Converting a 9v Battery powered Device to a 9v dc power supply
423
Choosing power supply, how to get the voltage and current ratings?
42152
Adding DC voltages of PSU
138662
How can I run a DSLR from AC power?
142418
Can you split power between two voltage regulators?
77631
Powering Arduino from a voltage divider
121317
Parallel connection of DC DC Converters with different output to charge the battery
117910
How to drive multiple LEDs from a Li-ion battery (with varying voltage)?
151905
Powering circuit directly from USB while charging li-ion battery side by side
140532
LED as power generator
75150
Would a 9V alkaline power a 12V DC motor?
79771
MCU 3.3v to 5v Relay Driver, MOSFET or BJT
134426
How do I convert, lower, or raise voltage?
33777
home socket with DC voltage
156300
USB data transfer with a separate power source
12033
What would happen if I connect two different DC voltage sources in parallel?
116874
Connecting two power supplies with almost like voltages to an amplifier in parallel
28292
Making dual power supply from single for opamp?