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John C Lewis

Chemical engineer and old fart

Hannibal. MO
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This user joined on 03/29/2015.

63.9k
564
22
465
Remaking the PDP-8/I using the Pi, simh & a replica front panel
Project Owner Contributor

PiDP-8/I

oscarvOscarv

35.3k
657
36
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Open source system to drive powerchairs by eye movement alone - allowing independent mobility when use of a person's hands isn't an option.
Project Owner Contributor

Eye Controlled Wheelchair!

patrick-joycePatrick Joyce

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An open-source minimalist 68020 based single board computer
Project Owner Contributor

rhombus

jason-westerveltJason Westervelt

15.6k
40
1
35
A programmable RPN calculator using way too many Nixie tubes
Project Owner Contributor

RPN Nixie Calculator

robertcbaruchrobert.c.baruch

12.9k
322
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TRS-80 Model I emulated on a PIC32MX processor; VGA, PS/2, and SD for tape and disk images. Oh, and glourious cassette sound.
Project Owner Contributor

TRS-80 Model 1 on a PIC32

ziggurat29ziggurat29

11.6k
316
10
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The Kestrel project is all about freedom of computing and the freedom of learning using a completely open hardware and software design.
Project Owner Contributor

Kestrel Computer Project

samuel-a-falvo-iiSamuel A. Falvo II

9.4k
1.5k
2
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An Enigma Machine Simulator was created with an Arduino UNO and a Touchscreen LCD. Simulates Enigma I, M3, M4, the Plugboard and Uhr Switch.
Project Owner Contributor

Arduino Enigma Machine Simulator

arduino-enigmaArduino Enigma

8.5k
95
8
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NP-41 is a hardware realization of the Nonpariel calculator simulator. It executes the original HP-41C / CV byte-codes.
Project Owner Contributor

NP-41 RPN Calculator

chris-chungChris Chung

8.3k
241
8
13
Build a project for the Adafruit Pi Zero contest. Still throwing around ideas
Project Owner Contributor

Pi Zero something

j0z0r-pwn4tr0nj0z0r pwn4tr0n

5.7k
91
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A pocket-sized KIM-1/Apple-1/Cosmac Elf with added '6502 programmable calculator mode'. Parts cost is about $10.
Project Owner Contributor

KIM Uno: Simple KIM-1, Apple-1 & Cosmac Elf remake

oscarvOscarv

4.9k
80
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In this project I use adressable RGB leds to make a linear clock. The clock will be connected to Google Calendar to show my appointments.
Project Owner Contributor

Linear Calendar Clock

maakbaasMaakbaas

3.1k
17
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An RPN based scientific calculator with four line display based on the MSP430 microcontroller.
Project Owner Contributor

RPN Scientific Calculator

joey-shepardJoey Shepard

2.8k
295
3
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A low part count PIC16F1705 game console for the ancient (1970's) Chip-8 bytecode interpreters originally run at the Cosmac 1802.
Project Owner Contributor

Tjipp8 - A Chip-8 game console

matsengmatseng

2.7k
21
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A re-creation of a Cosmic ELF computer, Coded in SpinalHDL
Project Owner Contributor

FPGA Cosmac ELF

winston-loweWinston Lowe

1.7k
15
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I think I got this, guys
Project Owner Contributor

Perpetual Motion Machine

jarrettJarrett

1.4k
1.1k
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The 6502 Companion is intended to be a development / learning environment for the 6502 microprocessor.
Project Owner Contributor

The 6502 Companion

josh-kittleJosh Kittle

1.2k
632
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Nixie clock with Android support, Web interface support, FM radio, clock/date, sensors, relays, web stream radio stations, bt/wifi control
Project Owner Contributor

Soviet Nixie Clock

loszelosloszelos

1.2k
16
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An RPN scientific calculator with keystroke programming based on the LPC1114 microcontroller.
Project Owner Contributor

Programmable RPN Calculator

joey-shepardJoey Shepard

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