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audio test

master
Kristin Galvin 2020-01-19 17:12:21 -08:00
parent 4ab164b373
commit c99d1d2be8
1 changed files with 5 additions and 4 deletions
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7
apps/stetho/stetho.js
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@ -13,12 +13,13 @@ function freq(f) {
if (f===0) digitalWrite(SPEAKER_PIN, 0); if (f===0) digitalWrite(SPEAKER_PIN, 0);
else analogWrite(SPEAKER_PIN, 0.5, {freq: f}); else analogWrite(SPEAKER_PIN, 0.5, {freq: f});
} }
freq(1000);
freq(1500);
freq(0);
function readHRM() { function readHRM() {
freq(1000);
freq(1500);
freq(0);
var a = analogRead(D29); var a = analogRead(D29);
var h = getTime(); var h = getTime();
min=Math.min(min*0.97+a*0.03,a); min=Math.min(min*0.97+a*0.03,a);