description 1.4-button Common Cathode key module . 2 " GND K1 K2 K3 K4" 4 PIN OUT 2.54m 3.Ideal for linking up to your Ardiuno UNO Mini Nano Mega2560 etc, or others MCU ( AVR STM32 ARM7 ARM9 ARM10 PIC AT89C51 STC MSP430 FPGA CPLD etc.) Package:2pcs
Trustpilot
4 days ago
1 week ago