Arduino sketch to demonstrate four HP HMDL2416 LED displays

Schematic and PCB design in KiCad for LED display in the style of a dekatron

Arduino code for the long-lost Pisan-O-Matic musical bicycle wheels.

Blink an LED on the very small Microchip PIC10F322

Arduino sketch to demonstrate the Decca DME display

Arduino sketch to test the VK16K33 I2C LED display module

Arduino sketch to display the time in hex

Arduino sketch to display characters on an HMDL2416 16-segment LED display.

Arduino sketch to demo the KYX-1514AYG LED fan light display

Generate vector-scan images on an oscilloscope using the ATSAME51 ARM microcontroller

LED blinking firmware for SAM E51 ARM microcontroller on Igloo64 prototyping PCB

Generate RGB video (625-line) on-the-fly from an ATSAME51 ARM microcontroller

The 90s called and they want my personal website back.

Dummy repository to get started with

Arduino sketch to test a 10-digit 16-segment LCD with a TM1622 controller chip

Some Arduino sketches to drive an eight-digit seven-segment LED display using the MAX7219 chip.

Arduino sketch to drive four MAX7219 chips with 8x8 pixel LED displays. Makes a simple animated test pattern on the 16x16 matrix.

Vector graphics software to generate HPGL output to drive a plotter

Rudimentary setup and main loop code for blinking LEDs on a SAMD21

Various MPLAB X projects exploring the PIC32's Parallel Master Port (PMP). Runs on PIC32MX250F256L and/or similar 100-pin PIC32s.

Rudimentary setup and main loop code for blinking five LEDs on a PIC32MX550F256L. Should also work on other PIC32MX chips with similar peripherals, e.g. PIC32MX250F256L.

Direct Digital Synthesis via an MCP4822 SPI DAC on a PIC32MX550F256L. Should also work on other PIC32MX chips with similar peripherals, e.g. PIC32MX250F256L.

Rudimentary setup and main loop code for blinking LEDs on a PIC32MX250F256L

Tone generation via PWM on a PIC32MX550F256L. Should also work on other PIC32MX chips with similar peripherals, e.g. PIC32MX250F256L.

PCB design using KiCad for a 64-pin TQFP breadboard vaguely shaped like an igloo

Arduino sketch to show a timer on a 16x16 grid of LED pixels.

Arduino sketch to drive RGB LEDs arranged in an isometric grid pattern

PCB design using KiCad for a 48-pin DIL breadboard in the shape of a hexagon

6502/6809 microcomputer in octagonal format

Simple lexical analyser and parser