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Projects Justin Davis likes and follows

3.7k
2.5k
33
Bringing a vintage DIY binary counting computer back to life
Project Owner Contributor

Restoring the TRANSBINIAC computer

johnJohn

20.2k
1.9k
190
This project describes the use of Raspberry Pi as an IoT connected vital signs monitor. The HealthyPi HAT for Raspberry Pi used.
Project Owner Contributor

Connected Health: Open source IoT patient monitor

ashwin-k-whitchurchAshwin K Whitchurch

45.6k
1.8k
505
RepRap HELIOS is a highly printable SCARA 3D printer. It has an outrageous print area and can print on almost any flat surface.
Project Owner Contributor

RepRap HELIOS

nicholas-sewardNicholas Seward

23.4k
1.4k
76
Science in your hand. A pocket-sized instrument capable of visualizing and exploring the world around you. (Iteration 8)
Project Owner Contributor

Iteration 8

peter-jansenpeter jansen

89.8k
307
270
Just because! A home computer without microprocessor
Project Owner Contributor

Gigatron TTL microcomputer

marcel-van-kervinckMarcel van Kervinck

9.8k
189
181
3D Print yourself some of these magazines to keep your shop organized and boost your pick and place productivity!
Project Owner Contributor

SMD Component Magazines

robin-reiterRobin Reiter

40.1k
157
143
Retrocomputer built from TTL logic running CP/M with no CPU or ALU
Project Owner Contributor

Novasaur CP/M TTL Retrocomputer

alastair-hewittAlastair Hewitt

19.9k
102
97
A microprocessor built with TTL chips. In one square inch.
Project Owner Contributor

1 Square Inch TTL CPU

roelhroelh

9.2k
66
59
A discrete-logic CPU that fits on a prototype board, and is able to run complex C programs, all without microcode.
Project Owner Contributor

Microcode-less TTL CPU

szoftveresSzoftveres

17.9k
63
68
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

6.1k
62
50
A 16-bit CPU, with 16 registers, described in 66 lines of code - with HDL, emulators and a macro assembler.
Project Owner Contributor

OPC-5 - a CPU for FPGA, in one page

ed-sEd S

10.1k
59
57
Test any electronic component with this pocket component tester
Project Owner Contributor

Component Tester in a Keychain

akshay-bawejaAkshay Baweja

4k
43
53
I've made a custom Magnetic Rotary Encoder using an AS5048A
Project Owner Contributor

Magnetic Rotary Encoder

chris-gChris G

4.9k
42
44
A DIY true single-chip computer with video and C interpreter
Project Owner Contributor

ELLO 1A

knvdKn/vD

11k
40
37
I have been exploring one bit CPUs. For the right application they may be worth knowing.
Project Owner Contributor

One Bit CPUs

agpcooperagp.cooper

4.4k
28
22
Building a Drop-In Replacement for the MOS6526. Sponsored by PCBWay
Project Owner Contributor

74HCT6526

daniel-molinaDaniel Molina

3.1k
18
14
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

2.2k
18
15
16-Bit TTL Compatible I/O Expander for the PiDP-11 and Raspberry Pi
Project Owner Contributor

PiDP-11 I/O Expander

steven-stallionSteven Stallion

797
17
18
Inspired by the shell-swapping hermit crab, HERMITS uses interchangeable mechanical shells for tiny robots to do all sorts of things.
Project Owner Contributor

HERMITS

ken-nakagakiKen Nakagaki

2k
15
26
An addressable LED based on discrete transistors
Project Owner Contributor

The TransistorPixel

timTim

326
0
1
Use a real Commodore 64 keyboard for MiSTer FPGA and VICE emulation.
Project Owner Contributor

Real C64 keyboard for MiSTer FPGA and VICE

rumbledethumpsRumbledethumps

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