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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Reverse-engineer
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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Twinhead A5020 566MHz Intel Celeron laptop
In order to play DOS and early Windows games, I searched eBay for a cheap laptop that can run Windows 98, preferably
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Opening Office 2007 documents on Windows 98
On my old but trusted Windows 98 laptop, which is used mostly for DOS and early Windows games, there is an occasional
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Tweaking the AlphaSmart Neo, a great portable word processor with 700-hour battery life
Although I really love my AlphaSmart Dana, its limited battery life which requires recharging every couple of days as well as the
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Reverse engineer the 360Eyes Pro (IPC365) wireless CCTV camera
Available on AliExpress, the 360Eyes Pro (also known as IPC365, from the default network host name of this camera) is
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Playing Alley Cat, a classic MS-DOS game, from your web browser
Last week I explored gabonator’s Visual C++ and Javascript port of Alley Cat, one of my favourite DOS games. The project, despite being apparently
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Experimenting with DOSBox SVN-Daum, a custom DOSBox build by ykhwong
While watching a Youtube video that demonstrates how to use the Roland MT-32 MIDI synthesizer with DOSBox, I came across DOSBox
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Rebuilding the 1987 AdLib Music Synthesizer Card
In an attempt to bring sound to my PC XT clone without spending a lot of money on highly overpriced vintage sound
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Fixing video recording issues in Linphone v4.1.1 for Windows
In one of my projects, I noticed an interesting issue with Linphone v4.1.1 for Windows, a popular open-source cross-platform VoIP application. If I attempted
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Exploring Retro68 GCC-based SDK for 68K Macintosh computers
UPDATE: The 68k development environment with Retro68 together with CodeLite and pce/macplus emulator running on Ubuntu is now ready for
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Data recovery after using ‘dd’ on the wrong partition
During my recent experiment with the Raspberry Pi, I accidentally used dd on the wrong partition and wrote the Pi system image onto
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Repairing a vintage Macintosh SE/30
The Macintosh SE/30 is probably the most wanted Compact Macintosh computer due to its various upgrade options, especially the ability to support
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Fixing BOOTMGR blinking cursor of death when moving Windows across different partitions
Recently I attempted to transfer the Windows 8 installation from my desktop machine to my Thinkpad laptop by using Clonezilla
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Restoring text from PDF files encoded using custom CID fonts
Recently while reading Dune: The Battle of Corrin, a 2004 science fiction novel, from a PDF e-book using Foxit Reader,
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