- How to use a max7219 chip to drive up to 8 seven segment LED displays with just a few pins of your microcontroller.
- How to recover from minor flaws in a board.
- Re-purposing parts of obsolete electronics, and make a virtue out of pack-rat-ery.
As a Pro member, you will gain access to download any Instructable in the PDF format. You also have the ability to customize your PDF download.