I have seen that. It is excellent where efficiency matters but in other circumstances over-complicated. On 2 July 2015 at 12:37, Murat Seven wrote: > http://www.romanblack.com/current.htm > > On Mon, Jun 22, 2015 at 3:19 PM, David C Brown wrote= : > > > I need an overcurrent detector for a small DC motor. I thought of usin= g > > low side sensing with the ADC of a PIC measuring the voltage across the > > sense resistor and then doing the integration and peak suppression in > > software. I can tolerate half a volt or more voltage drop in normal > > operation. > > > > This seems to such an obvious idea that I am surprised that I can't fin= d > > any reference to it in a search for "overcurrent detection using PIC". > So > > is there some gotcha that I am too stupid to see? > > > > -- > > __________________________________________ > > David C Brown > > 43 Bings Road > > Whaley Bridge > > High Peak Phone: 01663 733236 > > Derbyshire eMail: dcb.home@gmail.com > > SK23 7ND web: www.bings-knowle.co.uk/dcb > > > > -- > > http://www.piclist.com/techref/piclist PIC/SX FAQ & list archive > > View/change your membership options at > > http://mailman.mit.edu/mailman/listinfo/piclist > > > -- > http://www.piclist.com/techref/piclist PIC/SX FAQ & list archive > View/change your membership options at > http://mailman.mit.edu/mailman/listinfo/piclist > --=20 __________________________________________ David C Brown 43 Bings Road Whaley Bridge High Peak Phone: 01663 733236 Derbyshire eMail: dcb.home@gmail.com SK23 7ND web: www.bings-knowle.co.uk/dcb --=20 http://www.piclist.com/techref/piclist PIC/SX FAQ & list archive View/change your membership options at http://mailman.mit.edu/mailman/listinfo/piclist .