5 Pcs 4 Button Key Module Universal 4 Key Push Button Switch Module Keyboard Board for PIC PLC ARM FPGA CPLD

Feature: 1. High Performance: This 4 button key module uses premium electronic components and precise craftsmanship, stable in performance, ensuring durability. 2. Widely Used: The 4 key keyboard module can be directly inserted into the appropriate position, suitable for connecting to your mini breadboard, fit for Raspi, etc. MCU PLD CPU (AVR, fit for STM32 fit for ARM, PIC, C51, fit for NRF24LE1, fit for CC2530, fit for MSP430, fit for STM8, FPGA CPLD, etc.) 3. Common Cathode Key Module: This module adopts 4 button common cathode key (when pressed output low level). GND K1 K2 K3 K4 4 pin output 2.54mm. 4. Versatile Use: The 4 key push button switch module is suitable for various applications, simple install and use, convenient and practical. 5. Premium Material: The 4 key keyboard module is made of premium PCB and pure copper materials, ensuring long lasting reliable performance. Specification: Item Type: 4 Button Key Module Material: PCB, Copper Description: Can be directly inserted into the appropriate position, can connect to your mini breadboard fit for RasPi, etc., or other microcontrollers (PLC, AVR, fit for STM32 fit for ARM, PIC, fit for AT89C51, fit for MSP430, fit for STM8, fit for Xilinx, fit for Altera, FPGA CPLD, etc.). 1. 4 key common cathode key module 2. GND K1 K2 K3 K4 4 pin output 2.54mm 3. Size: Approx. 12.7 x 33mm 0.5 x 1.3in. Package List: 5 x 4 Button Key Module Note: