Product Name: 4 key MCU keyboard push button switch Matrix for MEGA2560 DUE banana pi Breadboard FPGA CPLD STM32
Packing list:
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.
 
?DON'T MISS OUT:TB371*2 2pcs 4 key MCU keyboard push button switch Matrix for MEGA2560 DUE raspberry pi banana pi Breadboard FPGA CPLD STM32
PRODUCT PROPERTY:? 1: Our product is made in cn(origin).
PRODUCT DESCRIPTION:Button common cathode key module( when pressed output low level) .
REASONS TO BUY:? Power supply: the power supply is powered by a usb port, which can be used to charge your computer or other devices.
? Small small size: small size, easy to carry, does not take up too much space, and can be placed in a pocket or backpack.
? Great fit: this keyboard push button switch is designed to fit perfectly on your pc, laptop, and other devices with the same size.
? Can be inserted directly into arduiuo uno mega2560 due,ideal for linking up to yourarduiuo uno mini nano mega2560 breadboard raspberry pibanana pietc,or others mcu pld cpu ( avr stm32 arm pic c51 nrf24le1 cc2530 msp430 stm8 fpga cpld etc.).
? Initialize the keys pin as an input.
WARM TIPS:Attention:
Packing list( does not include uno r3 ):.
INSTALLATION & USE TUTORIA:Int buttonstate = 0, // variable for reading the pushbutton status the setup routine runs once when you press reset:.
RELATED INFO:? Switch caps: the switch cap has a built-in led light indicator that lets you know when the switch is on.