Power Electronics

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Power supplies, power control, power sources/conversion, energy harvesting, battery charging, batteries, etc.
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machv5
re-purposed power supply and a small fridge that is powered by 12vDC
Last message by
machv5
0
Replies
543
Views
Kushimo Amosun Nurudeen
Help to build a pure sine wave inverter
Last message by
dendad
8
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3K
Views
B
can I power a external Piezoelectric Buzzer through a 555 output ?
Last message by
buju
19
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2K
Views
O
18V battery connecting to DC buck converter
Last message by
Opale7000
11
Replies
2K
Views
CamaLamaDD
Using a rectifier for a simple control circuit - will it work?
Last message by
dl324
7
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2K
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U
How to make a battery bank using old phone batteries
Last message by
oz93666
12
Replies
2K
Views
P A Yannopoulos
Opposite transistor PN2222
Last message by
ScottWang
11
Replies
2K
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guna sekaran 1
lithium ion battery charger
Last message by
dendad
5
Replies
812
Views
W
problem with MOSFET high-side switch
Last message by
olphart
6
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2K
Views
T
Safe power source for iontophoresis device?
Last message by
ian field
15
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10K
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I
SMPS Voltage output slowly goes down
Last message by
ebp
5
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6K
Views
Ri5ux
[Solved] HV Motor Control - Snubbers, Flyback Diode Possibly Insufficient
Last message by
Ri5ux
2 3
42
Replies
11K
Views
Phan Phan
need the help! -laser diode powersupply problem
Last message by
Phan Phan
2
Replies
931
Views
J
Old post on iontophoresis machinesHow to make a battery bank using old phone batteries
Last message by
jacojoubert
0
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677
Views
Aleph(0)
Rewinding 2'dary of toridal pwr xfmr?
Last message by
Hypatia's Protege
2
37
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6K
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L
Boost Up Converter; need higher voltage.
Last message by
LukeCircuit
16
Replies
3K
Views
Abdulaziz Almakhlafi
AC Motor Connection Help
Last message by
MaxHeadRoom
5
Replies
658
Views
computerlen
LED powered by phantom power supply
Last message by
wayneh
11
Replies
6K
Views
Hassan Wahaj Malik
Solar panel Cooling unit help
Last message by
be80be
4
Replies
1K
Views
E
Battery latch when power supply removed.
Last message by
avayan
4
Replies
1K
Views
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