Posts in 2023
  • PC104 ISA adapter

    Sunday, February 19, 2023 in Retrocomputing

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    What is it? These mechanical adapter PCBs allow the use of PC104 and Vortex86DX X-ISA single board computers on an ISA backplane. Such adapters are available commercially for industrial use at extreme prices (100$+), for simple passive adapters. …

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  • Palm IIIc USB-C

    Monday, February 13, 2023 in USB-C mods

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    What is it? A USB-C sync and charging adapter for the Palm serial dock connector. Problems with other adapters A common problem with other adapters is that they often require a hardware RS-232 serial port, making use of an additional adapter with …

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  • OtterCast

    Monday, February 06, 2023 in Network

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Posts in 2022
  • Gigaset DECT debug adapter

    Friday, December 23, 2022 in Tools

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    What is it? Gigaset-Debug-Adapter can be used with many Gigaset DECT phone models to access the internal UART. It’s basically a 1.8V USB->UART converter, with switchable strapping logic and 3V step-down converter. The device fits into the …

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  • M.2 NVMe -> miniPCIe

    Saturday, November 19, 2022 in Computing

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    What is it? This mechanical adapter allows older devices (like the popular apu2 SBCs) to use modern M.2 NVMe storage. Usage 2 adapters installed in a PC Engines apu2 with Samsung PM991 NVMe SSDs: Links Hardware: KiCAD design files

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  • Analog floppy synthesizer

    Saturday, October 29, 2022 in Art

    Your browser does not support the video tag. What is it? 3.5" floppy disks hold information by storing them magnetically on 80 different tracks (effectively circles) across the media. A stepper motor moves a read/write head across the media and …

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  • Typewriter Teletype

    Sunday, August 07, 2022 in Hacks

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    What is it? Samsung / Commodore SQ-1000 electronic typewriters can be modified to work as a teletype terminal. They use a simple 8bit microcontroller to scan the keyboard matrix and do the printing itself. The keyboard was originally attached using …

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  • SolarCamPi

    Thursday, July 14, 2022 in IoT / Home automation

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    What is it? SolarCamPi is an off-grid webcam solution, that can take a picture using a Raspberry Pi Camera or a USB webcam every 5 minutes and send the image over a long-distance WiFi link. Using a very specialised Linux image on the Raspberry Pis …

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  • Palm IIIc LED backlight

    Sunday, May 15, 2022 in Computing

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    What is it? A replacement LED backlight for the popular Palm IIIc handheld computers (“PDAs”) of the early 00s. The original CCFL backlight (high voltage fluorescent tubes in a portable device!) uses a lot of power for very little …

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  • IrDA to RS232

    Tuesday, March 22, 2022 in Retrocomputing

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    What is it? A small PCB, which can receive RS232 over IrDA/IrCOMM (for example from Palm PDAs, Nokia phones, old laptops) and relay it to a RS232 device. Modded ISDN terminal adapter This ELSA MicroLink ISDN terminal adapter was modified to include …

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