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Variable Voltage Power Supply Using LM317 PCB Design Gerber File

Introduction This is a PCB design of an LM317 IC-based variable voltage power supply. In this PCB, you can see two screw terminal blocks. The first screw terminal block is for input, and the second screw terminal block is for output. We can connect this PCB to any fixed DC power supply to convert a fixed DC power supply into a variable output voltage power supply. The maximum input voltage for this PCB is DC 35V. Working of this PCB Let's suppose we have connected the input of this PCB to the output of a DC 24V power supply. Now, we can get a variable output voltage from the output of this PCB. We can change the output voltage of this PCB by rotating the RV1 potentiometer. Front or Top Side View In the image below, you can see how this PCB will look from the front or top side when it is manufactured. Back or Bottom Side View In the image below, you can see how this PCB will look from the back or bottom side when it is manufactured. How to Download Gerber File You can download the G...
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XNOR Gate Using BJT PCB Design

 


Introduction

This is a PCB design of an XNOR gate using BJT. In this PCB, you can see two PCB screw terminal blocks one is green, and the other is blue. The green PCB screw terminal block is for connecting this PCB to a DC power source and the blue PCB screw terminal block is for taking the output of this PCB or circuit. A blue LED is also connected to the output of this circuit to indicate the output.

Working of this PCB

When we connect this PCB to a 5V DC power source, it will start working. By turning the input DIP switches ON and OFF according to the truth table below, this PCB will provide the output according to the truth table and the blue LED will also turn ON and OFF according to the truth table output.

Truth table



Front or Top Side View

In the image below, you can see how this PCB will look from the front or top side when it is manufactured.


Back or Bottom Side View

In the image below, you can see how this PCB will look from the back or bottom side when it is manufactured.

How to Download Gerber File

You can download the Gerber file of this PCB from the below download link. Along with the Gerber file, you will also receive the schematic file of this PCB.


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