At this point you’ve almost certainly seen one of these low-cost portable soldering irons, perhaps best exemplified by the TS100, a pocket-sized temperature controlled iron that can be had fo… ...

(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 ...

If you want to add a keypad to your Arduino project, the options are pretty limited. There’s that red and blue 4×4 membrane we’ve all seen in password-protected door lock projects,… ...

Pins to solder to and how to change them: Solder your positive pins to 5 and 15 (or what they are defined to in the code) and the negative pins to any of the GND pins. When doing to ensure that none ...

Code Functionality Keypad Input: The code reads the input from a 4x4 keypad matrix. Keyboard Emulation: Based on the pressed key, the Arduino sends corresponding keystrokes to the computer. Keystroke ...

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, ...