Review on Keypad Membrane Keyboard Arduino Microcontroller by Doug Layman
lots of buttons without using too many I/O pins
Sturdy plastic membrane feels strong and stands up to the rigors of everyday use. The pin connection diagrams provided are accurate (I used the Arduino schematic provided on the Amazon product page). Easy installation, quality results. The glue seems strong, although I haven't used it long enough to know how long it will last, it seems strong enough to last and stick nice and evenly to the wood surface.
- Accessories
- Not as thick as other picks
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