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gkaufman

If you can solder it, I'll play

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This user joined on 09/28/2018.

My Projects

Geoff Graham released an inexpensive video terminal design in 2014. Several others have updated the firmware. Here is an updated PC board.

ASCII Video Terminal

Projects I Like & Follow

An easy to build homebrew SBC with a 68008 CPU. Two HW options: Lite and Full. Lite allows to build a 3 ICs 68008 system running CP/M-68K.

68k-MBC: a 3 ICs 68008 homebrew computer

An easy to build homemade single board computer with a V20HL aka uPD70108H (8088 + 8080) or 80C88 CPU. CP/M-80 and CP/M-86 supported.

V20-MBC: a V20 (8088 + 8080) CPU homebrew computer

This is a Walking ATAT using 8 Servos. Great robotics project!

Motorized Walking ATAT using Servos and Arduino

You can never have too many clocks based on obsolete display technologies ...

Tiny IV-21 VFD Clock

sjm4306 sjm4306

Hackaday Prize 2020

Test any electronic component with this pocket component tester

Component Tester in a Keychain

A digital VU meter that looks and moves like an analog needle with mass and spring oscillations

Digital VU Meter with Analog Physics

sjm4306 sjm4306

Multi-emulation color stand-alone RS232 video terminal with sounds using an ESP32 and the FabGL library.

uTerm2-S: a multi-emulation color RS232 terminal

A version of the classic arcade game Asteroids using a laser projector running on the ESP32.

Laser Projected Asteroids on the ESP32

Chris G Chris G

Supplyframe DesignLab: 2022 Hackada…

This tiny box can measure air temperature, humidity and pressure but also much more like CO, eCO2, NO2, NH3 and dust concentrations

Solar Powered Air Quality Monitoring Station (IoT)

Some months ago I found a "forgotten" Z8 BASIC/DEBUG (Z8671 aka Z0867108) MCU, so I decided to give it a new "home" (a board...)

RC-Z8BASIC: a Z8 BASIC/DEBUG homebrew computer

FFT spectrum analyzer is an test equipment that uses Fourier analysis and digital signal processing techniques to provide spectrum analysis.

DIY FFT Audio Spectrum Analyzer

mircemk mircemk

ASCII terminal supporting VGA 640x480 with 256 colors and USB keyboard

Color ASCII Terminal

A VT100-like RS232 terminal

uTerm-S

I'm lazy and dont like to convert values in my head while programming or use windows calculator so I made a standalone widget!

Programmer's HBD Converter (Hex, Binary, Decimal)

sjm4306 sjm4306

A replica of the OSI 300 from Ohio Scientific: a 6502 trainer from 1977 with 128 bytes of RAM and binary switch programming

OSI 300 Replica

With BASIC interpreter, BASIC compiler, Z8 assembler and monitor. A restoration project.

ARCbus Z8 BASIC Microcontroller Boards

Hackaday Prize 2020

The successor of Scrumpel 7c on one Eurocard PCB

Scrumpel 7d Z8S180 SBC

An ongoing project incorporating linear snap action and rigid chain mechanisms.

Snake In A Basket

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