Thomas Reidemeister

Thomas Reidemeister Personal blog about machine vision, retro computing, and martial arts. https://reidemeister.com https://reidemeister.com/blog/2025.11.24 MCS-51 Real-World Interfacing - Infrared Data https://reidemeister.com/blog/2025.11.24 IrDA Interfacing. Mon, 24 Nov 2025 00:00:00 GMT https://reidemeister.com/blog/2025.11.23 MCS-51 Real-World Interfacing - Philips I2C https://reidemeister.com/blog/2025.11.23 EEPROM Interfacing. Sun, 23 Nov 2025 00:00:00 GMT https://reidemeister.com/blog/2025.11.22 MCS-51 Real-World Interfacing - Dallas 1 Wire https://reidemeister.com/blog/2025.11.22 Building a digital thermometer. Sat, 22 Nov 2025 00:00:00 GMT https://reidemeister.com/blog/2025.11.18 MCS-51 Real-World Interfacing - Dot-Matrix LCDs https://reidemeister.com/blog/2025.11.18 ST7920 LCD Controller interfacing. Tue, 18 Nov 2025 00:00:00 GMT https://reidemeister.com/blog/2025.11.17 MCS-51 Real-World interfacing - Character LCDs https://reidemeister.com/blog/2025.11.17 HD44780 LCD Controller interfacing. Mon, 17 Nov 2025 00:00:00 GMT https://reidemeister.com/blog/2025.11.15 MCS-51 Real-World interfacing - 7 Segment Displays https://reidemeister.com/blog/2025.11.15 7-segment displays. Sat, 15 Nov 2025 00:00:00 GMT https://reidemeister.com/blog/2025.11.01 MCS-51 Real-World interfacing - Basic User Interfaces https://reidemeister.com/blog/2025.11.01 Buttons and LEDs Sat, 01 Nov 2025 00:00:00 GMT https://reidemeister.com/blog/2025.10.29 MCS-51 UART https://reidemeister.com/blog/2025.10.29 Serial communication. Wed, 29 Oct 2025 00:00:00 GMT https://reidemeister.com/blog/2025.10.27 Timers on the MCS-51 Series Microcontrollers https://reidemeister.com/blog/2025.10.27 Timer0 to Timer3 Mon, 27 Oct 2025 00:00:00 GMT https://reidemeister.com/blog/2025.10.26 Interrupt Processing on MCS-51 and Derivatives https://reidemeister.com/blog/2025.10.26 Interrupt Processing. Sun, 26 Oct 2025 00:00:00 GMT https://reidemeister.com/blog/2025.10.22 GPIOs on MCS-51 Derivatives https://reidemeister.com/blog/2025.10.22 GPIO topologies. Wed, 22 Oct 2025 00:00:00 GMT https://reidemeister.com/blog/2025.10.19 Find your addicts? More MCS-51 https://reidemeister.com/blog/2025.10.19 Blog programming. Sun, 19 Oct 2025 00:00:00 GMT https://reidemeister.com/blog/2025.10.18 Jion Kata and maybe Shito-Ryu Shodan? https://reidemeister.com/blog/2025.10.18 Karate musings on the recovery trail. Sat, 18 Oct 2025 00:00:00 GMT https://reidemeister.com/blog/2025.10.13 Blog Migration https://reidemeister.com/blog/2025.10.13 SvelteKit for static site generation is now complete. Mon, 13 Oct 2025 00:00:00 GMT https://reidemeister.com/blog/2025.10.10 Multi Media with Gemini https://reidemeister.com/blog/2025.10.10 Making Gemini actually useful. Fri, 10 Oct 2025 00:00:00 GMT https://reidemeister.com/blog/2025.10.02 Floatcard for Small Businesses https://reidemeister.com/blog/2025.10.02 Upgrading your expense management to the next level. Thu, 02 Oct 2025 00:00:00 GMT https://reidemeister.com/blog/2025.05.25 Diversification https://reidemeister.com/blog/2025.05.25 Tournament judging rather than kumite! Sun, 25 May 2025 00:00:00 GMT https://reidemeister.com/blog/2025.04.30 Proactive Recovery https://reidemeister.com/blog/2025.04.30 Do not be a victim! Wed, 30 Apr 2025 00:00:00 GMT https://reidemeister.com/blog/2025.04.26 Out of Commission https://reidemeister.com/blog/2025.04.26 Coping with forced rest. Sat, 26 Apr 2025 00:00:00 GMT https://reidemeister.com/blog/2025.04.15 Off to Surgery https://reidemeister.com/blog/2025.04.15 Patellar rupture surgery scheduled. Tue, 15 Apr 2025 00:00:00 GMT https://reidemeister.com/blog/2025.04.13 Ashi-Barai Really Works! https://reidemeister.com/blog/2025.04.13 Complete right-side patellar tendon rupture. Sun, 13 Apr 2025 00:00:00 GMT https://reidemeister.com/blog/2025.04.08 Web Hosting Pains https://reidemeister.com/blog/2025.04.08 Planning to move from AWS/WordPress to GitHub Pages and SvelteKit Tue, 08 Apr 2025 00:00:00 GMT https://reidemeister.com/blog/2024.06.06 1D Measurements with Bottlenose and HALCON https://reidemeister.com/blog/2024.06.06 Metric Camera Calibration. Thu, 06 Jun 2024 00:00:00 GMT https://reidemeister.com/blog/2024.05.23 Calibrating Bottlenose with MVTec HALCON https://reidemeister.com/blog/2024.05.23 Hands-on Metric Camera Calibration. Thu, 23 May 2024 00:00:00 GMT https://reidemeister.com/blog/2024.05.22 Camera Calibration Theory https://reidemeister.com/blog/2024.05.22 Metric Camera Calibration. Wed, 22 May 2024 00:00:00 GMT https://reidemeister.com/blog/2024.04.04 The Road to Shodan https://reidemeister.com/blog/2024.04.04 My Goju Ryu Shodan Essay. Thu, 04 Apr 2024 00:00:00 GMT https://reidemeister.com/blog/2023.08.25 Semihosting on Cheap RISCV Boards https://reidemeister.com/blog/2023.08.25 OpenOCD hacks to bring Semihosting to cheap RISCV boards. Fri, 25 Aug 2023 00:00:00 GMT https://reidemeister.com/blog/2023.07.27 Embedded Continuous Integration Made Easier https://reidemeister.com/blog/2023.07.27 Running in the loop automated tests with GitHub actions Thu, 27 Jul 2023 00:00:00 GMT https://reidemeister.com/blog/2023.06.16 IoT Contest Conclusion https://reidemeister.com/blog/2023.06.16 Next-Generation Reaction Trainer using RISCV and RT-Thead. Fri, 16 Jun 2023 00:00:00 GMT https://reidemeister.com/blog/2023.06.06 IoT Contest: Hardware Design https://reidemeister.com/blog/2023.06.06 PCB Design Considerations. Tue, 06 Jun 2023 00:00:00 GMT https://reidemeister.com/blog/2023.04.30 IoT Contest and Reaction Training https://reidemeister.com/blog/2023.04.30 Next-Generation Reaction Trainer using RISCV and RT-Thead. Sun, 30 Apr 2023 00:00:00 GMT https://reidemeister.com/blog/2023.04.29 Fixing a built-in Oven and Plyometrics https://reidemeister.com/blog/2023.04.29 Making a Plyobox from an improvised repair stand. Sat, 29 Apr 2023 00:00:00 GMT https://reidemeister.com/blog/2023.01.21 32-bits at $0.10 https://reidemeister.com/blog/2023.01.21 Playing with low-cost 32-bit RISC-V MCUs. Sat, 21 Jan 2023 00:00:00 GMT https://reidemeister.com/blog/2023.01.14 Retooling for 2023 https://reidemeister.com/blog/2023.01.14 New Years resolutions made and broken. Thu, 19 Jan 2023 00:00:00 GMT https://reidemeister.com/blog/2022.11.20 A Tiny Companion https://reidemeister.com/blog/2022.11.20 Ulta low power RTC design. Sun, 20 Nov 2022 00:00:00 GMT https://reidemeister.com/blog/2022.11.12 Smart Real-Time-Clock on a $2 PCB (2/2) https://reidemeister.com/blog/2022.11.12 Ulta low power RTC design. Sat, 12 Nov 2022 00:00:00 GMT https://reidemeister.com/blog/2022.10.29 Smart Real-Time-Clock on a $2 PCB (1/2) https://reidemeister.com/blog/2022.10.29 Ulta low power RTC design. Sat, 29 Oct 2022 00:00:00 GMT https://reidemeister.com/blog/2022.09.29 EMS and 8051s, the TM-502 https://reidemeister.com/blog/2022.09.29 Low-end microcontrollers Thu, 29 Sep 2022 00:00:00 GMT https://reidemeister.com/blog/2022.09.21 Label Printers and libUSB https://reidemeister.com/blog/2022.09.21 A Practical Introduction to libUSB and Raster Printers. Wed, 21 Sep 2022 00:00:00 GMT https://reidemeister.com/blog/2022.08.01 A New Pal https://reidemeister.com/blog/2022.08.01 Building a Training Dummy. Mon, 01 Aug 2022 00:00:00 GMT https://reidemeister.com/blog/2022.07.18 90s Offline Linux Possible Today ? https://reidemeister.com/blog/2022.07.18 Can Linux be fully installed from optical media today? Mon, 18 Jul 2022 00:00:00 GMT https://reidemeister.com/blog/2022.07.04 Fixing a Nice Toy Car https://reidemeister.com/blog/2022.07.04 Custom Motor Controller Design with Audio Playback. Mon, 04 Jul 2022 00:00:00 GMT https://reidemeister.com/blog/2022.07.03 MCS-51 / 8051 – STC89C52 Emulation https://reidemeister.com/blog/2022.07.03 Playing with Chinese knock-offs of the original AT89C5x series. Sun, 03 Jul 2022 00:00:00 GMT https://reidemeister.com/blog/2022.06.04 MCS-51 / 8051 – Hello STC89C52 https://reidemeister.com/blog/2022.06.04 Playing with Chinese knock-offs of the original AT89C5x series. Sat, 04 Jun 2022 00:00:00 GMT https://reidemeister.com/blog/2022.05.31 MCS-51 / 8051 MCU Revived - Introduction https://reidemeister.com/blog/2022.05.31 This is the first post in a series of posts to shed some light on the 8051 architecture. Tue, 31 May 2022 00:00:00 GMT https://reidemeister.com/blog/2022.05.28 Rebooting Fitness and Martial Arts https://reidemeister.com/blog/2022.05.28 Put the next dan on the radar? Sat, 28 May 2022 00:00:00 GMT https://reidemeister.com/blog/2022.05.04 Radio Gaga https://reidemeister.com/blog/2022.05.04 Build an AM/FM radio from scratch. Tue, 24 May 2022 00:00:00 GMT https://reidemeister.com/blog/2021.06.26 Getting Kids into Time Management https://reidemeister.com/blog/2021.06.26 Attempts to get first graders into time management. Wed, 26 May 2021 00:00:00 GMT https://reidemeister.com/blog/2021.05.22 A New Beginning https://reidemeister.com/blog/2021.05.22 Motivation for this blog. Sat, 22 May 2021 00:00:00 GMT https://reidemeister.com/blog/2015.12.13 Super Low-End Microcontrollers Part 2 https://reidemeister.com/blog/2015.12.13 Low-end microcontrollers Sun, 13 Dec 2015 00:00:00 GMT https://reidemeister.com/blog/2015.12.12 Super Low-End Microcontrollers Part 1 https://reidemeister.com/blog/2015.12.12 Low-end microcontroller comparison Sat, 12 Dec 2015 00:00:00 GMT https://reidemeister.com/blog/2014.10.19 Plex and Removable Media https://reidemeister.com/blog/2014.10.19 Handling removable media with Plex Media Server Sun, 19 Oct 2014 00:00:00 GMT https://reidemeister.com/blog/2014.04.26 Parsing PDFs in Python https://reidemeister.com/blog/2014.04.26 Simple PDF statement parser for Python Sat, 26 Apr 2014 00:00:00 GMT https://reidemeister.com/blog/2013.03.04 High Speed STM32F4 ADC Programming https://reidemeister.com/blog/2013.03.04 Most of What You Ever Wanted to Learn about Its Analog Digital Converter (ADC) Mon, 04 Mar 2013 00:00:00 GMT https://reidemeister.com/blog/2013.01.27 Turning a STM32 EVM into a Programmer https://reidemeister.com/blog/2013.01.27 How to save money on a ST-Link programmer. Sun, 27 Jan 2013 00:00:00 GMT https://reidemeister.com/blog/2013.01.22 An Exemplary RIM Play https://reidemeister.com/blog/2013.01.22 Some thoughts on RIMs future. Tue, 22 Jan 2013 00:00:00 GMT https://reidemeister.com/blog/2012.01.09 The virtue of getting up early https://reidemeister.com/blog/2012.01.09 The 5am Routine Mon, 09 Jan 2012 00:00:00 GMT https://reidemeister.com/blog/2011.10.18 Permanent Brake and Fuel Line Replacement https://reidemeister.com/blog/2011.10.18 Are permanent fuel and brake lines possible? Tue, 18 Oct 2011 00:00:00 GMT https://reidemeister.com/blog/2011.09.13 Nintendo DS Homebrew hacking https://reidemeister.com/blog/2011.09.13 Writing custom code for the Nintendo DS. Tue, 13 Sep 2011 00:00:00 GMT https://reidemeister.com/blog/2011.08.29 Orwellian Indexing of Social Media Websites https://reidemeister.com/blog/2011.08.29 What privacy? Early attempts to find folks using reverse image search. Mon, 29 Aug 2011 00:00:00 GMT https://reidemeister.com/blog/2011.08.26 Derivatives Black Magic https://reidemeister.com/blog/2011.08.26 My shaky path of discovering listed stock options. Fri, 26 Aug 2011 00:00:00 GMT https://reidemeister.com/blog/2011.08.02 Door Boards - Vinyl Repair https://reidemeister.com/blog/2011.08.02 Fixing vinyl cracks in vintage cars. Tue, 02 Aug 2011 00:00:00 GMT https://reidemeister.com/blog/2011.07.25 Home Beer Making https://reidemeister.com/blog/2011.07.25 Brewing your own beer. Mon, 25 Jul 2011 00:00:00 GMT https://reidemeister.com/blog/2011.04.27 Fun with old Siemens Cellular Phones https://reidemeister.com/blog/2011.04.27 Interfacing classic GSM phones. Wed, 27 Apr 2011 00:00:00 GMT https://reidemeister.com/blog/2011.04.08 Final Exam Survival https://reidemeister.com/blog/2011.04.08 Designing, Preparing for, and Taking It. Fri, 08 Apr 2011 00:00:00 GMT https://reidemeister.com/blog/2011.04.04 The Real Survival Series - Part 2 https://reidemeister.com/blog/2011.04.04 Lessons from conflict. Mon, 04 Apr 2011 00:00:00 GMT https://reidemeister.com/blog/2011.04.02 Surviving Financial Illiteracy https://reidemeister.com/blog/2011.04.02 A personal take on the financial system. Sat, 02 Apr 2011 00:00:00 GMT https://reidemeister.com/blog/2011.03.14 The Real Survival Series : The Emergency Supply https://reidemeister.com/blog/2011.03.14 Emergency Supply Considerations. Mon, 14 Mar 2011 00:00:00 GMT https://reidemeister.com/blog/2010.12.19 Planning for the First University-Level Teaching Position https://reidemeister.com/blog/2010.12.19 Some findings about teaching for the first time. Sun, 19 Dec 2010 00:00:00 GMT https://reidemeister.com/blog/2010.12.08 Fixing a Vintage Mercedes Rear Axle https://reidemeister.com/blog/2010.12.08 Fixing a Vintage Mercedes Rear Axle and Turning Your Schedule into a Living Nightmare. Wed, 08 Dec 2010 00:00:00 GMT https://reidemeister.com/blog/2010.10.01 Not Only New Friends https://reidemeister.com/blog/2010.10.01 How Historic Events May Discourage Your Martial Arts Practice. Fri, 01 Oct 2010 00:00:00 GMT https://reidemeister.com/blog/2010.07.13 The Secret of Steel: Arc Welding Thin (0.02") Sheet Metal https://reidemeister.com/blog/2010.07.13 Electrode configurations for thin automotive steel welding. Tue, 13 Jul 2010 00:00:00 GMT https://reidemeister.com/blog/2010.04.03 Inglorious Basterds and 27 Appelstroop for Perfection https://reidemeister.com/blog/2010.04.03 How to make Applestroop. Sat, 03 Apr 2010 00:00:00 GMT https://reidemeister.com/blog/2010.02.24 Funstuff: Fighting LCBO and Beerstore by Brewing Your Own Stuff https://reidemeister.com/blog/2010.02.24 Making Ginger Beer at home. Wed, 24 Feb 2010 00:00:00 GMT https://reidemeister.com/blog/2010.02.19 Hands-On Discrete Control with Decision Processes https://reidemeister.com/blog/2010.02.19 Primer on Markov Decision Processes (MDP) Fri, 19 Feb 2010 00:00:00 GMT https://reidemeister.com/blog/2010.02.16 Funstuff: Proving the Myth of Cuban Glass https://reidemeister.com/blog/2010.02.16 Making nice cocktail glasses out of empty bottles. Tue, 16 Feb 2010 00:00:00 GMT https://reidemeister.com/blog/2010.02.08 On Designing Boot Loaders and Grey-box-Testing Firmware (Part 2/2) https://reidemeister.com/blog/2010.02.08 Bootloader for Freescale Coldfire. Mon, 08 Feb 2010 00:00:00 GMT https://reidemeister.com/blog/2010.02.06 On Designing Bootloaders and Grey-box-Testing Firmware (Part 1/2) https://reidemeister.com/blog/2010.02.06 Bootloader for Freescale Coldfire. Sat, 06 Feb 2010 00:00:00 GMT https://reidemeister.com/blog/2010.02.04 Building the GNU Compiler Toolchain for the Coldfire Target https://reidemeister.com/blog/2010.02.04 Toolchain Bootstrap for Freescale Coldfire. Thu, 04 Feb 2010 00:00:00 GMT https://reidemeister.com/blog/2010.02.03 Beginning the Blog https://reidemeister.com/blog/2010.02.03 Motivation for this blog. Wed, 03 Feb 2010 00:00:00 GMT https://reidemeister.com/blog/2007.02.16 SCUQ https://reidemeister.com/blog/2007.02.16 A Class Library for the Evaluation of Scalar- and Complex-Valued Uncertain Quantities. Mon, 19 Feb 2007 00:00:00 GMT