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BitWrangler.uk

Maker and tinkerer in retro-computers, electronics, micro controllers and software

  • Calculators
  • Retro Computers
    • Acorn Electron
    • Atari
    • Commodore 64
    • ZX81
    • ZX Spectrum
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BitWrangler.uk

Author: Gordon Pimblott

BBC Micro #3 (Caps, sound and colour)

June 26, 2022 Gordon Pimblott BBC micro, Retro Computers

Mainboard capacitors After completely recapping the power supply I decided to change the electrolytic caps on the main board, there[…]

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BBC SD disc loader

BBC micro #2 (SD game loader)

June 24, 2022 Gordon Pimblott BBC micro, Retro Computers

With the Beeb working I couldn’t help but want to play some games (even before the big clean). There are[…]

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BBC Micro

BBC micro #1 (Power supply recapping)

June 24, 2022 Gordon Pimblott BBC micro, Retro Computers

I have fond memories of the BBC micro. I started programming on the ZX spectrum, but it was the BBC[…]

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LCD Controller board

Laptop panel recycled as Retro computer display

March 12, 2022 Gordon Pimblott Electronics, Retro Computers

I like to have a display attached to my workbench to test the retro computers and consoles that I am[…]

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Atari 7800 composite mod

February 23, 2022 Gordon Pimblott Atari, Retro Computers

I already own a few Atari 2600’s but was keeping my eye out for others in the range, then this[…]

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C64C

C64C Refurbishment

February 23, 2022 Gordon Pimblott Commodore 64, Retro Computers

The latest addition to my collection is a very nice C64. I bought it off eBay from a charity (which[…]

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Atari 2600 Woody

Atari 2600 woody “Light sixer”

January 4, 2022 Gordon Pimblott Atari, Retro Computers

Following a couple of successful Atari 2600 junior repairs, and given how much I enjoyed playing Atari games, I wanted[…]

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ZX81 Schemtic

ZX81 Composite PCB

November 21, 2021 Gordon Pimblott Electronics, Retro Computers, ZX81

I have a couple of ZX81’s both of which have been modded to output composite video. With the first one[…]

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Atari 2600 Jnr #2 (pt4 – key membrane)

September 26, 2021 Gordon Pimblott Atari, Projects, Retro Computers

If you have followed the previous three posts then you will know that I have been cleaning and fixing an[…]

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Atari video mod

Atari 2600 Jnr #2 (pt3 – colour resistor & AV jacks)

August 30, 2021 Gordon Pimblott Atari, Retro Computers

With the basic console working – I guessed the colour fix was likely to be the variable resistor that fine-tunes[…]

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Recent Posts

  • BBC Micro #3 (Caps, sound and colour)
  • BBC micro #2 (SD game loader)
  • BBC micro #1 (Power supply recapping)
  • Laptop panel recycled as Retro computer display
  • Atari 7800 composite mod
  • C64C Refurbishment

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