Brother LW-35 Typewriter Modernization Vlog 5

Markus | Monday, May 11th 2020, 17:48

-- Part 5: Bringing it all together

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In this final part, I show the completed circuit board of the LW-35 project and give a quick demo of all major features.

This is the final part in the Vlog series, but there will be one more video properly showcasing all features in a more polished fashion. Also, here's a video of the mentioned first print run:

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As always, all code can be found in my git repository: https://git.notsyncing.net:8080/electronics/lw35-upgrade

Video Errata

There were a few wrong things I said in the video:

  • The Orange Pi PC features the Allwinner H3 SoC, which uses an ARM Cortex-A7 as it's CPU. This CPU only features the armv7 instruction set, there is no support for aarch64 on this chip.
  • The 5V power supply is, of course, a 230V AC to 5V DC switch-mode power supply (SMPS), not a DC-DC converter. Although, technically, it's still that on the inside, but I wanted to clarify it here.

Tags: hardware lw35 software video