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6segment-board

6segment-board-reloaded

7segment-board

8042-board

Kicad schematics for 8042 MCU board

8042-clock

Firmware for 8042 microcontroller based clock

8042-metronome

Firmware for a digital metronome using the 8042 chip

8048-board

Kicad schematics for 8048 MCU board

8048-pwmctl

8048 pulse width controller for LED array

8051-board

Kicad schematics for a reference design using the original 8051

8051-tuner

3-octave tone generator using an 8051 MCU

89c52-board

Clock board for STC89C52 designed to mate with my 6 and 7 segment display board designs

89c52-clock

89C52 based digital clock

beckman-clock

Firmware for 8048 microcontroller driving a Beckman neon display clock

breakout-board-panels

Breakout boards for various SMD parts in < 100x100 mm panels for cheap fabrication

codeblocks-wizard-pdk

Wizard directory for Padauk projects using SDCC for the code::blocks IDE

codeblocks-wizard-stm8

Wizard directory for stm8 projects using SDCC for the code::blocks IDE

dramarduino

Tester for 4164 and 41256 DRAM chips using an Arduino Nano

emu8051

8051/8052 emulator with curses-based UI

gcc-ia16-flatpak

sources to build a flatpak for the gcc-ia16 GNU C compiler for the 16-bit x86 architecture

inchdigits

4 digits of 1 inch 7 segment displays on a 100x100 mm PCB

inchdigits-compact

1 inch tall 4 digit 7 segment display driven by TM1637 - compact version

ircon-clock

STM8 clock firmware for IRCON themometer nixies

irreproducible-clock

Firmware for STM8 to drive a peculiar display

kibom-configs

A collection of KiBoM configuration files for various PCB assembly houses

kicad6cfgchk

kicad_freerouting-plugin

KiCad FreeRouting.jar round trip invoker

modularnixie

An inexpensive modular cascadable driver board for nixies

picolibc

picolibc - a C library designed for embedded 32- and 64- bit systems.

qx-mini51

QX-mini51 sample programs

qx-mini51-sdcc

QX-mini51 sample programs for SDCC