Exploring MSX-DOS and CP/M on OneChipBook FPGA-powered laptop
The OneChipBook, available on AliExpress for around $200, is a very interesting FPGA-powered laptop with 32MB RAM, a 10-inch 1024×768
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Hardware
Internet access from Pocket 386 retro laptop using Wemos D1 ESP8266 serial Wifi adapter
Although there is a USB port on the Pocket 386, I seldom use it for file transfer. The device driver,
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MM-9M 10″ portable 800-line vintage B&W CRT monitor
I love B&W CRT displays, for they bring back old memories of the long-lost past, of the first time I
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My journey with the Book 8088: swapping CGA/VGA cards, broken CF slot, and USB booting
Out of curiosity, I purchased two Book 8088 units from AliExpress, one with CGA and the other with VGA, hoping
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Sharp Font Writer FW 600 Vintage 1984 Word Processor with Printer
In late 2022, I acquired the Sharp FW-600 Font Writer – a vintage word processor with a built-in printer, originally
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Toshiba 14AF43 14″ stereo CRT TV with composite, S-video and component inputs
I came across the Toshiba 14AF43, a rare 14″ stereo CRT TV with composite, S-Video, component inputs, and decided to
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Dial-up Internet access in 2024 using the Viking DLE-200B telephone line simulator
I got to know the Internet in secondary school, using a 33.6Kbps US Robotics dial-up modem on my Pentium I
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Tandy 2500RSX: a solid 386 workhorse from the DOS era
My first introduction to computers came in primary school with the Tandy 1000RSX, an 80386SX machine running at 25 MHz.
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Repairing a failed Tecsun S-8800 radio due to damaged charging board
In June, my Tecsun S-8800 which was purchased in Feb 2020 stopped working totally. It had started 2 months earlier
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dsMP3, my LW/MW/FM/SW radio with MP3 recording/playback [Part 2 – Firmware Design]
UPDATE (May 2025) – Check out Hackaday’s write-up of the dsMP3 project here In my previous post I described how
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dsMP3, my LW/MW/FM/SW radio with MP3 recording/playback [Part 1 – Hardware Design]
UPDATE (May 2025) – Check out Hackaday’s write-up of the dsMP3 project here Wondering why even high-end multiband radios such
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Integrating FatFs FAT filesystem module with CH375/CH376 USB controller
In a recent embedded project, I need to access data stored on a USB thumb drive using a dsPIC33EP512MC502. As
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Rigol DS1054Z, GW-INSTEK GDS1054B and Hantek DSO4084C digital oscilloscopes
Over a period of five years I have bought myself three low-end modern digital oscilloscopes, the Rigol DS1054Z, GW-INSTEK GDS1054B
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Grundig GV509M, Panasonic NV-FJ625 and Phillips VR 330 VCR/VHS Player/Recorder
In my store room I have a collection of three VCRs, Panasonic NV-FJ625, Phillips VR 330 and Grundig GV509M. The
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Emulating EEPROM using flash memory on dsPIC33EP512MC502
One thing I don’t like about the dsPICEE3P (and the PIC32MX) lines is that these devices do not have EEPROM
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