12V to 5V Converter Circuit - Simple Electronic Project
Introduction
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Diagram of 5V Power Supply Circuit
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Components Needed for this Project:
You can get the components from any of the sites below:
- LM317 Voltage Regulator [See Buy Click Amazon]
- 1k Ohm Resistor [See Buy Click Amazon]
- 330 Ohm Resistor [See Buy Click Amazon]
*Please note: These are affiliate links. I may make a commission if you buy the components through these links. I would appreciate your support in this way!
Related Basic Electronic Mini Project Circuit Diagram:
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Working Principle
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Frequently asked questions
Connect 12v +ve voltage to 7805 input pin and -ve to 7805 GND pin. You will get the output of 5v at the output pin. You can also give 18v or 12v as input voltage.
In this video, I made a 12v to 5v Regulator using LM317. This Circuit is Easy to make. You can build a resistor divider. You can get a linear voltage regulator and build a power supply around it. You can use a Zener diode.
Our task is to step down 12v into 5v. so, we are going to use a 1k ohm resistor and a 330-ohm resistor. Connect one end of the 1K ohm resistor to the 12v supply and the second to any other hole of the breadboard.
You can use resistors in the ratio of the voltage on the Resistor 22 will be 5.07V approx. This method will only be useful if you want to sense the presence of a 24V voltage supply.
A 5V LED must not be run on a 12V DC Line. But there are lots of options to convert 18V to 5V. As Jason Vaughan notes, a USB charger intended for a car will do a good job - unless you need a lot of power supply.
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