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== '''DIY PCB Etching : Using Chemicals''' ==
 
== '''DIY PCB Etching : Using Chemicals''' ==
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Chances are you've probably seen a PCB before and it might of looked a little something like this
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[Insert a picture of an example of a PCB maybe a Raspberry Pi or an Arduino etc]
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The most important part of a PCB is the ''traces'' which connect the components to each other.
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These ''traces'' made in a CAD program for PCBs like : Eagle CAD , KiCAD etc
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[Insert Picture of traces here]
  
 
This tutorial will show you how to make a simple single sided PCB using a chemical method.
 
This tutorial will show you how to make a simple single sided PCB using a chemical method.
In summary the traces will be transferred and covered in a solid copper board , then the parts of copper not needed will stay exposed.
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In summary the traces will be transferred and covered in a solid copper board , then the parts of copper not needed will stay expoxed.
 
Finally the parts not needed will be removed with chemicals.  
 
Finally the parts not needed will be removed with chemicals.  
  
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[Insert picture of before and after here ]
  
 
[[File:PcbDone.jpg]]
 
  
 
== '''Materials Needed''' ==
 
== '''Materials Needed''' ==
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* Use WetorDry paper / fine sand paper to clean the PCB under water until it turns pink
 
* Use WetorDry paper / fine sand paper to clean the PCB under water until it turns pink
 
[[File:Sandingboard.jpg]]
 
 
 
* Wipe off water with a clean towel
 
* Wipe off water with a clean towel
 
* Use acetone to remove oils from PCB  
 
* Use acetone to remove oils from PCB  
  
[[File:AcetoneClean2.jpg]]
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[ insert Cleaning pics here]
 
 
 
 
  
  
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* Make sure the export file is mirrored. The Laser Printer toner is going to 'transfer' to the surface of the copper clad and become unmmirrored in the process
 
* Make sure the export file is mirrored. The Laser Printer toner is going to 'transfer' to the surface of the copper clad and become unmmirrored in the process
 
      
 
      
[[File:Tracesprinted.jpg]]
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[insert printing pics here]
  
  
 
'''3) Transferring the Traces to the PCB:'''
 
'''3) Transferring the Traces to the PCB:'''
  
*Press down the glossy paper with the design onto the copper PCB  
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  - Press down the glossy paper with the design onto the copper PCB
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  - Use a hot iron to press down glossy paper to the PCB [INSERT PIC HERE OF IRON PRESSED]
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  - After the glossy paper stick onto the PCB submerge the two in a tray of water and gently press down the paper so it peels off leaving the trace on the PCB  
  
[[File:Tracestransfer.jpg]]
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  [insert PCB iron down pic here]
 
 
*Use a hot iron to press down glossy paper to the PCB
 
[[File:Tracestransfer2.jpg]]
 
 
 
*After the glossy paper stick onto the PCB submerge the two in a tray of water and gently press down the paper so it peels off leaving the trace on the PCB
 
 
 
[[File:Traceswaterdip.jpg]]
 
 
 
*Once the paper starts to peel off under the water feel free to use your finger to gently peel the paper from the copper board
 
 
 
[[File:Tracespeel.jpg]]
 
 
 
*If after peeling the paper , white paper is still on the board re-dip the board into the water and rub off the remaining paper with your finger
 
 
 
[[File:Tracesrewater.jpg]]
 
 
 
*Dry off any water
 
  
  
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'''4) Get Rid of the remaining Copper'''
 
'''4) Get Rid of the remaining Copper'''
  
*Place the board into a tray
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  - Place the Ferric Chloride Solution Bottle  inside tray of hot water (this will heat the solution and make the PCB copper to be dissolved faster)  
 
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  - Pour some of the solution into a tray along with your PCB  
[[File:Chemicalprep.jpg]]
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  - Check the PCB every 5 or so minutes to check if the copper has been fully removed
 
 
*Place the Ferric Chloride Solution Bottle  inside tray of hot water (this will heat the solution and make the PCB copper to be dissolved faster)  
 
 
 
[[File:Heatingchemicals.jpg]]
 
 
 
* Pour some of the solution into a tray along with your PCB  
 
 
 
[[File:Chemicaladdit.jpg]]
 
 
 
* Check the PCB every 5 or so minutes to check if the copper has been fully removed
 
[[File:Chemicalalmostdone.jpg]]
 
 
 
 
 
 
 
'''5) Finishing Up'''
 
* Finally wash off the ink and you should be left with only copper lines on top of the traces printed
 
  
[[File:PcbDone.jpg]]
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[insert PCB blood water pics here]

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