Mike Hibbett

IRELAND, REPUBLIC OF • + Follow

Nikita Viktorovich Kuzovkin

RUSSIAN FEDERATION
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Description

Practical Electronics PicNMix May 2020 PCB - Audio Spectrum display

Using a dsPIC33 DSP processor, the circuit combines an electret microphone and a low cost 320 x 240 colour graphics LCD panel. Two buttons allow the trace to be held, and the span of the display to change between 500Hz and 20KHz.

There is over 64KB of code space remaining to allow further enhancements - all code if freely downloadable from the magazine's website.

A demonstration of the circuit can be seen here: https://youtu.be/mGIGxUU9w1k

Download Gerbers

Feb 26,2020

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Practical Electronics PicNMix May 2020 PCB - Audio Spectrum display

2 Layers PCB 43 x 77.5 mm FR-4, 1.6 mm, 1, HASL with lead, Green Solder Mask, White silkscreen

This is the PCB as covered in the Practical Electronics magazine PicNMix column by Mike Hibbett, issue May 2020.

4024

Published: Feb 26,2020

Standard PCB

Download Gerber file 49

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