Is it possible to use a 12V 3,35A power supply to power a 20V 2,5A device?
423
Choosing power supply, how to get the voltage and current ratings?
137407
Switch between two power supplies
91831
Using series of LM 78XX for power supply
88894
Why does a 12V 2A adapter measure only 0.358A on a multimeter?
2774
Stepping up 3V to 5V
79771
MCU 3.3v to 5v Relay Driver, MOSFET or BJT
134229
Powering a WS2812B strip
91437
Amplifying 10-30mV into at least 5V
7126
Will my 320W PSU handle a Asus GTX 750Ti
126221
Can this AVR MCU with 5V I2C work with this sensor with 3.3V I2C?
89981
Can I safely connect the power-only-end of a USB-Y cable to an other power source?
18771
Switch between 5V power supplies?
44127
What are the ways to make a dual power supply from a single voltage source?
68560
Is it safe to use a power supply with a different laptop?
12033
What would happen if I connect two different DC voltage sources in parallel?
37100
Using a higher current charger on a laptop which requires a lower current
67432
Can connecting of AC adaptor first into device, then into mains pose a risk of voltage spike?