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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Year: 2023
Super 8086 Box, my home-built PC XT emulator with Adlib, MPU-401, joystick and NE2000 support
In 2019 I played with 8086 Tiny Plus v1.34, developed by Jaybert Software and improved from the original 8086 Tiny
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dsMP3, my LW/MW/FM/SW radio with MP3 recording/playback [Part 2 – Firmware Design]
In my previous post I described how I designed my home-built LW/MW/FM/SW radio which supports MP3 recording/playback using the dsPIC33EP512MC502
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Getting xCode to run on unsupported versions of macOS
My MacBook Air 2017 has been running macOS Monterey (12.6.5), the last version to support my MacBook model, which in
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dsMP3, my LW/MW/FM/SW radio with MP3 recording/playback [Part 1 – Hardware Design]
Wondering why even high-end multiband radios such as Tecsun H501 or PL990 do not support recording, I decided to build
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Receive unlimited incoming VoIP calls with FlyNumber’s virtual phone numbers and SIP2SIP
Recently I was introduced to FlyNumber, an easy-to-use cloud VoIP provider which offers PBX services as well as virtual phone
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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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