PCB Design Lessons Learnt Today

Learnt some lessons today:

  • If you mark the VCC pin of a component you created in Eagle as a "POWER" pin, it will be automatically connected to the VCC net. If you want to retain control over how you connect your power pins, mark them as "I/O" pins
  • On a PIC 18F2550 pins RC4 and RC5 only work as digital inputs, not outputs.

These mistakes cost me about two hours of debugging, cutting traces, and rewiring, as well as a bluetooth module that got fried by 5V (when it should have been connected to the 3.3V net).

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by Raphael Wimmer on April 6, 2009  •  Permalink
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Posted by Raphael Wimmer on April 6, 2009

https://raphaelwimmer.wordpress.com/2009/04/06/pcb-design-lessons-learnt-today/

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1 Comment

  1. dxmmichelle

     /  October 9, 2010

    — spam removed –Raphael

    Reply

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