[Agp.cooper] saw a vintage 4Kx4 bit RAM chip and decided that it needed a CPU design to match. The TTL design fits on two boards and has a functional front panel. This custom CPU project has a few … ...

Posted in Misc Hacks Tagged 4-bit, computer, discrete, discrete transistors, homebrew computer ← Doing Unsafe Things With A Laser Watch Cosplaying As HAL 9000 → ...

The Virtual USB Keyboard One of the sample projects in Practical Arduino, the Virtual USB Keyboard allows you to connect the Arduino to your PC and use if for text entry, creating either a hotkey ...

The Gesture Keyboard is a device that translates gestures into letters. It’s made by an Arduino Pro Micro, an HC-06 module for Bluetooth communication, and an MPU-6050 accelerometer.