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The Pi Supply Octopus ADkeyboard uses an analog input to read the five key state which saves IO resource for the Arduino. It can be used together with our I/O expansion boards to make amazing interactive projects.

What are Octopus Electronic Bricks?

Pi Supply Octopus Electronic Bricks can be used to build electronics projects just as easy as piling bricks. You can also connect Arduino compatible boards easily with various digital, analog and I2C/Uart interfaces. The breadboardless connections let you connect expansion modules like potentiometers, sensors, relays, servos, buttons in a plug and play way.


  • Supply voltage: voltage controller
  • Interface: Analog
  • Size: 55x29mm

What’s Included

  • 1 x ADKeypad
  • 1 x Analog Sensor Cable