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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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Common Anode Seven Segment Display Decimal Counter PCB Design

 


Introduction

In the image above, you can observe a PCB featuring a common anode seven-segment display counter. The counting functionality, ranging from 0 to 9, is facilitated by the CD4026 IC. Notably, two 74HC04 NOT gate ICs are incorporated into the design, serving to invert the outputs of the CD4026 IC. This inversion is necessary since a common anode seven-segment display cannot be directly operated with the CD4026 IC. To operate this PCB successfully, connect it to a DC 5-volt power source.

Front or Top Side View

In the image below, you can see how this PCB will appear from the top or front side after manufacturing. The components are clearly visible on the top side of the PCB in the provided image.

Bottom or Back Side View

In the image below, you can see how this PCB will look from the back or bottom side after manufacturing. On the bottom side, you can observe the appearance of all solder pads.

How to Download Gerber File

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


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