Skip to main content

All Questions

Tagged with
Filter by
Sorted by
Tagged with
3 votes
2 answers
4k views

Can you power a smartphone (no battery at all) by a power supply alone?

I have a project in mind, where I need alot of parts that quickly would make this project really expensive. Then I thought that, all the parts I need is already in a smartphone, but I don't need a ...
Repeller's user avatar
2 votes
5 answers
444 views

How to power up 50 LEDs? (DIY 'fireflies' project)

I want to install lots of tiny LEDs lights in my garden (at least 50). I DON'T want high voltage cables in my garden so I am thinking in getting a high power, low voltage transformer to power up these ...
IceCold's user avatar
  • 834
5 votes
3 answers
10k views

Safety when using ATX power supply as benchtop supply

I found many pages where people convert an ATX power supply to a benchtop power supply to give 12, 5, 3.3V. However the current output can be very high (several amps). When using this and you NEED ...
dnh37's user avatar
  • 253