Electrical Engineering
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Kris's user avatar
Kris
  • Member for 2 years, 8 months
  • Last seen more than a month ago
Profile Activity

18 Questions

Score Activity Newest Views
3 votes
2 answers
315 views

Will replacing a 16.6nH inductor with 2 inductors in series total 16.6nH cause issues on RF board at 433MHz?

2 votes
2 answers
706 views

2 vs 4 PCB layers

2 votes
2 answers
189 views

What components can be placed not to close to the circuit like capacitors and still work fine?

1 vote
1 answer
2k views

How to connect CC1101 to Esp32?

1 vote
3 answers
330 views

Transistor how to turn lamp on/off

1 vote
1 answer
101 views

Can I use higher rated capacitor and larger package (for capacitors, resistors, etc?)

1 vote
3 answers
2k views

How to securely lock 100% a microcontroller like ESP32 or ATtiny85 or any other ATtiny?

0 votes
2 answers
198 views

Can a similar crystal and not exactly the one on the datasheet be used on RF 433 receiver?

0 votes
2 answers
94 views

How can it be 12VDC and 1.2A 30W?

0 votes
1 answer
122 views

Why does this transistor limit the current so much?

0 votes
1 answer
270 views

On a PCB, can an antenna for 433MHz RF be "far" from the transceiver?

0 votes
1 answer
737 views

How to legally sell custom PCB, certifications etc?

0 votes
1 answer
148 views

What is this diode and what is the use?

0 votes
2 answers
650 views

On which layers of 4 should the trace antenna be (433MHz)?

0 votes
2 answers
109 views

VBAT vs 4V on this circuit. What is the difference?

0 votes
1 answer
92 views

LilyGo Sim800C vs Tiny Sim800C Module, Why so many components on LilyGo?

0 votes
1 answer
418 views

5V to 3.3V what is wrong on my schematic?

0 votes
3 answers
389 views

How to choose the correct transistor?

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