Justin Ratliff's ping robot article

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Figure 3.
Below is the listing for the standard i/o assignments on the J2:
Neck = i/o 2
Right Servo = i/o 1
Left Servo = i/o 3
GP2D12 IR = i/o 6
PING Sonar = i/o 7
Speaker = i/o 8
Text-to-Speech (if installed) = i/o 8 and 9
LED Mouth Option = i/o 10
CdS Option = i/o 14
Multi Input Option = i/o 15
Parts List:
Qty: Parts: Source:
1 Basic Stamp II Parallax.com
2 Continuous Rotation Servos Parallax.com
1 Standard Servo Parallax.com
1 Emimic Text-to-Speech Module Parallax.com
1 PING Sonar Module Parallax.com
1 J2 PCB J2R Scientific
1 J2 Body J2R Scientific
1 9pin DSUB female connector Digikey.com