Description
Product Name: 5pcs 4 Buttons key Switch Keyboard Matrix Board for Arduiuo MEGA2560 Raspberry pi PCB PLC
Packing list:5 PCS 4xkey push button switch module,
Description:
Can be inserted directly into Arduiuo uno mega2560 due Leonardo ZERO,Ideal for linking up to your Arduiuo DUE UNO Pro Mini Nano Mega2560 Breadboard raspberry pi banana pi etc,or others MCU PLD CPU ( AVR STM32 ARM PIC C51 Zigbee NRF24LE1 CC2530 MSP430 STM8 FPGA CPLD etc.)
TB371: Male needle 4 button
1 4-button Common Cathode botton board(When pressed button, output low level).
2 '' GND K1 K2 K3 K4'' 4 PIN OUT 2.54mm Pin Header
3 Working voltage: DC 0-48V(Can be DC 1.8V 2.5V 3.3V 5V 12V 24V 36V 48V)
4 Size: 12.5MM x 33.2MM.
TB372:Female Pin Header 4 Button key
Description:
Can be inserted directly into raspberry pi FPGA CPLD ARM AVR Development Board
,Ideal for linking up to your raspberry pi AVR STM32 RM PIC AT89C51 STC MSP430 STM8 XILINX ALTERA FPGA CPLD etc.
1 4-button Common Cathode key module .
2 '' GND K1 K2 K3 K4'' 4 2.54mm Female Pin Header
3 Size: 12.7MM x 33MM.
TB373: No needle
Description:
Ideal for linking up to your raspberry pi AVR STM32 RM PIC AT89C51 STC MSP430 STM8 STM32 XILINX ALTERA FPGA CPLD etc.
1 4-button Common Cathode key module .
2 '' GND K1 K2 K3 K4'' 4 2.54mm Pads (Can be welded: Wires/Male Pin Header/Female Pin Header)
3 Size: 12.7MM x 33MM.
Circuit schematics :
Specifications
Material
PCB
Origin
Mainland China
Numbers
4 key
Output Level
Low level(0)