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Last super bowl Sunday, instead of checking the game, Mattw decided to extend a design and make a PCB of a trinket clone. Mattw altered a trinket clone design by MorganPenfieldRedfield to shrink it down, perforated the USB connector to allow for easy removal and put most of the parts on a single layer.
After finalizing the design, Mattw put it into the LPKF Protolaser S that Seattle’s Metrix Create Space has. For those of you who don’t know, the LPKF protolaser uses a laser to directly ablate off the copper from the boards. This makes prototyping much faster without the need for a lot of nasty chemicals.
About six minutes in the Protolaser, some component placement by hand followed by a run through their reflow oven and Mattw had three boards ready to be tested. All told, about 4 hours from start to finish.
The end circuit looks great and the LPKF protolaser gives us a case of serious tool envy. If you’re like us and don’t have access to the fancy laser you might try our hand at this high-resolutino photo-etch process.
Angelo
2017/2/13 8:10:32
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