A bench power supply is an extremely handy bit of kit to have around for electronics hobbyists, but they can be expensive when purchased from the market. In this Instructable, I will show you, how to make a variable lab bench power supply with a limited budget.It is a great DIY project for beginners as well as any one interested in Electronics.The main objective of the project is to learn how a linear power supply unit works.In the beginning,to explain the working principle of a Linear Power…

How to Make a Bench Power Supply

15 A adjustable power supply circuit

This adjustable power supply circuit provides an output voltage source which can be adjusted between and 15 volts and give 15 amps current.

0-28V, 6-8A Power Supply circuit diagram using LM317 and 2N3055

0-28V, 6-8A Power Supply Circuit using LM317 and 2N3055

This article describes you how to design a variable power supply circuit which will provide 0 to at 6 to 8 amps.

Variable DC power supply 1-27V 3A circuit diagram

Variable DC power supply 1-27V 3A circuit diagram

This adjustable power supply circuit provides an output voltage source which can be adjusted between 1.5 and 15 volts and give 15 amps current. As is shown in the wiring diagram the 15 A adjustable…

This adjustable power supply circuit provides an output voltage source which can be adjusted between 1.5 and 15 volts and give 15 amps current. As is shown in the wiring diagram the 15 A adjustable…

Hello, everyone! This instructable is about a universal short circuit protection that I've designed to use in bench power supplies. I've designed it to fit in most power supplies circuits. In order to this circuit fit in your bench power supply, you will need to do some calculations, but don't worry, I'll explain everything on the next steps.

Short Circuit Protection for (almost) Any Power Supply

Hello, everyone! This instructable is about a universal short circuit protection that I've designed to use in bench power supplies. I've designed it to fit in most power supplies circuits. In order to this circuit fit in your bench power supply, you will need to do some calculations, but don't worry, I'll explain everything on the next steps.

0-28V, 6-8A Power Supply Circuit using LM317 and 2N3055

0-28V, 6-8A Power Supply Circuit using LM317 and 2N3055

This article describes you how to design a variable power supply circuit which will provide 0 to 28V at 6 to 8 amps. It is designed using LM317 and 2N3055.

0-28V, 6-8A Power Supply Circuit using LM317 and 2N3055

This article describes you how to design a variable power supply circuit which will provide 0 to 28V at 6 to 8 amps. It is designed using LM317 and 2N3055.

The core of the power supply circuit is LM338K. The scheme circuit 5A power supply with adjustable output voltage from 1.2 to 25V. Constr...

The core of the power supply circuit is LM338K. The scheme circuit 5A power supply with adjustable output voltage from 1.2 to 25V. Constr...

The high current LM317 power supply circuit shown down the page makes use of an supplemental winding or possibly a independent transformer to deliver power

The high current power supply circuit shown down the page makes use of an supplemental winding or possibly a independent transformer to deliver power

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