4?button Common Cathode key module(When pressed output low level).Package Include 1 x 4 Button Key Module
Can be inserted directly into due,Ideal for linking up to your Mini Breadboard banana pi etc,or others MCU PLD CPU ( AVR STM32 ARM PIC C51 NRF24LE1 CC2530 MSP430 STM8 FPGA CPLD etc.)
brand new and high quality.Size:12.7*33mm/0.5*3in,Weight: Approx.3g/0.1oz,It only takes a few simple steps to complete the work.
GND K1 K2 K3 K4.stable and performance, practical, easy to operate and use, has a long service life. any questions regarding it,don't hesitate to email us, we will try our best to solve it for you as soon as possible.
Adopted of electronic components, and accuracy process, ensure for the durability.Working voltage is DC 0-48V.