Build your own PIC based test gadgets ! They are typically smaller than PC's and generally consume less power. They normaly have a weight advantage as well. The advantage is you can also make them 'GooN' proof by simplifying opperations to either totally auotmatic or 'Push this button and watch for the green light' When dealing with a factory full of football hooligans this approach is essential for product opperation let alone reliability....... Steve.....