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ptrav

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This user joined on 04/03/2017.

My Projects

Filling the vacuum in high quality chording keyboards market.

Two-handed chording keyboard

Based on experience with the previous chording keyboard, fully 3D printable version with two joysticks.

Chording Hybrid Keyboard

A no-compromise, mechanical switch, 6-button chording keyboard, placed on the rear side of a tablet or a mobile phone.

Mechanical GKOS keyboard for phones and tablets.

A Programmable Calculator from the USSR!

MK-52 Resurrect

GKOS Keyboard with mechanical switches and a joystick mouse.

GKOS Keyboard

Projects I Contribute To

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

Terminal-BASIC programmable calculator

Andrey Skvortsov

Projects I Like & Follow

Hackaday Prize 2019

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

Open Thermal Camera

It's a dumb terminal. You can connect a Raspberry Pi to it.

VT-69 Handheld Terminal

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

ZX Spectrum emulator with ESP8266

Combining a Z80 retro design with a modern PSoC CPU.

3-Chip Z80 Design

land-boards.com

Hackaday Prize 2019

A 16 bit computer with 20 address bits and video display, from just a few TTL and memory chips. Instructions resemble 68000 / PDP-11.

Kobold - retro TTL computer

Add a second brain to your Arduino Mega

RetroShield for Arduino Mega

Flexapod (Servo-less Octapod)

Racing Spider

Experimental thumb keyboard, suitable for a hand held device

Thumb Keyboard

Like a HP-200LX but better - because 6502

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

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

Terminal-BASIC programmable calculator

Andrey Skvortsov

USB hid keyboard ... etc. for Raspberry PI is back in black, more beauty with more features ;)

mini (Pi)QWERTY USB keyboard II.

My custom split keyboard with integrated trackball and mouse buttons. Inspired by Ergodox and Keyboardio (https://shop.keyboard.io)

Split 58

Turn a SMART Response XE terminal into an 80's flavour pocket computer

SMART Response XE BASIC

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

Five Bar Parallel Robot - Janus Jr

Instant gratification on the ESP8266 and ESP-32

Playing with MicroPython on the ESP

on rpi GPIO is enough signals to direct button matrix + 2" IPS 320x240 display.

#Zepir Raspberry Pi Zero mini computer

An ATmega 1284 based single board computer optimized for use with Terminal Basic.

Terminal Basic SBC

High performance enhanced development board compat

Massduino UNO Pro

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Bits

roelh wrote 06/10/2019 at 10:06

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

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