06-29-2016, 12:34 AM
(06-28-2016, 11:03 AM)psmacmur Wrote: I popped in a pair of CR2016's as they are 3V and sold in pairs, for less than 2x CR2032. and the only spec on the PINE site was "3V". However, I have no idea if I've put them in the right way and are working... is there an easy test for this? Like, a device in /proc in Linux?
There are plus and minus symbols inside the battery holder. If memory serves, the one furthest away from the pair of wires in plus-side down and the closer one is negative-side down.
The safest way to test is to use a spare header and a voltmeter.
