Connecting two power supplies and preventing reverse feeding either
62968
OR-ing power supplies (diode or mosfet)
107150
How to prevent DC motor from dropping voltage of supply when switching on
58516
Limiting the short circuit current of a power supply
5328
Source switch between two batteries
40435
Is it safe to connect two MCU pins directly to each other?
76415
Sharing my 240V 30amp between two dryers
32938
how to hard-bypass the input of a line driver with a switch?
151905
Powering circuit directly from USB while charging li-ion battery side by side
100783
How to limit current of an AC signal
135765
Power supply noise problem in a measurement system
116874
Connecting two power supplies with almost like voltages to an amplifier in parallel
12515
Class II isolated power supply (wall wart) -- referencing the output to mains neutral?
91831
Using series of LM 78XX for power supply
156300
USB data transfer with a separate power source
131932
How to create bipolar power supplying from Powerbank 5V 3A
156010
Using a diode to ensure current flows in only one direction, without causing a voltage drop
44127
What are the ways to make a dual power supply from a single voltage source?