hey mate. yes im from the UK
I have added a few pics in support of my home made adapter.
here is the links for both the development board and the usb TTL
USB TTL
http://www.ebay.co.uk/itm/150768281764? ... 1497.l2649
USB Development
http://www.modtraders.co.uk/minimus-avr ... board.html
just use this for for Schematics of minmus AVR USB V1

Shot at 2012-04-27
The USB TTL will already have the Gnd, TX, and Rx written on it.
I cut the 3 pins of that wasnt needed and soldered them to the Minimus instead of soldering the wires direct. so if you ever need to swap tx and rx just pull of the
cable.
any troubles just ask