On 3 August 2012 19:40, Paulgir wrote: > A friend has asked me if I can build a 12V to whatever supply to make a > Sk...... STB mobile (I know Sky don't like their STBs "migrating").This is > for use in a camper. Any reason why they don't just put an inverter in the camper? An inverter would allow them to plug in any 230V appliance. Yuri