Quantity   Component name
2 × ammeters www.ebay.ca/itm/350684030654
1 × main supply www.ebay.ca/itm/141113891019
1 × usb to TTL serial converter http://www.ebay.ca/itm/141357082103
2 × voltmeters www.ebay.ca/itm/151062816087
4 × encoders http://www.ebay.ca/itm/111415780070
1 × 6N137 - serial isolation yer generic 6N137
1 × atmega32