Power Electronics

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Power supplies, power control, power sources/conversion, energy harvesting, battery charging, batteries, etc.
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B
Pass transistor heats up... Variable linear power supply
Last message by
Big_Earl619
2
Replies
3K
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B
Disconnected multimeter - AC Voltage : RF pick from PC power supply ?
Last message by
bthomas
10
Replies
3K
Views
mahammadmahdi
The problem of Power Supply Current Regulator.
Last message by
mahammadmahdi
8
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2K
Views
M
Charge a battery with electromagnetic induction
Last message by
AnalogKid
10
Replies
5K
Views
V
Short circuit Battery protection/motor; problem
Last message by
Vindhyachal Takniki
3
Replies
2K
Views
Joelonthegc
How to wire 4 torch LEDs on one circuit without 12 x AAA batteries
Last message by
#12
7
Replies
2K
Views
J
Help with overheating in battery charger circuit
Last message by
JJM101
10
Replies
4K
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Md Napie
Variable power supply with touchscreen interfaces
Last message by
Brownout
3
Replies
1K
Views
I
Looking for simple, low power & cheap audio amp ICs
Last message by
ian field
9
Replies
3K
Views
S
The 12 vdc to AC MSW power inverter I fixed, a desktop PC has troubles seemingly running using it.
Last message by
Hypatia's Protege
6
Replies
2K
Views
6
  • Locked
How to increase the life of a battery
Last message by
bertus
13
Replies
4K
Views
tjohnson
How to increase thrust of battery-powered hovercraft
Last message by
shortbus
2
20
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10K
Views
Aris Santas
Power 120V AC Wall Outlet with Potato Battery
Last message by
Kermit2
2
25
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9K
Views
H
Portable Batteries and Mobile Chargerging
Last message by
TheButtonThief
2
Replies
806
Views
T
LM338 Constant Current for Battery Charging
Last message by
SgtWookie
5
Replies
4K
Views
Todd W. Roat
Traffic light newbie question: power
Last message by
Todd W. Roat
5
Replies
953
Views
K
Detecting which component failed in laptop power circuit
Last message by
Korime
4
Replies
2K
Views
Marcus2012
Li-ion battery charging while in use
Last message by
Marcus2012
2
Replies
1K
Views
T
Help: Sound activated 12v LED strip lights powered by battery packs on a flagpole.
Last message by
simpson89
8
Replies
7K
Views
Z
Constant voltage from battery
Last message by
tcmtech
8
Replies
2K
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