Choosing right power supply
93477
Does LED brightness change with voltage?
77276
What would happen if I choose a connector with current rating smaller than the actual current?
23833
Can I use a power adapter with more current but lower voltage on another laptop?
69759
Which has better efficiency: step-up or step-down switching voltage regulator?
157892
Which version of Ubuntu will work on my PowerPC?
149073
How do I choose a ferite bead for power supply filtering?
5379
Choosing the right transistor for a switching circuit
47634
What to look for in the datasheet when choosing a MOSFET?
127846
Integrated voltage regulator chip versus discrete circuit utilizing op-amps and power BJTs for DIY bench power supply
58516
Limiting the short circuit current of a power supply
146748
How can I tell if an AC adapter is compatible with my laptop?
62968
OR-ing power supplies (diode or mosfet)
18771
Switch between 5V power supplies?
51
Is it normal for DC wall adapter power supplies to provide voltages above the nominal ones?
127054
Power supply for toothbrush motor
39483
Is the 4-pin PSU connector required? (Trying to connect a PSU to a mini case.)
51534
selecting the correct battery