Keyestudio ARDUINO maker learning kit, Руководство пользователя

Страница: 44 / 162

keyestudio
www.keyestudio.cc
42
When connecting the circuit, pay attention to the positive & the negative poles of the buzzer. In
the photo, you can see there are red and black lines. When the circuit is finished, you can begin
programming.
Sample program
Program is simple. You control the buzzer by outputting high/low level.
//////////////////////////////////////////////////////////
int buzzer=8;// initialize digital IO pin that controls the buzzer
void setup()
{
pinMode(buzzer,OUTPUT);// set pin mode as “output”
}
void loop()
{
digitalWrite(buzzer, HIGH); // produce sound
}
//////////////////////////////////////////////////////////
Result
After downloading the program, the buzzer experiment is completed. You can see the buzzer is
ringing.
*******************************************************************************