0-24v 3A Variable DC Power Supply using LM338 - Circuit Digest The complete circuit of this Variable Power Supply is shown below, Follow the Schematics and solder you components accordingly. As shown in schematics the variable voltage of 1.5 to 24V is mapped to 0-4 by using potential divider circuit, since our Arduino can 24V 5A Power Supply | Circuit Diagram The figure below shows a project / schematic of a 24V 5A power supply circuit using LM7824 voltage regulator IC and TIP2955 transistor. This is an ideal circuit to use where you have requirements of Variable Power Supply 0-24V | Electronic Circuits The circuit described here is of an economical smooth variable power supply which offers 0V to 24V. It provides all controls and short circuit protection with acceptable regulation and a ripple free supply and yet uses very few components. How to Use LM317 for Making a Variable Power Supply Circuit As the name suggests a variable power supply circuit provides the user with a range of linearly varying output voltages through a manually controlled potentiometer rotation. A LM317 is a versatile device which helps an electronic hobbyist to build a variable voltage power supply quickly, cheaply and very efficiently.
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