Hi Damien,
I didn't realise the Moonlite controller could operate without PC - a 12 V battery might be an option. I also found this non-PC, 12 V one:
http://www.siderealtrading.com.au/pr...er-controller/
Bojan,
I like the look of this DIY mini-focuser - I wish the commercially available options were so compact.
https://www.cloudynights.com/topic/4...ronic-focuser/