Difference between revisions of "LM386"

Revision as of 13:57, 3 April 2025

@@ Line 29: / Line 29: @@
 # R2	1 ~ 10K	Microphone load resistor
 # VSS	4 ~ 12V	Supply voltage
-== Demo Code ==
-* Only generate very simple sound for testing.
-<syntaxhighlight lang="Arduino">
-#define SOUNDOUT_PIN 9
-void setup(void){
-  //Set the sound out pin to output mode
-  pinMode(SOUNDOUT_PIN,OUTPUT);
-}
-void loop(void){
-  //Generate sound by toggling the I/O pin High and Low
-  //Generate a 1KHz tone. set the pin high for 500uS then
-  //low for 500uS to make the period 1ms or 1KHz.
-  //Set the pin high and delay for 1/2 a cycle of 1KHz, 500uS.
-  digitalWrite(SOUNDOUT_PIN,HIGH);
-  delayMicroseconds(500);
-  //Set the pin low and delay for 1/2 a cycle of 1KHz, 500uS.
-  digitalWrite(SOUNDOUT_PIN,LOW);
-  delayMicroseconds(500);
-}
-</syntaxhighlight>
-* Arduino audio player project on this [http://arduino.cc/en/Tutorial/SimpleAudioPlayer page.]
 [[category: Audio Amp]]