2x 4 billentyűs MCU billentyű Nyomógomb Kapcsoló Mátrix UNO MEGA2560 DUE Raspberry pi banándugó pi Kenyértábla

Description
Product Name: 2x 4 Key MCU Keyboard Push Button Switch Matrix For UNO MEGA2560 DUE Raspberry Pi Banana Pi Breadboard FPGA CPLD STM32
Packing list(Does not include UNO R3):
2 PCS 4 key push button switch,
Description:
Can be inserted directly into Arduiuo uno mega2560 due,Ideal for linking up to your Arduiuo UNO Mini Nano Mega2560 Breadboard raspberry pi banana pi etc,or others MCU PLD CPU ( AVR STM32 ARM PIC C51 NRF24LE1 CC2530 MSP430 STM8 FPGA CPLD etc.)
1 4-button Common Cathode key module(When pressed output low level).
2 '' GND K1 K2 K3 K4'' 4 PIN OUT 2.54mm
3 Working voltage: DC 0-48V
4 Size: 12.7MM x 33MM.
Specifications
Material
PCB
Origin
Mainland China