For Colin

Barrel Jacks come in two main sizes, 2.5mm and 2.1 mn-m.  Nearly all ordinary
wall adapters are 2.1mm.  The outside of the sleeve is negative, the inside
positive.

Sid

--
http://www.piclist.com hint: To leave the PICList
mailto:piclist-unsubscribe-request@mitvma.mit.edu