eel4746_avr_piano

For our Microprocessor's class final project, we chose to make a chiptune piano using AVR C on two Arduino UNOs.
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commit df435bf68bacbad4323d2ac8eaa5ed2485aa7cda
parent 9fd8a7245723f4bd98fe0017656b649cf6774d47
Author: Vineet K <git@vineetk.net>
Date:   Sat, 30 Mar 2024 13:00:44 -0400

add notes from testing the speaker with an espotek labrador

Diffstat:
Mnotes.md | 10++++++++++
1 file changed, 10 insertions(+), 0 deletions(-)

diff --git a/notes.md b/notes.md @@ -21,3 +21,13 @@ ## 2024-03-28 ![](2024-03-28_notes.jpg) + +## 2024-03-30 +- the speaker was tested with a function generator (from the + EspoTek Labrador) outputting a square wave of varying frequency +- it is painful above a frequency of 12 kHz and just creates clicks + below 30 Hz +- it is louder at certain frequencies and quieter at others, and this + is not a linear relationship + - the speaker's datasheet has a graph of this which can be used to + adjust the speaker's volume at the problematic frequencies