Hi Alvaro,
Thanks for the kind words; As your mention, the objective is to measure capacity (mAh) and the influence of current load (mA) on battery behaviour.
If you place R2 between ground and battery (-), then you can more accurately see discharge current.
I do compute mA based on mV between D2 and ground
If I place R2 between ground and battery (-), the battery voltage measured at D3 will be biased, won't it??
I might help here Send me an email or so if you're interested to test my new serial protocol http://www.arduino.cc/cgi-bin/yabb2/YaBB.pl?num=1257971980/23#23
:o :o good job... may be overkill for this application.
I just need to pass one integer every other second
I am developping the project using StampPlot lite
Will report progress this week-end