Hardware Bugs


Even hardware designs have bugs
Two signals are swapped
A power rail is not connected
You forgot to add a pull-up

The most failure-prone part of PCB design is power-on and off
You have transient voltage levels on both power and signals

And integrated circuits have bugs too
The good thing here is that they usually are documented
Please read the errata sheet from page 1 to page end

Actually, every design features at least one bug
The problem with sotware is that you think you can fix later