The pin 8 in UNO board connection the IN1 in ULN2003, the pin 9 in UNO board connection the IN2 ULN2003, the pin 10 in UNO board connection the IN3 ULN2003, the pin 11 in UNO board connection the IN4 ULN2003. Then I programed in the Ardino.</p>
The pin 8 in UNO board connection the IN1 in ULN2003, the pin 9 in UNO board connection the IN2 ULN2003, the pin 10 in UNO board connection the IN3 ULN2003, the pin 11 in UNO board connection the IN4 ULN2003. Then I programed in the Ardino.</p>