Universal 4 Key Push Button Switch Module Keyboard Board

Features: This module has stable performance. Can be inserted directly into due,Ideal for linking up to your Mini Breadboard for banana pi etc,or others MCU PLD CPU ( AVR STM32 ARM PIC C51 NRF24LE1 CC2530 MSP430 STM8 FPGA CPLD etc.) 4 button Common Cathode key module(When pressed output low level). GND K1 K2 K3 K4 4 PIN OUT 2.54mm Adopted of electronic components, and accuracy process, ensure for the durability Specification: Working voltage: DC 0 48V GND K1 K2 K3 K4 4 PIN OUT 2.54mm Size:12.7*33mm 0.5*1.3in Weight: Approx.3g 0.1oz Package list: 1 x 4 Button Key Module .