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3 votes
3 answers
1k views

How many times of a frequency of a PWM can properly generate a sine wave to drive a motor?

1 vote
1 answer
489 views

Why do inverter of a EV motor need capacitor?

1 vote
2 answers
104 views

How to convert a varying 28~60V DC high into 3.3V?

0 votes
0 answers
758 views

SPWM, CPWM, and DPWM: what are they?

0 votes
1 answer
139 views

How to fix a RJ45 connector patina without poison or with common tool?

0 votes
1 answer
1k views

How to DIY a anti static bracelet or ground oneself?

0 votes
0 answers
436 views

Can a multi meter measure a potential static discharge?

0 votes
1 answer
142 views

When we talk about AC current, is it peak current value or average value?

0 votes
0 answers
281 views

How to record RS-485 Modbus communication at PC?

0 votes
0 answers
228 views

RS-485 Modbus keeps sending set timeouts. Is it normal?

0 votes
0 answers
40 views

Is there any template circuit converting PWM input to DC output?