Close
0%
0%

ptrav

Following
Send a private message
Similar accounts worth following
5 Followers
38 Following
5 Projects
54 Likes
ptrav
Send a private message

This user joined on 04/03/2017.

6.4k
16
6
21
A Programmable Calculator from the USSR!
Project Owner Contributor

MK-52 Resurrect

ptravptrav

2.8k
8
8
11
Filling the vacuum in high quality chording keyboards market.
Project Owner Contributor

Two-handed chording keyboard

ptravptrav

1.2k
6
1
10
A no-compromise, mechanical switch, 6-button chording keyboard, placed on the rear side of a tablet or a mobile phone.
Project Owner Contributor

Mechanical GKOS keyboard for phones and tablets.

ptravptrav

1.7k
10
0
10
Based on experience with the previous chording keyboard, fully 3D printable version with two joysticks.
Project Owner Contributor

Chording Hybrid Keyboard

ptravptrav

581
2
0
2
GKOS Keyboard with mechanical switches and a joystick mouse.
Project Owner Contributor

GKOS Keyboard

ptravptrav

5.4k
40
9
32
A poket-to-laptop size microcomputer/programmable calculator, based on Terminal-BASIC
Project Owner Contributor

Terminal-BASIC programmable calculator

andrey-skvortsovAndrey Skvortsov

33.5k
156
73
117
More sensitive to gamma radiation than a Geiger counter with the added bonus of telling exactly what's inside your samples!
Project Owner Contributor

All-In-One Gamma-Ray Spectrometer

nuclearphoenixNuclearPhoenix

31.7k
290
32
215
Opensource, inexpensive, mobile thermal camera for use in electronics, home inspection, non-contact thermometer, heat distribution and more.
Project Owner Contributor

Open Thermal Camera

themarpeTheMarpe

23.1k
41
1
39
Combining a Z80 retro design with a modern PSoC CPU.
Project Owner Contributor

3-Chip Z80 Design

land-boardscomland-boards.com

18.8k
143
14
149
Open-source and open-hardware custom scientific RPN calculator
Project Owner Contributor

OpenRPNCalc

anton-poluektovAnton Poluektov

16.2k
78
43
60
An ESP8266 , a ILI9341 display, a few buttons to build a working ZX Spectrum
Project Owner Contributor

ZX Spectrum emulator with ESP8266

aldoloaldolo

14.9k
177
12
144
USB hid keyboard ... etc. for Raspberry PI is back in black, more beauty with more features ;)
Project Owner Contributor

mini (Pi)QWERTY USB keyboard II.

bobriciusbobricius

13.8k
88
7
93
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

9.4k
92
18
89
Like a HP-200LX but better - because 6502
Project Owner Contributor

ESP65 Pocket Computer: KIM-I/Apple-1/esp32

oscarvOscarv

9.2k
45
19
54
DIY extremely simple pocket computer Based on Raspberry Pi PICO+LCD+Buttons Software in circuitpython
Project Owner Contributor

PYPRCA - Python Programmable Calculator (computer)

bobriciusbobricius

9.2k
71
20
68
on rpi GPIO is enough signals to direct button matrix + 2" IPS 320x240 display.
Project Owner Contributor

#Zepir Raspberry Pi Zero mini computer

bobriciusbobricius

8.2k
68
1
55
A Raspberry Pi 4 based Pocket Computer
Project Owner Contributor

NEOklacker

spider-jerusalemSpider Jerusalem

7.3k
7.1k
6
38
Add a second brain to your Arduino Mega
Project Owner Contributor

RetroShield for Arduino Mega

erturk-kocalarErturk Kocalar

5.4k
40
9
32
A poket-to-laptop size microcomputer/programmable calculator, based on Terminal-BASIC
Project Owner Contributor

Terminal-BASIC programmable calculator

andrey-skvortsovAndrey Skvortsov

4.8k
42
10
34
Turn a SMART Response XE terminal into an 80's flavour pocket computer
Project Owner Contributor

SMART Response XE BASIC

fdufnewsfdufnews

3.8k
20
4
20
Janus Jr is a small five-bar parallel robot designed to work with brushless motors, ESP32 (Arduino IDE) and 3D printed parts.
Project Owner Contributor

Five Bar Parallel Robot - Janus Jr

david-gonzalezDavid Gonzalez

2.4k
7
0
6
Instant gratification on the ESP8266 and ESP-32
Project Owner Contributor

Playing with MicroPython on the ESP

hari-wigunaHari Wiguna

986
106
22
112
Flexapod (Servo-less Octapod)
Project Owner Contributor

Racing Spider

russell-munroRussell Munro

827
8
0
8
Use a C/C++ REPL to have an interactive development experience like microPython, but with no limitation in APIs!
Project Owner Contributor

Run A C/C++ Interpreter on Your ARM-based Board

sdtelectronicsSdtElectronics

View all

Share this profile

Share

Bits

roelh wrote 06/10/2019 at 10:06 • point

Hi Ptrav, thanks for following and liking the #Kobold - retro TTL computer !

  Are you sure? yes | no

Send a private message to ptrav

Become cool instantly

Create your Hackaday.io profile like ptrav and many others

By using our website and services, you expressly agree to the placement of our performance, functionality, and advertising cookies. Learn More

Report user as inappropriate

You are about to report the user "ptrav", please tell us the reason.