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  • Using an Arduino and Python script for testing simple logic I.C.s like 74xx TTL

    Arduino and Python script for testing simple logic I.C.s

    136
    0
    7
  • A serial interface for the FACIT 4070 tape punch with only a DTL-level parallel interface.

    Serial Interface for a paper tape punch

    90
    0
    3
  • BeagleBone Black proto cape

    191
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    7
  • The vintage Epson PX-4 and PX-8 computers have small LCD screens, with low contrast. This device fixes that problem.

    Re-UD-80 - a larger display for Epson PX-4 / PX-8

    292
    0
    7
  • The T.I. TMS7000 line of micro controllers is an interesting architecture. These boards will provide a new platform to explore it.

    TMS70C02 single board computer in two parts

    191
    0
    7
  • A PAL-compatible display for the Microprofessor MPF-IB and MFP-IPlus

    Remake VIDEO-MPF-I

    214
    0
    7
  • Relaxing bird song in your WC/toilet/restroom. Different every time you switch on the light. Mains powered, eliminating battery charges.

    Automatic WC bird song player

    206
    0
    8
  • Punched paper tape can be decorative, so this script can create PDFs full of them.

    Punch tape patterns to PDF Gallery

    212
    0
    8
  • There are multiple ways to add floppy-sized storage to the Epson PX-8 or PX-4 computers. PFBDK offers a cheap, easy D.I.Y. solution.

    PFBDK - EPSP floppy drive emulator

    227
    0
    7
  • Many vintage computers use a keyboard matrix for input. This solution replaces a missing keyboard with a cheap PS/2 keyboard.

    PS/2 keyboard to keyboard matrix

    198
    0
    8
  • Write to Z80 memory without any special feature on board or firmware

    Z80 CPU Bus Access

    339
    0
    8
  • A compact diagnosic tool between DVM and scope

    Counting Logic Probe

    498
    0
    8

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