Keyes Magnetic Detect Switch for Arduino (Works with Official Arduino Boards)
Model Keyes Quantity 1 Color BlackBlueRed Material PCB Features Magnetic detect Application For Arduiion DIY project Other AO + DO two output; 3mm mounting screw holes; Working voltage: DC 3~5V; LED indicator; 16mA comparator output capacity Packing List 1 x Magnetic detect switch