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I have made the TiTo
Are these the connecting pins
Buzzer pin 10
Servo pin 2
Servo pin 3
Servo pin 4
Servo pin 5
Trig pin 8
Echo pin 9
Led L Pin 11
Led M Pin 13
Led R Pin 12

The mouth shows three LEDs which these pins are connected
the 3 LEDs change in the program or remain simply burn
Can you tell me what is the best program for this Tito

Kind Regards