Power Electronics

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Power supplies, power control, power sources/conversion, energy harvesting, battery charging, batteries, etc.
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magnet18
Nature of batteries and wall-warts, negative voltage?
Last message by
russ_hensel
2
23
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6K
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F
Need a 12V power supply circuit.........
Last message by
Wendy
1
Replies
7K
Views
A
DC power transmission...
Last message by
tom66
18
Replies
5K
Views
D
Building Coreless DC motor using with powerful magnets.
Last message by
duhdave
10
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10K
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T
two circuits one battery/motor
Last message by
tkuhrich
11
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4K
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D
Dead Camera Battery or Charger?
Last message by
someonesdad
3
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8K
Views
F
Effects of power to simple lighting Choke/Ballast without a tube?
Last message by
frazzmatazz
5
Replies
4K
Views
S
Using a Car Battery as a Power Source for Time Lapse Camera
Last message by
debe
3
Replies
7K
Views
D
Need help to I.D. power supply thermistor
Last message by
DICEPD
2
Replies
5K
Views
G
Power drive, soft start w/ delayed off cycle
Last message by
R!f@@
1
Replies
2K
Views
S
Which Power supply for led (PWM)
Last message by
tom66
4
Replies
3K
Views
T
PM Generator drains battery???
Last message by
wayneh
11
Replies
5K
Views
C
Radio Wave Powered Clock.
Last message by
Papabravo
4
Replies
3K
Views
Y
power supply question
Last message by
eblc1388
7
Replies
2K
Views
H
Battery ON/OFF Switch circuit
Last message by
eblc1388
5
Replies
5K
Views
S
Power system model
Last message by
samer1
0
Replies
2K
Views
C
3.5, 4.5, 5.5, 6 volts power pack powered by 12v battery
Last message by
Wendy
5
Replies
2K
Views
K
  • Locked
120 VDC Power Supply
Last message by
beenthere
1
Replies
4K
Views
J
battery powered programmable timer
Last message by
Potato Pudding
2
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3K
Views
T
Parallel Batteries
Last message by
Adjuster
8
Replies
9K
Views
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