(keypad: columns and rows switching) So now you can see how the button presses can be translated into electrical data for use with a microcontroller. We can now start the real experiment with as ...

[Sam] had to map out the keypad and solder leads connecting the various contact points of the phone’s PCB to the Arduino’s digital pins.

The phone consists of an Arduino Pro Mini, a MP3/WAV trigger, and the phone itself, of which the earpiece and keypad have been reused. [Sam] had to map out the keypad and solder leads connecting ...

The tiny open source 2% mechanical keyboard/keypad is equipped with two reprogrammable keys that can be used with macros or setup is dedicated shortcut keys. ANAVI Macro Pad 2 is the perfect fit ...

The ANAVI Macro Pad 8 is an open source, mini 8-key programmable keypad. Each key can be reprogrammed to activate a macro or even a dedicated shortcut, ...

No soldering is required, for one thing. I like solder in theory, but in practice it always freaks me out. What if I get molten metal on me. So that’s one barrier removed.

Arduino’s Plug and Make Kit lets your hacking imagination run wild, sans solder Daisy-chain tiny boards into weather stations, game controllers, and way more. Kevin Purdy – Jul 12, 2024 8:56 ...