They provide a fixed regulated power supply. We have 78XX (7805, 7806, 7812 etc) series voltage regulators for positive power supply and 79XX for negative power supply. But what if need to vary the ...

Simple 5V power supply for digital circuits This circuit is a small +5V power supply, which is useful when experimenting with digital electronics. Small inexpensive wall transformers with variable ...

The circuit diagram and working of Variable Voltage Power Supply from Fixed Voltage Regulator is explained in detailed manner. The voltage regulator is used to offer fixed voltage at the output ...

The main goal of this project is indeed to build a bench power supply, but I really wanted to provide a complete ... This choice was made for several reason, the biggest one being that Arduino has ...

To use it as such, you need a USB cable and a 5V power source. In the case of the Arduino Nano ... simple circuits like LEDs, PIR motion sensors, and other small loads. And yes, the supply ...

“Supplino is a Quick & Dirty PSU (Power Supply Unit) made with some widely available breakout boards, an Arduino Nano (or an Arduino ... or on alarm events (short circuit/under voltage, over ...