AT89S52 Arduino programmer. Fast, and simple to use.

Sudoffle: a daily Sudoku puzzle, with a twist.

VCCC24 My 'Snake' wild competition entry

Flashing code to the octagonal star LED kit

Ferris Wheel Kit (colourful rotating LEDs)

Different patterns on the 57-LED hourglass kits, and how to alter the clock speed

Ripmax Trainer test flight

Hourglass LED kit. Code to use as an actual timer, for (e.g.) boiling eggs.

Read Atmel AT89C2051 or AT89C4051 Flash using Arduino

Allan's Bixler3. Onboard video of flight.

Commander X16 Sliding block puzzle games

Sliding block puzzles for my picocomputer RP6502

Analog to digital PIC12F675

PIC12F675 Assembly, with TM1638 display.

AT89C2051 clock kits. Firmware and source code for three-button variety.

Octagonal Star LED kit. Now with better tunes and LED patterns. Finished, for now...

Octagonal star kit. Work in progress.

Color LED Octagonal Star Kit

Yamaha DSR-2000 keyboard in 2023

LEGO Mindstorms NXT Mindcuber, solving Rubik cube.

Rolling ball divert gate separator

Arduino sbus to ppm 12 channel

Cursor jumping bug of arduino-ide 2.0.0 under Linux Mint 21 Cinnamon

Read AT89C2051 using Arduino (Nano, Uno, etc.)

Arduino Uno composite video output. 2400 baud dumb terminal.

Battery tester demo including calibration procedure.

Using Arduino as ISP to program AT89S52

Rotating LED Electronic Clock Kit EC1204B. Now with music!

Radio control (four channel proportional) using two Arduinos with nRF24L01+modules .

Carrier Wave transmission test of the LGT8F RF-NANO