5pcs KY-025 4pin Magnetic Dry Reed Pipe Switch Magnetron Sensor Switch Module Geekcreit for Arduino - products that work

Applications This module can be apply in Program controlled switches copiers washing machines refrigerators cameras Disinfection cabinet door window magnetic electromagnetic relays electronic weighing level meter gas meter water meter and so on Specificatons working voltage 3 3V 5Voutput format digital switching output 0 and 1 PCB size 3 2cm x 1 4cusing a wide voltage LM393 comparatorclean good waveform driving ability more than 15mA a fixed bolt holes for easy installation Package Included 5 x KY 025 4pin Reed Module