DIY Cheap Power Supply

3D Printer (generic)

Hot glue gun (generic)

Arduino Uno Rev3

Soldering iron (generic)

<h3 >DIY Cheap &amp; Portable Power Supply Version 1.0</h3><p >There are a lots of power supplies in market but those are too expensive for a Arduino beginner or a hobbyist. So I decided to make a good looking and cheap power supply out of cheap modules. </p><p >The power Supply must be handy as well as powerful. </p><figure><img src=https://projects.arduinocontent.cc/20e78e0f-4ab9-4db8-8736-1b707fedfb81.jpg /><figcaption> </figcaption></figure><p >So I started with making a voltmeter using 7107 IC (4- 7 segment display compatible). </p><p ><span >I created a circuit Diagram using </span><a href="http://EasEDA.com">EasEDA.com</a><span > and created a schematics and then created a PCB design for the same and ordered my PCBs from </span><a href="http://jlcpcb.com">jlcpcb.com</a><span > because they provide best quality PCBs in the market.</span></p><p ></p><div class="se-component se-video-container __se__float-none" contenteditable="false" style="width: 100%;"><figure style="width: 100%; height: 56.25%; padding-bottom: 56.25%; margin: 0px;"><iframe frameborder="0" allowfullscreen="" src="https://www.youtube.com/embed/4MPv3XTdqu0" data-proportion="true" data-percentage="100%,56.25%" data-size="100%,56.25%" data-align="none" style="width: 100%; height: 100%;" data-index="0" data-file-size="0" data-origin="100%,56.25%"></iframe></figure></div><p ><span >All the schematics and PCB design can be downloaded from </span><a href="http://www.robocircuits.com">www.robocircuits.com</a></p><p ><span >Link to files - </span><a href="http://www.robocircuits.com/digital-voltmeter-without-arduino/">http://www.robocircuits.com/digital-voltmeter-without-arduino/</a></p><p >Then for making the power supply I printed a 3D enclosure for the PS and get it printed by a local 3D printer. </p><p >Then I grab some components: </p><p ><span >1. Voltmeter - </span><a href="http://www.robocircuits.com/digital-voltmeter-without-arduino/">http://www.robocircuits.com/digital-voltmeter-without-arduino/</a></p><p ><span >2. Buck converter - </span><a href="https://amzn.to/2RfWbcG">https://amzn.to/2RfWbcG</a></p><p ><span >3. Banana connector and socket - </span><a href="https://amzn.to/2SjHiDr">https://amzn.to/2SjHiDr</a></p><p >4. LiPo battery </p><p ></p><div class="se-component se-video-container __se__float-none" contenteditable="false" style="width: 100%;"><figure style="width: 100%; height: 56.25%; padding-bottom: 56.25%; margin: 0px;"><iframe frameborder="0" allowfullscreen="" src="https://www.youtube.com/embed/aaHe4DhJuiE" data-proportion="true" data-percentage="100%,56.25%" data-size="100%,56.25%" data-align="none" style="width: 100%; height: 100%;" data-index="0" data-file-size="0" data-origin="100%,56.25%"></iframe></figure></div><p >Hope you find this article useful.</p><p >Thank you!  </p>

DIY Cheap Power Supply

A portable power supply for your lab bench.