Discover @mengstr Open Source projects

Mats Engstrom (@mengstr)

mengstr

Stars
351
Global Rank 78,419 (Top 3 %)
Followers 98
Following 39
Registered over 14 years ago
Most used languages

C
39.1 %

Assembly
13.0 %

Eagle 6.5 %

Makefile 6.5 %

Shell
6.5 %

Visual Basic 4.3 %

JavaScript
4.3 %

Arduino 4.3 %

C++
4.3 %

HTML
2.2 %

Verilog 2.2 %

Prolog
2.2 %

Go
2.2 %

AGS Script 2.2 %
Location 🇸🇪 Sweden
Country Total Rank 853
Country Ranking

AGS Script 5

Eagle 5

Visual Basic 8

Prolog
11

Assembly
23

Arduino 26

Makefile 26

Verilog 26

C
79

Go
270

C++
293

HTML
302

Shell
643

JavaScript
1,008

cpm8266

Z80-CP/M2.2 emulation on ESP8266 NONOS SDK + the NoSDK from cnlohr

KCSviewer

Kansas City Standard tape decoder/viewer made with discrete transistors

esppic

A stand-alone Microchip PIC programmer implemented on a ESP8266

xmodem80

Xmodem for CP/M Z80 for CON:

Discrete-AY-3-8910

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

ladder

A reimplementation in golang of the 1982 game Ladder by Yahoo Software

pdp8emu

PDP8 emulator running in console. Based on Douglas W. Jones code from 1995

Rom2k40

EPROM emulator based on RP2040

aytabtu

[All Your Transistors Are Belong to Us] - A computer built from transistors

PDP8-X

PDP-8/X - The PDP that newer was, but might become

KimCard

AVR XMEGA based credit card sized KIM-1 6502 simulator

Gorgon

A defender clone for ZX Spectrum

NanoUtils

Small utility / breakout PCBs

Spypow

Monitor USB power consumption on six LEDs

MCC8

PCB with PIC24-based Chip-8 emulator

DimBlue

16 Channel USB & Bluetooth controllable light dimmer

sed80

Screen EDitor for Z80 CP/M

4bittube

ESP8266 NONOS SDK code to drive cheap 4-digit LED displays

PlingPlong

Two octave touch keyboard with four channel polyphonic synth

TraId

mxe11

Run UNIX on a microcontroller

Ringo3

MudahSMD

Easy and simple projects for learning to solder SMD parts

OSUS

Tester for Open Source USB Stacks

TTL640x480

Low chip count 74xx-logic generating a proper 640x480 VGA sync/blanking signals

PDP8-Verilog

B52

Hardware and a game for the early 80's Z8671 MCU with built-in BASIC

pt8exam

Examine contents of a PDP-8 paper tape

HSKLtag

Nametag with LEDs controlled by PIC10F202

ICs-for-circuitjs

74-series logic ICs for the circuitjs simulator

pdp8-tape2bin

Converts PDP8 tape-files into plain binary files

DigiPot

Digital potentiometer with 7-segment readout

wwc-tdd-meetup

My code from the TDD meetup held by Women Who Code in Kuala Lumpur

TB8

Tiny Basic for PDP8 - WIP

QuarterK

QuarterK Arduino 16x16 matrix led shield

espbtc

Display current BTC exchange rate on a LED display using ESP8266 NONOS SDK

HIZ

PCB and code for Human/Infected/Zombie game

Butter

5-in-1 game with LEDs and Arduino

Tetradeca

A game for the Hackaday.io 1KB competition

LeDominoux

An SMD version of the Le Dominoux flashing toy from the #555contest

KhamsaShield

A 5x5 cm Arduino proto shield

tb8udp

Send stdin line-by-line slowly over udp

Tjipp8

Chip-8 game console with PAL TV-out using PIC16F17xx

JavaCardDev

Scripts and setup for a JavaCard 2.2.1 & JDK 1.3

Clock72a

Small 72 SMD LED charlieplexed clock

MilleniumLander

Lunar Lander style game on PIC16 for the Hackaday 1kB competition

XSNOR

Discrete transistor based calculator

BoomChak

16 step sequencer/sampler - Eagle PCB & AVR code

Curious-C

Eagle PCB files for The Curious C-Beeper - Capacitance tester

chkoverlap

Check for overlaps in data/code areas in PDP8 .rim and .bin files

Mined-Out

Source of the original Mined Out game for Spectrum from 1983

BEEPoo

Standalone AY3-8912 sound player with ATMEGA32U4 and LCD display

palreport

Lists sizes of the functions in a listing file from Palbart (PDP-8)

KeyFob

Eagle files for the HSKL key fob.

PDP8

Website for my PDP-8 related repos - https://smallroomlabs.github.io/PDP8/

DemoPCB

A 5x5cm PCB with different sized silk texts & drill holes and some SMD footprints

palbart

Palbart - PDP-8 assembler

2MCUVGA

Generation of VGA Sync and Memory signals using two AVR Microcotrollers

SockBlaster

Console/ncurses based TCP packet blaster for testing TCP servers

HoverHeist

(in-progress) Atari 2600 platform jumper game

Tetris

A game for the Verifone Vx 680 Terminals

Eagle

Eagle configs and libraries

PCIeTestPCB

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