1. Wait, sound sensor >70, Port 2 Flowchart – Heartbeat 1 Start Motor A, Move Backward, 1/3 Rotation, Power 20 Wait, 1 Second Sound Sensor (Port 2) Less than 70 Sound Sensor (Port 2) Less than 70 Motor A, Move Forward, 1/3 Rotation, Power 20 Move Forward, Ports B & C, 1 Second, Power 30 Wait, ½ Second Play Sound: “Brilliant!” Volume Level 100 Play Sound: “Brilliant!” Volume Level 100 Yes No Sensor Loop: Loop until sound sensor >70 (Port 2) Wait, sound sensor <70, Port 2 Display: Heart

2. Program – Heartbeat 1

3. Flowchart – Heartbeat 2 Wait, sound sensor >25, Port 2 Start Motor C, Move Backward, 1/4 Rotation, Power 20 Wait, 1/2 Second Sound Sensor (Port 2) Less than 60 Sound Sensor (Port 2) Less than 60 Motor C, Move Forward, 1/4Rotation, Power 20 Wait, ½ Second Play Sound: “Brilliant!” Volume Level 100 Play Sound: “Brilliant!” Volume Level 100 Yes No Sensor Loop: Loop until sound sensor >60 (Port 2) Wait, sound sensor <25, Port 2 Display: Heart

4. Program – Heartbeat 2

5. Robot – Heartbeat 2 Top Corner View Brick Motor (C) Sound Sensor (2) Worm Drive Extra Axle for Stability Connecting Apparatus Connect to Brick

6. Robot – Heartbeat 2 Right Side View Connection Apparatus (Worm Drive → Motor) Connection Apparatus (Worm Drive → Motor) Worm Sound Sensor (Port 2) Axle (Worm Drive → Motor) Motor (Port C) Motor (Port C) (To Brick)

7. Robot – Heartbeat 2 Left Side View Motor (Port C) Motor (Port C) Sound Sensor (Port 2) Connection Apparatus (Worm Drive → Motor) Connection Apparatus (Worm Drive → Motor) Axle (Worm Drive → Motor) Brick