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Etching controller v2 by classdisk

Cloned from Sketch Etching controller v2 by michal7

A MicroView based controller for a custom built PCB etching tank - refactoring

Schematics will be posted later.

Hardware consists of:

  • a MicroView,
  • a rotary encoder & a button,
  • a thermistor,
  • a pair of IRF520 N-MOSFETs,
  • a silicone heater pad,
  • a fountain pump,
  • a modified laptop PSU (converted to 12V),
  • a 5V SMPS,
  • a LED stripe.

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