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[Camilo] built a spectrum analyzer to use with his audio system (translate). The hardware is quite simple, using an op-amp, microcontroller and LCD display. He chose an LMV324M low-voltage op-amp ...
Don’t get stuck with an unsafe boat needing costly repairs. Insure your 1993 Blue Fin Ind/Spectrum HD 1600 DLX C for just $100/year*. More freedom: You’re covered on all lakes, rivers and oceans ...