There are two basic strategies in teaching:
- Teach and show how things should be done.
- Teach and show how things should NOT be done.
I usually do the first method. But there is a lot of value in the second method too!
When I asked all student groups to solder the headers on the Freescale FRDM-KL25Z board, I received one report that the board does not work any more. A quick inspection of the board showed this: