for Photon, which is now available to purchase directly ...