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Old 05-02-2019, 11:19 AM   #1
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Default Discussion: Audio spectrum analyzer on PIC32

This simple audio spectrum analyzer is based on PIC32 proto board on PIC32MX360F512L with 320×240px colour LCD (LVC75Z779 Eval Board).* The analyzer can be connected to unamplified audio source like PC’s sound card, MP3 player and so on. SSD1928 Module Schematic diagram Click to enlarge The reference voltage of ADC is set to 1V with potentiometer connected to Vref+ pin of PIC32.
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Old 05-02-2019, 11:19 AM   #2
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Thank You for this project, it's working well for me as well. As I noticed, the lowest frequency begins at about 190 Hz. Is it any possibility it begin at 60 Hz, or 100 Hz?
Thank You in advance
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