Keyestudio Ks0428 Manual page 201

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Car_right();
matrix_display(right); //show clockwise rotation picture
}
}
/******************Control Servo*******************/
void procedure(int myangle) {
for (int i = 0; i <= 50; i = i + (1)) {
pulsewidth = myangle * 11 + 500;
digitalWrite(servoPin,HIGH);
delayMicroseconds(pulsewidth);
digitalWrite(servoPin,LOW);
delay((20 - pulsewidth / 1000));
}
}
/******************Dot Matrix****************/
// this function is used for dot matrix display
void matrix_display(unsigned char matrix_value[])
{
IIC_start();
IIC_send(0xc0); //Choose address
for(int i = 0;i < 16;i++) //The picture has 16 bits
{
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