Arduino Lab

FOR THOSE WITH ACCESS TO PING SENSORS: Exercise 4a: Build a circuit on the BOE Shield and write a sketch so that: - A green LED lights if there is no object within 20cm. - A yellow LED lights if there is an object less than 20cm but greater than 10cm away. - A red LED lights if there is an object within 10cm. Show and demonstrate the completed sketch to your instructor or TA. Exercise 4b: Add servos and modify your sketch so that the servos: - Run full speed if there is no object within 50cm. - Run half-speed if there is an object less than 50cm but greater than 20cm away. - Stop if there is an object within 10cm. Show and demonstrate the completed sketch to your instructor or TA. nstructor's Signature Date