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====== Chemical etching a circuit board ======

Chemical etching circuit boards isn't that hard.  Below, I walk through the steps.

First, design the circuit board using a pcb software of your choice.

{{:projects:2014:chemicaletching:original.jpg?direct&200|}}

Second, convert the image to monochrome of the traces only.

{{:projects:2014:chemicaletching:monochrome.png?direct&200|}}

Use a vinyl cutter to cut out the traces and transfer the vinyl to a copper pcb board.  

{{:projects:2014:chemicaletching:20140527_164216.resized.jpg?direct&400|}} 

Place the copper (with vinyl mask) into the etching bath.  Remove it after the exposed copper has been etched away.

{{:projects:2014:chemicaletching:20140527_170752.resized.jpg?direct&400|}} 

Use a drill and small drill bit to drill the through-holes on the board.

{{:projects:2014:chemicaletching:20140528_131752.resized.jpg?direct&400|}} 

Solder the final components.  

{{:projects:2014:chemicaletching:finalboard.png?direct&400|}}

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