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ptrav

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5 Followers
38 Following
5 Projects
50 Likes
ptrav
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This user joined on 04/03/2017.

4.7k
15
6
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A Programmable Calculator from the USSR!
Project Owner Contributor

MK-52 Resurrect

ptravptrav

764
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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

1.1k
10
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Based on experience with the previous chording keyboard, fully 3D printable version with two joysticks.
Project Owner Contributor

Chording Hybrid Keyboard

ptravptrav

2.2k
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Filling the vacuum in high quality chording keyboards market.
Project Owner Contributor

Two-handed chording keyboard

ptravptrav

390
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GKOS Keyboard with mechanical switches and a joystick mouse.
Project Owner Contributor

GKOS Keyboard

ptravptrav

4.2k
37
9
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A poket-to-laptop size microcomputer/programmable calculator, based on Terminal-BASIC
Project Owner Contributor

Terminal-BASIC programmable calculator

andrey-skvortsovAndrey Skvortsov

29.8k
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Opensource, inexpensive, mobile thermal camera for use in electronics, home inspection, non-contact thermometer, heat distribution and more.
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Open Thermal Camera

themarpeTheMarpe

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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

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Combining a Z80 retro design with a modern PSoC CPU.
Project Owner Contributor

3-Chip Z80 Design

land-boardscomland-boards.com

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An ESP8266 , a ILI9341 display, a few buttons to build a working ZX Spectrum
Project Owner Contributor

ZX Spectrum emulator with ESP8266

aldoloaldolo

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Open-source and open-hardware custom scientific RPN calculator
Project Owner Contributor

OpenRPNCalc

anton-poluektovAnton Poluektov

11.8k
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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

11.2k
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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

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Like a HP-200LX but better - because 6502
Project Owner Contributor

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

oscarvOscarv

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on rpi GPIO is enough signals to direct button matrix + 2" IPS 320x240 display.
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#Zepir Raspberry Pi Zero mini computer

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A Raspberry Pi 4 based Pocket Computer
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NEOklacker

spider-jerusalemSpider Jerusalem

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DIY extremely simple pocket computer Based on Raspberry Pi PICO+LCD+Buttons Software in circuitpython
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PYPRCA - Python Programmable Calculator (computer)

bobriciusbobricius

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Add a second brain to your Arduino Mega
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RetroShield for Arduino Mega

erturk-kocalarErturk Kocalar

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A poket-to-laptop size microcomputer/programmable calculator, based on Terminal-BASIC
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Terminal-BASIC programmable calculator

andrey-skvortsovAndrey Skvortsov

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

SMART Response XE BASIC

fdufnewsfdufnews

3.2k
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4
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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

2k
6
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Instant gratification on the ESP8266 and ESP-32
Project Owner Contributor

Playing with MicroPython on the ESP

hari-wigunaHari Wiguna

520
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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

356
2
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High performance enhanced development board compat
Project Owner Contributor

Massduino UNO Pro

yakeyake

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

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

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