Walfront 4 Key Keyboard Module Universal 4 Key Push Button Switch Module Keyboard Board for DIY Accessory Kit

Product description Walfront 4 Key Keyboard Module Universal 4 Key Push Button Switch Module Keyboard Board for DIY Accessory Kit MAIN USAGE---The 4 key keyboard module can be inserted directly into due, Ideal for linking up to your Breadboard banana pi etc, or others MCU PLD CPU ( AVR STM32 ARM PIC C51 NRF24LE1 CC2530 MSP430 STM8 FPGA CPLD etc. ) SUITABLE FOR---The delay relay module is suitable for auto modification, motor control, bulb, LED light string, micro pump, solenoid valve 4-BUTTON KEY MODULE---This is a 4-button common cathode key module (When pressed output low level)
Features: brand new and Can be inserted directly into due, Ideal for linking up to your Breadboard banana pi etc, or others MCU PLD CPU ( AVR STM32 ARM PIC C51 NRF24LE1 CC2530 MSP430 STM8 FPGA CPLD etc. ) 4-button Common Cathode key module (When pressed output low level). GND K1 K2 K3 K4" 4 PIN OUT 2.54 mm Adopted of electronic components, and preciseness process, ensure for the durability
Specification: Working
voltage: DC 0-48V GND K1 K2 K3 K4" 4 PIN OUT 2.54 mm
Size: 12.7 ×33mm/ 0.5 × 1.3 in
Weight: Approx. 3g/ 0.1 oz
Package list: 1 × 4 Button Key Module