Power Electronics

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Power supplies, power control, power sources/conversion, energy harvesting, battery charging, batteries, etc.
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M
LED strip works on power supply but stays solid color on battery power...why?
Last message by
Matt Faulty
2
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A
I need a complete Ckt. - Wireless GPRS with in-build battery
Last message by
Wendy
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1K
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R
ADC power off protection
Last message by
crutschow
11
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3K
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B
USB Bluetooth with battery
Last message by
BWBW
0
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838
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T
how long to charge two 12 v 200ah batteries connected in series
Last message by
MikeML
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2K
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S
LM3914 12V Battery Monitor Circuit
Last message by
Dodgydave
5
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3K
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A.Zanev
Voltage across diode with two power sources
Last message by
#12
9
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6K
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U
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AC DC Power supply
Last message by
mcgyvr
5
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3K
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C
Solar Circuits with Battery Back ups
Last message by
Bernard
3
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1K
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1
Batterys and mAh
Last message by
1213brett
3
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2K
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K
How to measure the amount of power/energy a lithium battery holds
Last message by
BobTPH
8
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2K
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G
Looking for component help- Electrofishing Boat Power Supply Box
Last message by
griffy1891
4
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1K
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A
Inverter and separate charger connected to Battery
Last message by
alkit
3
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5K
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vortmax
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Making power with old hard drives
Last message by
MrChips
10
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6K
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C
NiMh Batteries in Series (12v) Charger Question
Last message by
MikeML
2
27
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13K
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S
If we connect a long wire to a battery, will battery produce more electrons?
Last message by
WBahn
5 6 7
132
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16K
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A
notebook battery repair
Last message by
camerart
4
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3K
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toffee_pie
question about battery capacity, current and joules
Last message by
wayneh
2
24
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5K
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S
How can I power an aircraft coffee maker 115v 400 hz on household power?
Last message by
GopherT
6
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4K
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A
Solar to LM7805 to Powerbank
Last message by
nsaspook
2
22
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