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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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Half Adder Using BJT or Transistor PCB Design


Introduction

This is a PCB design of a half adder using BJTs. In this PCB, you can see two output LEDs. The first LED indicates the sum output, and the second LED indicates the carry output. The two slider DIP switches are connected to the input. This PCB has two header connectors to connect it to a 5V DC power source.

Working of this PCB

When we connect this PCB to a 5V DC power source, it will start working. When we turn the input slider DIP switches on and off according to the truth table below, the PCB will produce outputs according to the truth table, and the output LEDs will glow accordingly.

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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