How do I run a 12V 450mA DC motor using a 12V 1A DC adapter?
423
Choosing power supply, how to get the voltage and current ratings?
112453
In HLW8012 where should I connect the reference voltage (GND)
80530
Is building a DC-DC PSU PWM controller from discrete components a terrible idea?
82807
How does an LM7805 voltage regulator work?
35421
How do I convert 9 V DC to 5 V?
137995
Powering a circuit from either USB or LIPO
153381
How do I design a 2A or more power supply for my consumer USB devices?
51
Is it normal for DC wall adapter power supplies to provide voltages above the nominal ones?
42152
Adding DC voltages of PSU
77631
Powering Arduino from a voltage divider
95587
How can I safely prototype a mains power circuit?
80781
Can a 20V 4.51A power supply be used with a computer that requires a 19V 3.42A power supply?
14196
Is it safe to implement a split power supply from two identical AC/DC adapters?
28182
Two power supplies in one machine
12033
What would happen if I connect two different DC voltage sources in parallel?
48777
Resistor requirement for 3.3v
15042
What amp rating of 24vac transformer for LM317T?