Reed Switch Module

From the shop's description

Product Description: Reed switch module – adjustable Simple module with reed switch controlled by digital or analog pin . Additionally, there is a potentiometer on the board so you can adjust the operating range. Powered by 5 V . Reed relay module Reed switch module terminals The device has a 4-pin connector. The output signal can be connected to the digital or analog input of Arduino module. Example of connection with Arduino Uno module PIN DESCRIPTION A0 Analog output signal. D0 Digital output signal. VCC . 5 V supply voltage. GND . System ground. Reed switch module specification Supply voltage: 5 V Connectors: digital and analog Built-in potentiometer Dimensions: 30 x 15 mm