mengstr

KCSviewer

Kansas City Standard tape decoder/viewer made with discrete transistors

esppic

A stand-alone Microchip PIC programmer implemented on a ESP8266

Discrete-AY-3-8910

AY-3-8910 made out of discrete 74-series logic ICs

Rom2k40

EPROM emulator based on RP2040

ICs-for-circuitjs

74-series logic ICs for the circuitjs simulator

SUBLEQ24

74-series IC build of a SUBLEQ computer

PCIeTestPCB

A test PCB having a dual PCIe-36 connector and card edge connectors.

PDP8-N

Ruler

Draft for Hole & Font Size Ruler

24BitHexDecoder

afterburner

GAL chip programmer for Arduino

AppleII-VGA100

PCB for

ch32v003fun

My tests for the CH32V003, a 10 cent 48 MHz RISC-V Microcontroller

cryco

Golang package for keeping config/settings files encrypted

Digital

A digital logic designer and circuit simulator.

Discrete-CHIP-8

A discrete implementation of the CHIP-8 interpreter

HexxDisps

Small 2 digit hex display drivers

IndicatorX

Small LED/Resistor PCBs

JLCPCB-to-Europe-Delivery-Times

Keeps track of the actual delivery times from JLCPCB using the cheap & slow shipping option

KIMCHI

KIM-1 Emulator using the 10 cent CH32V003 microcontroller

MCPU

MCPU - A Minimal 8Bit CPU in a 32 Macrocell CPLD

mengstr.github.io

PerspiC1

Fork of the PerspiC1 Subversion repo with added images of schematics

postmord

A simple Go wrapper for the PostNord API

ProtoWW

SA10-schematics

SLEQASM

Macro assembler for SUBLEQ

SUBASIC

Tiny Basic written in SUBLEQ assembly

tikk

CH32V003-based 1Hz->8MHz clock generator with reset for breadboards

TinyTapeout1

Playground/Tests for TinyTapeout