Read a 4×4 Matrix Keypad
A matrix keypad is the kind of keypad you see on microwave ovens, gas pumps, and calculators. A matrix keypad … Read more
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4×4 Keypad with 7-Segment LED
The FLiP Try-it Kit comes with an exciting array of sensors and components that you can build into creative projects. Try this activity involving the 4×4 Matrix Keypad, 7-Segment LED, and piezospeaker and get visible and audible feedback to your Keypad key presses.
4×4 Keypad Wiring & Example Code
This example is specifically for the 4 x 4 Matrix Membrane Keypad (#27899) sold by Parallax. Wiring & Connections … Read more
4 x 4 Keypad
BlocklyProp reference for KEYPAD blocks For Propeller Activity Board WX, FLiP and Other board types. Not available for Badge or … Read more
The Carnival Game Megaproject
The carnival game megaproject is a series of miniature cardboard “houses”, arranged in a neighborhood, that are meant to be … Read more
Testing and Programming
The best way to program this project is in three pieces: Test the 4×4 matrix keypad alone using the example … Read more