Power Electronics

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Power supplies, power control, power sources/conversion, energy harvesting, battery charging, batteries, etc.
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charliejo
Can I charge my 24 volt mobility scooter with a 12 volt charger without charging individual battery
Last message by
ian field
6
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11K
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Scott Waschlerner
The dell power supply D3D1C makes very loud noise.
Last message by
GopherT
3
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1K
Views
A
Optimum switching frequency for power transfer in non-inverting buck-boost
Last message by
Kermit2
9
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2K
Views
P
How could I automatically power off a sound board after the audio has played through?
Last message by
crutschow
2
22
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3K
Views
H
Help: Building a bicycle power system circuit DIY
Last message by
hargisbb
14
Replies
3K
Views
Guest3123
Turn off Mains power when temperature is met
Last message by
Guest3123
2 3
40
Replies
7K
Views
jonnydolt
Battery size
Last message by
Bernard
16
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2K
Views
S
Make a smallest AC>DC power supply
Last message by
AnalogKid
6
Replies
1K
Views
RodneyB
Battery charging in parallel
Last message by
JMW
2
34
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9K
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E
Getting the most out of a AA battery in 60 seconds before discharging
Last message by
tcmtech
8
Replies
2K
Views
M
Driving 3V motor on low voltage AA batteries to close a valve?
Last message by
wayneh
16
Replies
3K
Views
C
powering a turntable AC21v engine from dismantled microwave
Last message by
ian field
2
24
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12K
Views
S
battery ground fault protection
Last message by
slackguy
14
Replies
4K
Views
N
Lab power supply - Voltage on negative terminal
Last message by
AnalogKid
5
Replies
3K
Views
B
Servo delay chain with ATtiny85 - power supply question
Last message by
Bontempos
0
Replies
2K
Views
Glenn Holland
Question About A Fault In Power Transmission Line
Last message by
alfacliff
2
Replies
1K
Views
M
Using eBay Digital Ammeters to measure current in a bipolar power supply
Last message by
paulktreg
3
Replies
2K
Views
hp1729
High power LEDs for general lighting.
Last message by
paulktreg
1
Replies
856
Views
C
Draw schematic for old school power supply
Last message by
ronv
9
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2K
Views
N
How do I wire this DC power transformer?
Last message by
ScottWang
7
Replies
3K
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