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A agree that ACS712(+/-5A) has internal Op-Amp. what I mean by without Op-Amp is, breakout board which does not have extra Op-Amp for more gain.
I am new to this ADC world. So, please correct me if I am wrong.
"10-bit ADC works fine with ACS712" - Its depend on what sensitivity we want. If we...
I bought ACS712 without op-amp version. But I came to a conclusion to use op-amp in a similar was as shown in datasheet. Planning to use LM358 as I already have it and easily available.
tpetar: As it gives 185mv/A output, the resolution may not be sufficient to measure low current changes with...
I built up using a TRIAC to control the phase angle to control the speed of a fan. I have added snubber circuit also. But its giving "hum" when its in low speed(Speeds 1 to 6 out of 10). This hum is getting reduced to wards high speeds. I have tried some controllers that I bought out side...
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