controlling a stepper with a simple trigger switch

[Gary]

This can easily be done with the uim2430.
Search - Zapp Automation Ltd

[phill05]

This can easily be done with the uim2430.
Search - Zapp Automation Ltd

Gary your great this is what I am after away to place and order now.

many thanks

Phill

[Jonathan]

It's a pretty trivial thing to program on to a PIC, or an Arduino if you're so inclined. That's unless you've never done any programming.

If you've not got a PIC programmer, or don't know someone who has, then using an arduino is probably the cheaper option. Something like this:
e.g.
Official Arduino UNO Rev3 R3 328 ATMEGA328P Board with Free USB Cable | eBay