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Results tagged with power-supply
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user 45281
An electronic device that supplies electrical energy to a load. It can be AC or DC input. Typically DC output.
0
votes
Combine 9V and 1.5V power supplies to make a 7.5V supply
This is more of a shopping question. That said, your reason for not using one supply is cost. A PS like that is really cheap. Here is one of hundreds of examples for only $7.
Buying one supply is goi …
- 2,393
0
votes
How are these RC values calculated in this buck converter?
I believe they don't give you formulas to calculate it because it depends on the system you're trying to control. It is there just to slow down the signal so the PWM comparator won't oscillate. If the …
- 2,393
1
vote
How can I seamlessly switch power supplies?
You can't just connect a solar panel to the rPi. You will need a controller that regulates the solar panel voltage. Otherwise in too much sun your panel could spike up well above 12V.
I think you ca …
- 2,393
2
votes
Accepted
Confusion: Power Bank and Mobile Charging
The power bank is rated for 10.4Ah. To get the WattHours of the device out you must multiply the capacity of the battery by its nominal voltage (not 5V, the output voltage). For a lithium cell, this i …
- 2,393
2
votes
How to limit inrush current?
The other answers are good but if you prefer a one component solution there exists Inrush Current Limiters.
I've used them before to prevent fuses blowing when hot-plugging the power supply. Their op …
- 2,393
2
votes
30A power connector
Of course it matters. You need to give more information though. Current requirements, power requirements, voltage requirements, which connector you are talking about. If you pull 40A through a 30A con …
- 2,393
1
vote
Converting a 9v Battery powered Device to a 9v dc power supply
If the current rating of the supply meets or exceeds the current demand of the mixer it should be fine. For your example as long as the mixer needs 1A or less, it will work.
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