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yeganehhp
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8 votes
3 answers
6k views

What is the use of this diode in the circuit?

3 votes
3 answers
491 views

Zener diode and input voltage noise

2 votes
1 answer
181 views

SIM800L GND pins

2 votes
1 answer
77 views

First pin problem

1 vote
0 answers
496 views

SIM800L microphone problem

1 vote
1 answer
90 views

common emitter preamplifier problem

1 vote
1 answer
137 views

Is the TP4056 for lithium polymer or lithium ion batteries?

1 vote
2 answers
112 views

MOSFET current bidirectivity [duplicate]

1 vote
0 answers
195 views

GPIO conections to Ground

0 votes
0 answers
62 views

Car switch ripple noise and regulator

0 votes
1 answer
56 views

How power Arduino Mega 2560?

0 votes
3 answers
145 views

Is this circuit correct? Set a digital input low

0 votes
2 answers
87 views

Voltage clamp for car

0 votes
2 answers
99 views

Car door lock with 5v relay

0 votes
1 answer
67 views

Lithium ion battery safety in car?

0 votes
1 answer
1k views

16MHz ceramic resonator 3pin vs 2 pin

0 votes
3 answers
274 views

LM2576 on/off circuit

0 votes
0 answers
111 views

Is this circuit correct and will work?

0 votes
1 answer
94 views

AT24C32 as a replace?

0 votes
1 answer
65 views

Will the LD3985 will turn on in this circuit?

0 votes
0 answers
70 views

Using N channel MOSFET as switch

0 votes
1 answer
267 views

MP1584EN Regulator

0 votes
0 answers
107 views

Does this power path circuit work? [duplicate]

-1 votes
1 answer
85 views

How to design a matching network for an ASK 315 MHz receiver? [closed]

-2 votes
1 answer
111 views

Switch between 2 voltages