Dmitry.GR: Projects

5 min read Original article ↗
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8-pin Linux

Interactive-speed Linux on a tiny board you can easily build with only 3 8-pin chips

Date: Apr 3, 2025

24 comments

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Linux/4004

Slowly booting full Linux on the intel 4004 for fun, art, and absolutely no profit

Date: Sep 19, 2024

47 comments

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springSD

Connect an SD card directly to the 68k bus

Date: Jan 7, 2024

2 comments

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LinuxCard

My business card runs Linux (and Ultrix), yours can too. Details, kits, etc...

Update: Sep 11, 2022
Date: Jul 9, 2022

46 comments

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SASD

Retrocomputing gone wild: SD card support for old PalmOS devices, attached over serial port

Date: Apr 17, 2022

4 comments

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Sony Memory Stick

The first complete documentation of Sony Memory Stick from HW to DATA

Update: Oct 29, 2024
Date: Mar 18, 2022

10 comments

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Reverse Engineering an Unknown Microcontroller

How to reverse engineer a completely undocumented microcontroller. From nothing to a full SDK in one week flat!

Date: May 6, 2021

3 comments

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Hacking eInk Price Tags

Wireless picture frames that run for years on batteries

Update: May 6, 2021
Date: Mar 23, 2021

24 comments

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PokéWalker hacking

Complete device takeover by blinking at it!

Update: Nov 29, 2020
Date: Nov 12, 2020

36 comments

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rePalm

PalmOS on new hardware!

Update: Dec 5, 2025
Date: Dec 30, 2018

76 comments

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m0FaultDispatch

Resumable faults on Cortex-M0!

Update: Apr 12, 2023
Date: Dec 23, 2019

1 comment

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Smart 3LS363A

Convert an antique 3LS363A into a smart i2c display!

Date: Feb 2, 2019

No comments

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Cortex Prog

Program, debug, and unlock anything anytime anywhere

Date: Jan 21, 2018

5 comments

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VMU hacks (&C-M23 emulator)

All about the SEGA VMU (including dumping the ROM, things never before known or possible)

Date: Jul 14, 2017

9 comments

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PSoC4 confidential

Unofficial PSoC4 manual/FAQ/errata. Pssst, budddy... want to know more?

Update: Mar 31, 2017
Date: Mar 30, 2017

4 comments

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Exploiting PSoC4 for fun and profit

An attempted security system turns into rootkit enablement. Or allows code theft. Or doubles size of flash.

Update: Mar 16, 2017
Date: Mar 2, 2017

18 comments

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Simple valentines' day heart

In case you still need a simple present for v-day, here is an idea both in SMT and in PTH

Date: Jan 30, 2017

No comments

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Updating the KLN89B

My epic saga of updating a plane's very old GPS's data in a very modern way

Update: Dec 15, 2016
Date: Nov 17, 2016

12 comments

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ModulaR bootloader

AVR USB bootloader with encryption, and USB API for loaded code (a first)

Update: Jan 21, 2018
Date: Jul 21, 2016

5 comments

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Cool Room Lights

1000 RGB lights ought to be enough for everyone?

Date: Sep 29, 2015

7 comments

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Holiday Card

A card that plays one of many songs

Date: Dec 30, 2014

14 comments

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Playing with eTokens

Running custom code on Aladdin PASS eTokens

Date: Oct 14, 2013

13 comments

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Advanced Transcend WiFiSD hacking

Custom kernel and Ubuntu chroot

Update: Sep 19, 2013
Date: Sep 18, 2013

70 comments

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USB RGB status light(s)

3 USB-controllable RGB LEDs to show things like build statusses

Date: May 26, 2013

7 comments

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LED pendant (8x8)

A cool piece of tech-jewelry to be worn in any club environment

Date: Jan 8, 2013

10 comments

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uJ - a Java VM for microcontrollers

A full Java VM that can run on even the smallest of microcontrollers

Update: Apr 21, 2013
Date: Oct 15, 2012

42 comments

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"Bit-Banging" Bluetooth Low Energy

Creating BTLE-compliant advertisement packets, so that iOS and android devices can see and parse them.

Date: Jul 31, 2012

51 comments

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Efficient SBC decoding

A workng exmaple of an efficient integer decoder for Bluetooth's SBC codec.

Date: May 26, 2012

4 comments

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Cortex-M0 emulator on an ATTiny85

A workng emulator of the Thumb instruction set written in asembly for the 8-bit AVR family of microcontrollers.

Date: May 17, 2012

20 comments

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Linux on an 8-bit micro?

A successful experiment in running real Linux on an 8-bit AVR.

Update: Jul 14, 2019
Date: Mar 27, 2012

334 comments

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RC Dimmer

A 120V Dimmer with infra-red remote control implemented using 2 PIC microcontrolers.

Date: Oct 27, 2011

5 comments

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Nike+iPod reverse Engineering

A work on reverse engineering the Nike+iPod wireles sprotocl, complete with decoder and data explanations.

Update: Oct 13, 2011
Date: Oct 5, 2011

23 comments

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RC Mood light

A mood light with infra-red remote control implemented using 2 PIC microcontrolers.

Update: Jun 14, 2011
Date: May 9, 2011

5 comments

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One-chip 11x10 LED matrix

A charlieplexed 10x11 LED matrix driven by a single chip - a 14-pin PIC microcontroller. No other chips are used.

Date: May 1, 2011

7 comments

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One-chip sound player

A cool way to play audio from an SD card using a single 8-pin PIC microcontroller and no other chips at all

Update: Apr 28, 2011
Date: Apr 25, 2011

87 comments

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Import SMS PalmOS -> iPhone

A method to import SMSs form PalmOS (or many other sources) into iPhone, including some scripts and programs to help

Date: Feb 2, 2011

3 comments