Dmitry.GR: Projects

	Preserving Pixter Fisher-Price Pixter: From unknown and obscure to fully documented, emulated, and preserved
	Date: May 10, 2026 No comments

	8-pin Linux Interactive-speed Linux on a tiny board you can easily build with only 3 8-pin chips
	Date: Apr 3, 2025 28 comments

	Linux/4004 Slowly booting full Linux on the intel 4004 for fun, art, and absolutely no profit
	Date: Sep 19, 2024 47 comments

	springSD Connect an SD card directly to the 68k bus
	Date: Jan 7, 2024 2 comments

	LinuxCard My business card runs Linux (and Ultrix), yours can too. Details, kits, etc...
	Update: Sep 11, 2022 Date: Jul 9, 2022 47 comments

	SASD Retrocomputing gone wild: SD card support for old PalmOS devices, attached over serial port
	Date: Apr 17, 2022 4 comments

	Sony Memory Stick The first complete documentation of Sony Memory Stick from HW to DATA
	Update: Oct 29, 2024 Date: Mar 18, 2022 12 comments

	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

	Hacking eInk Price Tags Wireless picture frames that run for years on batteries
	Update: May 6, 2021 Date: Mar 23, 2021 25 comments

	PokéWalker hacking Complete device takeover by blinking at it!
	Update: Nov 29, 2020 Date: Nov 12, 2020 37 comments

	rePalm PalmOS on new hardware!
	Update: Dec 5, 2025 Date: Dec 30, 2018 77 comments

	m0FaultDispatch Resumable faults on Cortex-M0!
	Update: Apr 12, 2023 Date: Dec 23, 2019 1 comment

	Smart 3LS363A Convert an antique 3LS363A into a smart i2c display!
	Date: Feb 2, 2019 No comments

	Cortex Prog Program, debug, and unlock anything anytime anywhere
	Date: Jan 21, 2018 5 comments

	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

	PSoC4 confidential Unofficial PSoC4 manual/FAQ/errata. Pssst, budddy... want to know more?
	Update: Mar 31, 2017 Date: Mar 30, 2017 4 comments

	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

	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

	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

	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

	Cool Room Lights 1000 RGB lights ought to be enough for everyone?
	Date: Sep 29, 2015 7 comments

	Holiday Card A card that plays one of many songs
	Date: Dec 30, 2014 14 comments

	Playing with eTokens Running custom code on Aladdin PASS eTokens
	Date: Oct 14, 2013 13 comments

	Advanced Transcend WiFiSD hacking Custom kernel and Ubuntu chroot
	Update: Sep 19, 2013 Date: Sep 18, 2013 70 comments

	USB RGB status light(s) 3 USB-controllable RGB LEDs to show things like build statusses
	Date: May 26, 2013 7 comments

	LED pendant (8x8) A cool piece of tech-jewelry to be worn in any club environment
	Date: Jan 8, 2013 10 comments

	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

	"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

	Efficient SBC decoding A workng exmaple of an efficient integer decoder for Bluetooth's SBC codec.
	Date: May 26, 2012 4 comments

	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

	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

	RC Dimmer A 120V Dimmer with infra-red remote control implemented using 2 PIC microcontrolers.
	Date: Oct 27, 2011 5 comments

	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

	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

	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

	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

	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

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