Powering a Raspberry Pi using 15A supply
423
Choosing power supply, how to get the voltage and current ratings?
91831
Using series of LM 78XX for power supply
68560
Is it safe to use a power supply with a different laptop?
109569
Split power supply for a multiple op amp circuit
72043
Automatic switching between external 5V and USB bus power supplies
135049
Is it safe, or even possible, to draw more power from a USB port than it was designed to provide
145316
Paralleling power supplies for higher current
113652
Calculate capacitor to hold up current limited supply
100157
Running 2 5V USB battery power packs, Can I use them in parallel
40711
Getting higher power output by using more resistors
128201
3 Contact Laptop Power Supply
28182
Two power supplies in one machine
51
Is it normal for DC wall adapter power supplies to provide voltages above the nominal ones?
92255
How can I use a 12 V input on a digital Arduino pin?
137995
Powering a circuit from either USB or LIPO
39483
Is the 4-pin PSU connector required? (Trying to connect a PSU to a mini case.)
138662
How can I run a DSLR from AC power?