Dual power supply from a single AC adaptor
44127
What are the ways to make a dual power supply from a single voltage source?
80530
Is building a DC-DC PSU PWM controller from discrete components a terrible idea?
77631
Powering Arduino from a voltage divider
142418
Can you split power between two voltage regulators?
81099
Laptop charger leaks AC while giving DC voltage at the same time. How?
104566
Can I install two independent gfci outlets in one double-gang box?
145553
4-20mA to 0-3V3 Converter
37767
DC power supply for 30A motor driver
33777
home socket with DC voltage
37100
Using a higher current charger on a laptop which requires a lower current
131932
How to create bipolar power supplying from Powerbank 5V 3A
62968
OR-ing power supplies (diode or mosfet)
128201
3 Contact Laptop Power Supply
36224
Grounded AC-DC power supply, what connects to earth ground?
12176
Can I use two 7805 ICs in parallel to get double current capacity?
127846
Integrated voltage regulator chip versus discrete circuit utilizing op-amps and power BJTs for DIY bench power supply
37729
What's a simpler way to switch between power sources?