Solutions

Questions

1. Answer: The switch_algorithm(“face”) command changes the HUSKYLENS to face-recognition mode.

2. Answer: Model 1 contains previously trained faces saved on the SD card; loading it recalls those faces.

3. Answer: Buttons A and B cycle through which face ID the cyber#bot is tracking.

Exercises

1. Answer: Use a loop that alternates display.show(Image.YES) and display.clear() to flash the display quickly.

2. Answer: Add a counter or Boolean flag that prevents repeated turning until a button press resets it.

Projects

1. Answer: Combine motion.maneuver(50, 50, 1000), display.show(Image.HEART), and music.play(music.POWER_UP) inside the detection block.

2. Answer: Use a timer to call motion.maneuver(75, -75, 1500) when no faces are detected, then return to scanning.