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Fedor Gruzdev

Guy with a curly hair, curly beard and curly thoughts.

Russia

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This user joined on 09/16/2018.

My Projects

I build TD4 CPU and expand it (add RAM, switchable memory banks and rugged I/O)

4-bit CPU (TD4 once again)

Put Soviet ZX-80 clone back to life

"Master" restoration

Projects I Like & Follow

The 2017 Hackaday Prize

Pi Zero-based open-source mobile phone (that you can assemble for 50$ in parts)

ZeroPhone - a Raspberry Pi smartphone

The 2018 Hackaday Prize

Do you miss those old small devices in your palm? Don't be sad, you can always build your own!

SDA - The best new PDA

Hackaday Prize 2019

A microprocessor built with TTL chips. In one square inch.

1 Square Inch TTL CPU

A 1" by 1" 20msps Oscilloscope based on the PIC32MZ

1 Square Inch 20msps Oscilloscope

mark-omo Mark Omo

The 2017 Hackaday Prize

Absolute best watch ever !!!!

BPW34 solar powered led watch

The 2018 Hackaday Prize

A most stylish wearable music synthesizer! A real stylus based monophonic music synthesizer built into a giant trucker belt buckle!

Stylish!

tina-belmont Tina Belmont

Letting all the members of the hackerspace add song requests and play music with ease

Jukebox sound system for the hackerspace

nikolai-ovesen Nikolai Ovesen

The Cyclone5 DE1-SoC has a nice audio codec, with support on the Intel/Altera Avalon bus. An Avalon bus master does the DSP, and runs codec

Audio DSP on DE1-SoC

bruce-land Bruce Land

Characterise relay performance data as a one-shot or over millions of operations.

ReTest - Relay timing tester

matseng matseng

Use this robot and a camera with a long exposure to create some stunning images that are painted with light from an led matrix

Light Photography Robot

hacker-house Hacker House

Bela is an open source platform for building musical instruments, interactive installations, sound-making robotics, embedded DSP.

Bela: open source audio and sensor processing

bela-platform Bela Platform

An experiment in simulating 3D effect in C

3D dungeon crawler in C

A bit of rules abuse for one square inch contest

Larger than one square inch PCB breakout

jaromirsukuba jaromir.sukuba

The 2017 Hackaday Prize

Using Arduino, modern sensors and hobby rockets to study air pollution.

Crowdsourced Atmosphere Science & Student Rockets

ken-biba Ken Biba

The 2017 Hackaday Prize

A remedy for lower extremity Lympedema sufferers, that solves the problem of swollen blistered toes

Lymphedema Compression Garment

When connected via USB, many car stereo systems play the first song in alphabetical order. This project allows you to create a silent track

Generate silent song for car audio

This was a human lung interior / visualization, aimed at getting kids excited about science [I built 3d models + surfaces]

various 3d animation / cg for science vis [80-90s]

My Hackaday UK Unconference badge, that plays a chiptune version of Rick Astley's hit on FM radio

Hackaday UK Unconference FM Radio Rickroll Badge

jenny-list Jenny List

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Bits

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[this comment has been deleted]

Fedor Gruzdev wrote 10/09/2018 at 11:04

Thank you Mark for my first bit!

Funny coincidence - I'm currently working on 4-bit CPU, just like your Cardboard Computer (although it involves ICs and not discrete-part gates). I'll post about it soon, so stay tuned!

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