I would like to know how could i create FireAlarm sound using Arduino Uno with 8ohm 3" speaker .I know There is IC UM3561 but its about to obsolete.
Is there any alternate IC available for this application.
Is there any CKts available to Alarm application.
I have seen people used https://www.arduino.cc/en/Tutorial/PlayMelody
Is there any application note avilable
POLICE SREN.txt (605 Bytes)