Teensy 4.1 MIDI Drum Project

evmo

New member
Hello,

I am new to this forum. Thank you for all the very useful information shared here.
(I am using a translator because I am not very comfortable with English.)
A little background about my experience:
I am a beginner, but I am determined to learn! So far, I have only built prototypes for music/MIDI projects using an Arduino Leonardo.
I eventually ran into the memory limitations of the board (especially when using ToF sensors), so I decided to switch to a Teensy 4.1, which seems to be ideal for audio and MIDI applications.
My current project is to build several piezo pads that will trigger sounds in Ableton Live via MIDI.
I understand that the Teensy is more sensitive to the voltage spikes generated by piezo sensors, and I would like to avoid making any mistakes.
I have done a lot of research, and before starting my tests, I would like to know if the following circuit is suitable for this application.
Thank you in advance for your help.
 

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  • Circuit_ok piezo.png
    Circuit_ok piezo.png
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Yes I think so - Schottky diodes are better due to their lower on-voltage. You might want to bias the input to mid rail rather than ground though.
 
Hello, thank you very much for your feedback. I’m going to run some tests. Have a great day, and thanks again!
 
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