1
DAC-OUT +
N amplifier output
External speakers (3W) output
2
GND
Ground
Power Ground
3
VDD
power input
3.3V-5.4V
4
DAC-OUT-
Amplifier output negative
External speakers (3W) output
5
MUTE
Play a sound when a low level (L)
Mute Control
6
USB-DP
USB-DP
USB for playing and downloading music
7
USB-DM
USB-DM
USB for playing and downloading music
8
ADK
button
Multiple sets of keys ADK
9
TX
UART serial data output
TTL level (3.3V)
10
RX
UART serial data input
TTL level (3.3V)
یک برنامه نمونه:
کد:
byte currentSound = 0x01;
void setup() {
// put your setup code here, to run once:
// start serial port at 9600 bps:
Serial.begin(9600);
//while (!Serial) {
// ; // wait for serial port to connect. Needed for native USB port only
//}
pinMode(2, INPUT); // digital sensor is on digital pin 2
}
void loop() {
// put your main code here, to run repeatedly:
if(digitalRead(2))
{
delay(10000);
Serial.write(0x7E);
Serial.write(0x04);
Serial.write(0x41);
Serial.write(0x00);
Serial.write(currentSound);
Serial.write(0xEF);
delay(10000);
currentSound = currentSound + 0x01;
if(currentSound > 3)
currentSound = 1;
}
}