4×3 Matrix Membrane Switch Keypad Arduino Parallel charging Board for 6 packs 2~6S 3V and 5V logic levels

3V and 5V logic levels for maximum microcontroller flexibility

and delicate work

or product information

Smart device interfaces

How the MQ-135 Works

4×3 Matrix Membrane Switch Keypad Arduino Parallel charging Board for 6 packs 2~6S 3V and 5V logic levels4x3 Matrix Membrane Switch Keypad Arduino Quality electronics from The Engineer Store, Bengaluru. Fast shipping, 7 day warranty on manufacturing defects, expert support. Product Overview The 4x3 Matrix Membrane Switch Keypad is an essential input device for Arduino and microcontroller projects. This 12 button keypad features a reliable membrane switch design, making it ideal for creating custom control interfaces, security systems, calculators, and