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i just searched and found one that had an inbuilt capacitor to guard it from damage
if you are going to use a battery then you dont need any capacitor, spikes wont exist in batteriesif you are using a rectifier circuit then include a bigger capacitor, in my opinion you dont need any cap.
Quote from: benji on July 15, 2009, 10:11:39 AMif you are going to use a battery then you dont need any capacitor, spikes wont exist in batteriesif you are using a rectifier circuit then include a bigger capacitor, in my opinion you dont need any cap.Correct me if I'm wrong, but the spikes we are talking about here are not coming from the power source, but created by the brushes of the motor. The cap is recommended in this case to prevent the spikes to interfere with the rest of the circuit (especially digital parts).Chelmi.
so you are saying a dc motor can cause spikes?
so you are saying a dc motor can cause spikes? a spike mean a sudden drop of voltage.....anyways i saw operation of big dc motors without needing any cap at the sourceI dont think its needed anyways