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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.

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 Arduino DUE and Terminal-BASIC

Terminal-BASIC programmable calculator

Andrey Skvortsov

Projects I Like & Follow

The 2018 Hackaday Prize

The Redox project is an open-source, QMK (Quantum Mechanical Keyboard Firmware) powered, ergonomic split mechanical keyboard.

Redox keyboard

Hackaday Prize 2019

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

Open Thermal Camera

Handheld tactile switch keyboard for Teensy 3.2 compatible boards.

Teensy Thumb Keyboard

Anthony DiGirolamo

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

VT-69 Handheld Terminal

The 2018 Hackaday Prize

A haptic glove that vibrates when its touches a virtual object. It also tracks physical finger positions and hand orientation.

DIY Haptic Glove for VR

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

Combining a Z80 retro design with a modern PSoC CPU.

3-Chip Z80 Design

land-boards.com

A fully hardware debounced rotary encoder.

Hardware Debounced Rotary Encoder

Flexapod (Servo-less Octapod)

Racing Spider

Experimental thumb keyboard, suitable for a hand held device

Thumb Keyboard

Add a second brain to your Arduino Mega

RetroShield for Arduino Mega

Turn any small DC motor into a powerful servo-motor with robust and accurate position, speed and torque control with this tiny controller.

Tiny Closed-Loop Motor Controller

The 2018 Hackaday Prize

Inspired by the attempts of other people around the Interwebs, I use a motor as a rotary encoder, but with a different approach.

Motor as Encoder

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

Split 58

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

Terminal-BASIC programmable calculator

Andrey Skvortsov

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

SMART Response XE BASIC

Instant gratification on the ESP8266 and ESP-32

Playing with MicroPython on the ESP

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

Terminal Basic SBC

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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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