Smart Keypad Board


Smart Keypad Board helps us to interface 4×3 and 4×4 membrane button keypads with the systems where there is a shortage of GPIO pins to interface these keypads. This board has ATmega328p micro-controller which takes the input from the Keypad, interprets which key is pressed on the keypad and sends it through UART and I2C protocols.


  • Operating voltage: 5V
  • Size: 50mm x 27mm


Manual contains all required information for interfacing along with example codes.


  • None

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