13 Results for "TTL computer"

Kobold - retro TTL computer
Project by roelh
A 16 bit computer with 20 address bits and video display, from just a few TTL and memory chips. Instructions resemble 68000 / PDP-11.
- 78
- 84

USB to PC/AT Keyboard Converter
Project by consciousflesh
A simple circuit and a bit of code to connect USB keyboard to a PC/AT computer using the Raspberry Pi
- 6
- 5

Toshiba T3200SXC fix/upgrade: new PSU, LCD, WiFi
Project by Wojciech "adalbert" J
Restoration of 31-year old first* portable with color TFT screen. Re-designed PSU, adaptor for new LCD, WiFi with untouched chassis
- 11
- 17

HB6809 Homebrew computer
Project by Dave Collins
This is my 6809 Homebrew Computer
- 23
- 21

TTL ternary clock
Project by Ken Yap
Make time more frustrating
- 156
- 0

uPD7220 Retro Graphics Card (and VGA hack)
Project by Dylan Brophy
Making an 80s GDC run for the first time in decades, and my first real hack on hackaday.io
- 41
- 34

Nanocomp 6809 8 Bit Retro Computer on Breadboards
Project by Dave Henry
Wireless World Magazine in January and June 1981 published this design. Reproduced on solderless breadboards using the original Monitor ROM
- 21
- 23

TTL binary clock
Project by Ken Yap
A binary clock made from TTL chips from the 70s and 80s
- 505
- 7

AMD 2900 Chipset Research
Project by Rey Morta
Exploring the 2900 family bit slice chip set.
- 13
- 12

Class D Amplifier TLC555 Timer Based PWM Audio Amp
Project by Steven J Greenfield
Recreating a 555 timer based Class D PWM amplifier I first built in the '80s.
- 4
- 6

74xx Discrete Clock
Project by Stephan
A retro-style digital clock based on 74xx discrete logic chips
- 8
- 5

PROMer
Project by Yann Guidon / YGDES
Yet another manual programmer for old fuse PROM chips
- 20
- 38

IO881
Project by Julian
An I/O Processor for 8-bit systems
- 17
- 11