1. Engineering
  2. Hardware
  3. Electrical
  4. PCB

Printed circuit board

The PCB is made out of two layers. It is 0.8mm thick, and uses an Electroless nickel immersion gold plating.

Layer selection

NumWorks graphing calculator PCB, top copper layer NumWorks graphing calculator PCB, top solder mask layer NumWorks graphing calculator PCB, top silkscreen layer