ceptimus

MCS-BASIC-52 V1.31 running on AT89S52 using my Python serial terminal

Four digit, two button, clock kit firmware.

Clock kit analog/button tester for @paulandrusyszyn9177

Using CadQuery to design a 3D-printable Etch A Sketch knob. Good alternative to OpenSCAD.

How to upgrade 60-LED clock kit with new firmware

60-LED Clock Kit. New firmware with calendar, and going rate correction.

60 LED clock kit. Standard firmware bugs.

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