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George Foot

Software Engineer turned Retro Hardware Hacker

UK
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19 Followers
22 Following
6 Projects
110 Likes
  • Projects 6
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  • Pages 1
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  • Following 34
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  • Bits 0
george-foot
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This user joined on 06/02/2020.

My Projects

12.7k
53
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63
How many TTL ICs do you actually need to output a VGA image?
Project Owner Contributor

World's Simplest TTL VGA circuit?

George FootGeorge Foot

1.3k
17
1
13
A step by step guide to reading SD cards on your homebrew Ben Eater-like 6502 computer
Project Owner Contributor

Reading SD Cards on a 6502+6522 Computer

George FootGeorge Foot

2.2k
16
3
12
A flexible, configurable video circuit for homebrew computers, with shared RAM access and easily-tunable timings
Project Owner Contributor

Configurable video output for 6502 computers

George FootGeorge Foot

1.3k
14
1
12
Learning about Dynamic RAM and building a functional DRAM module on a breadboard
Project Owner Contributor

Homebrew Dynamic RAM with Discrete MOSFETs

George FootGeorge Foot

1.1k
653
6
8
Designing a memory controller and OS interface to support multitasking on a 6502 with strictly-protected memory
Project Owner Contributor

Protected-memory multitasking for 6502 computer

George FootGeorge Foot

596
0
0
2
Playing the "Bad Apple!!" demo video using a custom breadboard circuit made out of standard logic chips, with no CPU
Project Owner Contributor

Bad Apple on a Breadboard

George FootGeorge Foot

My Pages

  • See what I'm up to on YouTube!

    09/16/2020 at 23:52 • 0 comments

    On and off I post videos on my YouTube channel - such as amateurish electronics, and a bit less amateurish 6502 hacking.  I'm partway through some series on playing music on a 6502/6522 homebrew computer, and using SD cards with 6502/6522-based computers.  So come along if you're interested!


    https://www.youtube.com/channel/UCSY9pfdm7p4g7cZRRdXSUgQ

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Projects I Like & Follow

  • The 2017 Hackaday Prize
77.1k
291
53
255
Just because! A home computer without microprocessor
Project Owner Contributor

Gigatron TTL microcomputer

Marcel van KervinckMarcel van Kervinck

  • Hackaday Prize 2019
32.6k
145
33
135
Retrocomputer built from TTL logic running CP/M with no CPU or ALU
Project Owner Contributor

Novasaur CP/M TTL Retrocomputer

Alastair HewittAlastair Hewitt

21.5k
79
3
83
Open source multimeter that measures more for less
Project Owner Contributor

DIY 6-digit multimeter

jaromir.sukubajaromir.sukuba

15.2k
10k
2
25
A portable Yagi antenna for working amateur radio satellites
Project Owner Contributor

WA5VJB ultra portable dual VHF/UHF Yagi

EliaElia

12.2k
2.5k
7
35
Yet another homebrew computer based on 65C02 CPU
Project Owner Contributor

DB6502

Dawid BuchwaldDawid Buchwald

7.5k
26
15
30
Generate 640x480 64-color VGA graphics with an 8-bit PIC and an SRAM framebuffer
Project Owner Contributor

PIC Graphics Demo

Ted YapoTed Yapo

6.6k
57
9
59
A Z80 homebrew computer with 64KB SRAM & 32KB ROM (with BASIC), TMS9918A VDP (video) and AY-3-8910 PSG (audio)
Project Owner Contributor

LM80C Color Computer

Leonardo MilianiLeonardo Miliani

  • The 2016 Hackaday Prize
5.7k
5.4k
0
12
Designing hardware is difficult. We Have a hardware platform that generates schematic and layout design files in a typical 10 minutes time.
Project Owner Contributor

Simplify Embedded hardware designs

Makarand KapoorMakarand Kapoor

4.8k
2.1k
25
11
Use your Wemos motor shield with steppers motors I2C custom slave interface
Project Owner Contributor

WEMOS Motor Shield firmware for steppers (I2C)

AngeloteAngelote

3k
4
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4
Vectron Handheld is a retro handheld gaming console based on the 6502 CPU.
Project Owner Contributor

Vectron Handheld

Nick BildNick Bild

2.4k
2.4k
0
22
The smallest DIL40 8085-based computer
Project Owner Contributor

SDC_85

gbmgbm

2.2k
20
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Experimental project to break the 100MHz “sound barrier” on a TTL CPU
Project Owner Contributor

100MHz TTL 6502

DrassDrass

2.1k
2.1k
0
7
Using Hardware and software to create the programming building blocks.
Project Owner Contributor

Rosetta stone of hardware programming

FourthLevelMfgFourthLevelMfg

1.8k
15
15
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Megatron is the little sister of Gigatron, it is an attempt to modify/minimise some Hardware/Software aspects of Gigatron.
Project Owner Contributor

Megatron

Kara AbdelazizKara Abdelaziz

1.7k
17
0
15
VT100 style terminal with a VGA output, built from 7400 chips
Project Owner Contributor

TTL Terminal

Dave UKDave UK

1.7k
10
2
15
Vectron VGA generates a 640x480@60Hz 3-bit color VGA signal and is designed to interface with the Vectron 64 6502-CPU based computer.
Project Owner Contributor

Vectron VGA

Nick BildNick Bild

  • The 2017 Hackaday Prize
854
773
1
8
Multiple OLE displeys can determine the state of your home. Raspberry Pi collects and displays your data acc. to your set priorities!
Project Owner Contributor

Alert Home System

JanoHakJanoHak

593
466
0
2
A beginner to mid-level project utilising an inexpensive ultrasonic sensor, an Arduino and some intermediate code language.
Project Owner Contributor

Arduino HC-SR04 Ultrasonic Sensor Project

ElectorialsElectorials

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