KY-025 Datasheet | Joy-IT

KY-025 Reed module KY-025 Reed module Contents 1 Picture ................................................................................................................................................................. 1 2 Technical data / Short description ....................................................................................................................... 1 3 Pinout ................................................................................................................................................................... 2 4 Functionality of the sensor .................................................................................................................................. 3 5 Code example Arduino ......................................................................................................................................... 4 6 Code example Raspberry Pi ................................................................................................................................. 5 Picture Technical data / Short description If a magnetic field was detected, it will be shown at the digital output. Export: 16.06.2017 Copyright by Joy-IT - Published under CC BY-NC-SA 3.0 Page 111 of 214 KY-025 Reed module Because of that we will get an electrical connection and send the signal. Digital Out: After detecting a magnetic field, a signal will be outputted  Analog Out: Direct measurement of the sensor unit LED1: Shows that the sensor is connected with power LED2: Shows that the sensor detects a magnetic field Pinout Export: 16.06.2017 Copyright by Joy-IT - Published under CC BY-NC-SA 3.0 Page 112 of 214 KY-025 Reed module Functionality of the sensor The sensor has 3 main ponents on its circuit board. First, the sensor unit at the front of the module which measures the area physically and sends an analog signal to the second unit, the amplifier. The amplifier amplifies the signal, according to the resistant value of...