Production / Test Engineer working with semiconductor manufacturing equipment. Mainly using Production, Test (Electrical + Mechanical) and Computer skills.

"99% of faults are connection issues"

Common Questions...............

Is it Turned On, Plugged In, Powered Up and Screws done up?

Are the leads broken? Is there a connection? Is it a good connection?

Is the Comms compatible?

Has the software ever worked?

Did you change ANYTHING? (and yes, messing with the SPI read write minimum waits counts )

Are the UART parameters set?

Have all the pins been defined?

Is the pin numbering the same on this connector as that connector?

Statements...........

If the fuse keeps blowing, You have a problem...

PCB's are not supposed to be expensive fuses, You have a problem ...

When you flick the switch and hear a bang, You have a problem...

The smell of hot plastic means, You have a problem.