Category Archives: pcb

MSGEQ7 Spectrum Analyzer Kit

I have designed two PCBs for the MSQEQ7 based audio spectrum analyzer I described in my previous post. See it in action here: The boards are stacked on top of each other. The bottom one contains the analyzer, timer, and LED driver. … Continue reading

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How to Generate Gerber Files for Seeed Studio’s Fusion PCB Service

More a note to myself, but you may find this useful, too. Eagle design rules and cam job files Fusion PCB Order Submission Guidelines Next, unzip/runrar and move to eagle: $ mv SeeedStudio_2layer_DRU_no_angle_20140221.dru SeeedStudio_4layer_DRU_no_angle_20140221.dru \ /Applications/EAGLE-6.5.0/dru $ mv \ … Continue reading

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