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John Lonergan

Busy Parent. 1980's teenage hardware hacker. Distracted by software as a means to earn living. Now making up for lost time.

United Kingdom
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11 Followers
21 Following
6 Projects
john-lonergan
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This user joined on 08/03/2019.

10.9k
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8 Bit CPU in 7400 with full Verilog simulator and toolchain
Project Owner Contributor

SPAM-1 - 8 Bit CPU

john-lonerganJohn Lonergan

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Interactive tester and exploratory tool for logic chips
Project Owner Contributor

Integrated Circuit Tester & Exploratory Tool

john-lonerganJohn Lonergan

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Two digit (8 bit) hex display using a PIC16F18446 microcontroller
Project Owner Contributor

Dual 7 Segment Hex Display Module

john-lonerganJohn Lonergan

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Handy 7 seg module that crams two DM9368N and two digits onto a single board that I can plug in on my breadboards.
Project Owner Contributor

7 Segment Display Module using DM9368N

john-lonerganJohn Lonergan

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The SPAM-1 CPU needs a C compiler so I've started porting VBCC
Project Owner Contributor

VBCC Compiler - SPAM-1 Backend

john-lonerganJohn Lonergan

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NES Controller interface for my homebrew CPU SPAM-1 to allow playing CHIP-8 games
Project Owner Contributor

NES Controller Interface using PIC16F18446

john-lonerganJohn Lonergan

47.1k
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Where DIY DIP/SSI/MSI CPU makers meet and discuss other TLA (three letters acronyms)
Project Owner Contributor

Hackaday TTLers

yann-guidon-ygdesYann Guidon / YGDES

104.5k
1,522.6k
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Follow for the 'Hacklet' and latest news about hackaday.io
Project Owner Contributor

Hackaday.io Project

lutetiumLutetium

47.1k
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Where DIY DIP/SSI/MSI CPU makers meet and discuss other TLA (three letters acronyms)
Project Owner Contributor

Hackaday TTLers

yann-guidon-ygdesYann Guidon / YGDES

40k
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640x480 (and 848x480!) Color VGA Video Card for Microcontrollers and Single Board Computers
Project Owner Contributor

VGA Graphics Over SPI and Serial - VGATonic

pkPK

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a jumperless (solderless) breadboard
Project Owner Contributor

Jumperless

kevin-santo-cappuccioKevin Santo Cappuccio

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Retrocomputer built from TTL logic running CP/M with no CPU or ALU
Project Owner Contributor

Novasaur CP/M TTL Retrocomputer

alastair-hewittAlastair Hewitt

32.7k
410
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8 GHz BW, up to 1 TS/s ET Sampling I have ceased active development on this project. Please don't ask.
Project Owner Contributor

8 GHz Sampling Oscilloscope

ted-yapoTed Yapo

26k
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A 16 bit RISC computer with video display, from just a few TTL and memory chips. Online C compiler and simulator available.
Project Owner Contributor

Kobold K2 - RISC TTL Computer

roelhroelh

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Using a light gun to interact with a video synthesizer and produce sound.
Project Owner Contributor

NES Zapper Video Synth Theremin

russell-kramerRussell Kramer

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I programmed Tetris for the Arduino. It was a 2-Day Project. So it is not that big. But funny. The LCD Display is not made for this :-)
Project Owner Contributor

Tetris on Arduino + LCD

numericnumeric

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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

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1.9k
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Who says CPUs waste energy by producing heat? - It can be used to warm coffee! A USB-driven, temperature-monitored quad-386 coffee heater.
Project Owner Contributor

quad-386 coffee heater

magnustronmagnustron

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niftyled is a plugin based open source framework to control LED devices using pixmaps.
Project Owner Contributor

niftyled

niftylightniftylight

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Remake of the TIL311 hex LED display with recent technology.
Project Owner Contributor

PICTIL

alexAlex

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AVR-based bootloader and IO card for RC2014 retrocomputer
Project Owner Contributor

z80ctrl

jb-langstonJ.B. Langston

12.4k
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A 16 bit computer with 20 address bits and video display, from just a few TTL and memory chips. Instructions resemble 68000 / PDP-11.
Project Owner Contributor

Kobold - retro TTL computer

roelhroelh

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Put your Verilog on real hardware, real cheap
Project Owner Contributor

FPGA Bootcamp #3

al-williamsAl Williams

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Raspberry Pi Based Hardware Sampler / Synth Platform
Project Owner Contributor

SamplerBox 1

p-tP. T.

8k
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Modern take on TIL311 and reimagination of #PICTIL optimized for easier production and lower part count
Project Owner Contributor

reTIL

alexAlex

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Dr. Cockroach wrote 10/10/2020 at 09:51 • point

Hello John and thank you for the like for the #LLTP - Light Logic Transistorless Processor 

  Are you sure? yes | no

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roelh wrote 07/17/2020 at 20:45 • point

Hello John, thank you for liking and following #Kobold K2 - RISC TTL Computer !

  Are you sure? yes | no

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Ken Yap wrote 03/15/2020 at 11:49 • point

Thanks for liking #Targeting SDCC to the 8080 I feel guilty neglecting it for so long.

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John Lonergan wrote 03/15/2020 at 12:15 • point

I'm going to want some kind of language binding at some point.

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John Lonergan wrote 08/26/2019 at 00:34 • point

Of course

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roelh wrote 08/25/2019 at 07:40 • point

Hi John, thanks for following #Kobold - retro TTL computer ! Liking it would be even better !

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