Keyestudio Ks0428 Manual page 129

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/*
keyestudio Mini Tank Robot v2.0
lesson 7.2
Bluetooth
http://www.keyestudio.com
*/
int ledpin=11;
void setup()
{Serial.begin(9600);
pinMode(ledpin,OUTPUT);
}
void loop()
{ int i;
if (Serial.available())
{i=Serial.read();
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