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8 votes
5 answers
11k views

How do I improve efficiency of a boost converter?

0 votes
1 answer
28 views

Replace this USB power board

0 votes
0 answers
30 views

Using Microchip Technology MCP39F521 with 240V

0 votes
2 answers
46 views

capacitive filtering of power line transients without power loss

0 votes
1 answer
41 views

Can I mix 5v power sources? how about 24v power sources?

1 vote
1 answer
33 views

PoE power extractions using RT9400

0 votes
3 answers
64 views

Powering a device from the RS485 lines

0 votes
1 answer
153 views

Calculating average power consumption of a battery given only measurements of the battery voltages

0 votes
4 answers
202 views

How can I power my Raspberry Pi with red and black wires?

2 votes
3 answers
1k views

How can I design a simple dual battery e-bike protection circuit?

1 vote
2 answers
116 views

How to isolate RS485 (A and B) from existing transceiver? Check attached circuit diagram, is it correct?

1 vote
0 answers
165 views

Problem calculating fuses

0 votes
1 answer
148 views

Correct way to calculate EIRP of an array of circularly polarized antennas from knowing the power of each component

2 votes
5 answers
150 views

Why do MCU dev boards include multiple voltage regulators?

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