Understanding the Raspberry Pi 3's power input circuit
67067
Understanding an 'ideal' diode made from a p-channel MOSFET and PNP transistors
49235
Does a power supply draw only as much power as it needs?
24236
What is the purpose of parallel RC network in the bridge rectifier output?
135501
Why isn't maximum current forced upon a circuit by a power source?
131961
What exactly fries the chip when you invert power supply?
132651
Transistors: Quiescent voltage and Active mode
28182
Two power supplies in one machine
72043
Automatic switching between external 5V and USB bus power supplies
95080
synchronous reset D flip-flop with three inputs
79771
MCU 3.3v to 5v Relay Driver, MOSFET or BJT
120429
What is the point of the transistor to drive the relay coil
107826
How to interpret the output of a 3-pin computer fan speed sensor?
5379
Choosing the right transistor for a switching circuit
74913
What's up with the operating voltages 5 V, 3.3 V, 2.5 V, 1.8 V, etc.?
78779
How to use a Raspberry Pi Pin(3.3V) to reset a ATMEGA328(5V)
104877
Electrical flow in a simple parallel circuit
139642
Water level indicator with PNP transistor