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Mike G

Electronics Engineering Technologist. Long time Linux user.

Finland

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This user joined on 11/28/2019.

My Projects

Experiences building Sergey Kiselev's Z80 based Zeta SBC V2 SBC about 10 years after V2 was released.

Building a Z80 Zeta SBC v2 in 2026

Figure out how to reliably control a Holtek HT9290A or HT9290B "One-Key DTMF dialer" with a microcontroller, buspirate, etc.

Control a obsolete Holtek HT9290A/B DTMF dialer

Uses the TXS0108E bidirectional level voltage translator to convert the 40 PIN GPIO interface common on Terasic dev boards to 5V TTL.

Terasic GPIO Logic level converter

Projects I Like & Follow

Homebrew Motorola 68k single-board computers running mainline Linux

Mackerel-68k Linux SBCs

colin-maykish Colin Maykish

Supplyframe DesignLab: 2023 Hackada…

An Arduino UNO Compatible Board with isolated Glowing headers and some Extras

Uno Plus+

john-loeffler John Loeffler

Supplyframe DesignLab: 2023 Hackada…

EPROM programmer too expensive? This isn't!

Relatively Universal ROM Programmer

anders-nielsen Anders Nielsen

This is a more advanced, version of the original program. It changes the spectrometer from educational 'toy' to serious instrument!

Py Spectrometer 2!

An eZ80 CPU Module that works within the RC2014 ecosystem and other similar backplanes

eZ80 CPU for RC2014 and other backplanes

dean-netherton Dean Netherton

An analog computer for solving sets of Lorenz attractor differential equations

Analog Lorenz Attractor Computer

A HomeBrew Intel 80286 computer with ISA ports

Intel 80286 HomeBrew Computer

dominic-emond-belanger Dominic Emond-Belanger

This is my 6809 Homebrew Computer

HB6809 Homebrew computer

dave-collins Dave Collins

- a 6x09 based retro computer

µLind (micro-lind)

eric-lind Eric Lind

How to make a Geophone sensor yourself for free from parts that can be found in any workshop.

DIY Extremly Sensitive and cheap Geophone sensor

mircemk mircemk

Measure Earth’s rotation using two MEMS gyros, a Pi Pico, and smart signal processing—precision within 2% of the true value!

Measuring Earth’s Rotation with Gyros

bertrand-selva Bertrand Selva

Simple to build Mini Tesla coil with relatively low consumption, and surprisingly good results.

Single Mosfet Mini SSTC Tesla coil with 10 + cm

mircemk mircemk

Handheld cyberdeck running entirely on Lisp

LispDeck

To facilitate debugging at a low hardware level I made this adapter that turns a STM32F407ZGT6 development board into a Z80 ICE.

Z80 ICE

jacques-pelletier Jacques Pelletier

A set of symbols, footprints and 3d models of the basic components from JLCPCBs smt assembly

JLCPCB Kicad Library

A RomWBW capable Z80 mezzanine board operating at 3.3V for EPM240 development board

3V Z80 Mezzanine for EPM240 Dev Board

8bit game console from an alternate reality

Project RAD

A deep dive into 8 bit architecture with the Z80.

A Z80 Journey

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Bits

Patrick Van Oosterwijck wrote 06/10/2020 at 21:27

Thanks for your interest in my #wESP32: Wired ESP32 with Ethernet and PoE project!

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