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Power Electronics

Power supplies, power control, power sources/conversion, energy harvesting, battery charging, batteries, etc.

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USB powered speaker circuit doesn't work

Last message by

tjohnson

Sep 5, 2015

2 3

46: Replies

12K: Views

Planning and Building a Whole House Battery Backup System

Last message by

crutschow

Sep 2, 2015

11: Replies

4K: Views

Security Circuit using relays to ensure power failure of a device.

Last message by

wayne.workman2012

Sep 1, 2015

18: Replies

3K: Views

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power 12v dc motor with 5v dc source

Last message by

Dr.killjoy

Sep 1, 2015

8: Replies

7K: Views

Hot 9v battery with PC fan (LED integrated)

Last message by

Jackbenimble

Sep 1, 2015

3: Replies

1K: Views

LG monitor power problem.

Last message by

Dodgydave

Aug 31, 2015

2

26: Replies

4K: Views

Calculating Power Dispated across triac

Last message by

wd8cxb

Aug 31, 2015

3: Replies

9K: Views

Powered PA speaker - fuses blown

Last message by

Kermit2

Aug 30, 2015

9: Replies

10K: Views

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Something stuck to my battery

Last message by

Dannywhite51

Aug 29, 2015

2

24: Replies

3K: Views

Inductor choice for additional filter with LM2576 switch power supply

Last message by

jm-a

Aug 28, 2015

2: Replies

2K: Views

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SOLA Power Supply

Last message by

pujulde

Aug 28, 2015

7: Replies

3K: Views

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Power supply for a foam cutter

Last message by

j k pathak

Aug 28, 2015

2

32: Replies

11K: Views

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Locked

Need verification on power supply- will it work?

Last message by

Wendy

Aug 26, 2015

3: Replies

1K: Views

A

Powering multiple (50) USB devices

Last message by

awwwt

Aug 25, 2015

2

26: Replies

7K: Views

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Wiring 100 LED lamps safely but as bright as possible using 9 Volt batteries

Last message by

Atef94

Aug 24, 2015

2

31: Replies

7K: Views

Power inverter repair question

Last message by

imaan

Aug 23, 2015

6: Replies

3K: Views

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Trouble powering motor

Last message by

tshuck

Aug 22, 2015

2

22: Replies

4K: Views

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Lenovo li2341twf Monitor - Short / No Power? (Repair Help)

Last message by

ian field

Aug 21, 2015

1: Replies

3K: Views

Powering a DIY subwoofer amp in a car

Last message by

programmer6502

Aug 21, 2015

19: Replies

6K: Views

Solar Powered Owl (Stumper)

Last message by

PickyBiker

Aug 20, 2015

2

30: Replies

4K: Views

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