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

KWD 3

All electronics ship with US style plugs. You may need a voltage converter or a plug adapter.

2.54MM PIN OUT---The 4 key keyboard module is of GND K1 K2 K3 K4" 4 PIN OUT 2.54mm
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)
MAIN USAGE---The 4 key keyboard module can be inserted directly into u/no mega2560 due,Ideal for linking up to your U/NO Mini Nano Mega2560 Breadboard raspberry pi banana pi etc,or others MCU PLD CPU ( AVR STM32 ARM PIC C51 NRF24LE1 CC2530 MSP430 STM8 FPGA CPLD etc.)
DURABILITY ENSURING---Adopting high quality electronic components, and preciseness process, the 4 key keyboard module is of long serving time, with good durability

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