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Keypad pin 4 to Arduino digital 8 //R4; Keypad pin 5 to Arduino digital 4 //C3; Keypad pin 6 to Arduino digital 7 //R3; Keypad pin 7 to Arduino digital 6 //R2; Since keypads are available from many ...
So, [Max] created an Arduino rig to do the same thing. The Arduino uses a shift register to interact with the keyboard’s 8×10 matrix, and the sketch translates any serial data it receives into ...
This Arduino BASIC interpreter will make a really fun one-day project if you’ve already got the parts on hand. [Usmar A. Padow] put together an Arduino Uno, SD card, four line character LCD, … ...
Create a Keypad Lock. Put Arduino to work protecting your secrets. This project is a keypad-controlled lock that will allow the user to select a six-digit secret code and lock out anyone without it.