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Helloblock(Scratch3.0)

• 2-0-1. How to install Helloblock
• 2-0-2.How to use Helloblock
• 2-1. LED Blinks
• 2-2. Colorful LED
• 2-3. Control Fan
• 2.4 Control servo
• 2-5. Control buzzer
• 2-6. Button control LED
• 2-7. Car Run
• 2-8. Control direction
• 2-9. Control speed
• 2-10. Tracking
• 2-11. Infrared avoid
• 2-12. Infrared follow
• 2-13. Seek light
• 2-14. Color sensor
• 2-15. Ultrasonic obstacle avoidance
• 2-16.Ultrasonic obstacle avoidance with servo
• 2-17. IR control

Mixly

• 2-0.Experimental preparation
• 2-1.LED Twinkle
• 2-2.Colorful light
• 2-3. Fan control
• 2-4. Cloud Terrace control
• 2-5. Buzzer control
• 2.6 Button control
• 2-7.Car movement
• 2-8. Car pattern movement
• 2-9. Speed control of car movement
• 2-10. Infrared obstacle avoidance
• 2-11. Infrared following
• 2-12. Seek light
• 2-13. Color sensor
• 2-14. Ultrasonic obstacle avoidance
• 2-15. Ultrasonic obstacle avoidance with Servo
• 2-16. Infrared remote control

• 3-0.Experimental preparation(CH340)
• 3-0.Experimental preparation(Compile)
• 3-1.Color LED
• 3-2. advance
• 3-3. CarRun
• 3-4. ServoControlColor
• 3-5.KeyScanStart
• 3-6. infrared_avoid
• 3-7. infrared_follow
• 3-8. light_follow
• 3-9. avoid_ultrasonic
• 3-10. color_recognition
• 3-11. voltage_detection
• 3-12. servo_ultrasonic_avoid
• 3-13. bluetooth_control
• 3-14. IR control

• 4.1 Battery of 4WD robot car use precautions

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