Login
Remember
Register
Questions
Unanswered
Tags
Users
Ask a Question
Ask a Question
How do you build a 5v DC power supply?
0
votes
asked
Dec 23, 2020
by
will
(
420
points)
How do you build a 5v DC power supply?
12v
will
Please
log in
or
register
to answer this question.
1
Answer
0
votes
answered
Dec 23, 2020
by
usbwallsockets
(
300
points)
It is Ohm's law. Your device is R and 12/
5V
is V. Current is decided by Ohms law, I=V/R. With
12V
your device
will
draw double the current and gets heated up because all current limiting values of your device are calculated for
5V
source.
Please
log in
or
register
to add a comment.
Related questions
0
votes
1
answer
How do I convert 7805 to 12v to 5v?
asked
Jun 17, 2020
by
will
(
420
points)
12v
will
0
votes
1
answer
Can I use a 5v power supply on a 12v?
asked
Oct 13, 2020
by
5vadaptor
(
240
points)
5v adaptor
12v
adaptor
0
votes
1
answer
Can I use a 12v power supply on a 5v?
asked
Nov 27, 2019
by
adapter
(
880
points)
use
adapter
can
12v
0
votes
1
answer
What power supply do I need for Arduino Uno?
asked
Jun 9, 2021
by
arduino
(
3.7k
points)
can
power
arduino
12v
0
votes
1
answer
Can Arduino UNO run on 12v?
asked
Nov 28, 2019
by
arduino
(
3.7k
points)
12v
arduino
will
0
votes
1
answer
Do LED lights use AC or DC power?
asked
Jul 7, 2021
by
ledsdraws
(
120
points)
leds draws
12v
leds
draw
0
votes
1
answer
How do you build a power supply for a circuit?
asked
Dec 15, 2020
by
powersupplies
(
480
points)
three
power supplies
the three
power supply
power
0
votes
0
answers
How do you make a 5V power supply with a 7805?
asked
Mar 14, 2021
by
voltageregulator
(
460
points)
7805
voltage
0
votes
1
answer
What is a 12v DC power outlet?
asked
Nov 28, 2019
by
power
(
1.5k
points)
12v socket
12v
power outlet
power
0
votes
1
answer
What is 5v DC power supply?
asked
Jul 29, 2020
by
5vdcpowersupplies
(
200
points)
power supplies
17.3k
questions
16.1k
answers
7.1k
users
Hotenda Hot
GRM155R71C104KA88D
GRM155R71A104KA01D
GRM155R61C104KA88D
GRM155R61A104KA01D
GRM155R61A105KE15D
GRM155R61C105KA12D
GRM155R61E104KA87D
GRM155R61E105KA12D
CL10A106KP8NNNC
CL10A105KA8NNNC
...