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For Arduino User

This chapter includes installing Arduino IDE, uploading code to Raspberry Pi with Arduino IDE and a dozen interesting and practical projects to help you learn Arduino code quickly.

We recommend that you read the chapters in order.

1. Get Started

• 1.1 Install Arduino IDE(Important)
• 1.2 Introduce of Arduino IDE
• 1.3 Setting Up the Raspberry Pi Pico 2 (Important)
• 1.4 Install libraries (Important)

2. Output & input

• 2.1 Hello, LED!
• 2.2 Display the Level
• 2.3 Fading LED
• 2.4 Colorful Light
• 2.5 Reading Button Value
• 2.6 Tilt It!
• 2.7 Toggle Left and Right
• 2.8 Press Gently
• 2.9 Feel the Magnetism
• 2.10 Detect Human Movement
• 2.11 Turn the Knob
• 2.12 Feel the Light
• 2.13 Thermometer
• 2.14 Water Level Detection
• 2.15 Two Types of Transistors: NPN and PNP
• 2.16 Control Another Circuit with a Relay

3. Sound & Display & Movement

• 3.1 Make the Buzzer Beep!
• 3.2 Play Custom Tones with a Passive Buzzer
• 3.3 Controlling an RGB LED Strip
• 3.4 Liquid Crystal Display (LCD1602)
• 3.5 Controlling a Small Fan (DC Motor)
• 3.6 Controlling a Water Pump
• 3.7 Swinging Servo

4. Controller

• 4.1 Reading Values from a Joystick
• 4.2 Using a 4x4 Keypad
• 4.3 Electrode Keyboard with MPR121

5. Microchip

• 5.1 Using the 74HC595 Shift Register
• 5.2 Displaying Numbers
• 5.3 Creating a Time Counter with a 4-Digit 7-Segment Display
• 5.4 Displaying Graphics on an 8x8 LED Matrix

6. Advanced

• 6.1 Measuring Distance with an Ultrasonic Sensor
• 6.2 Measuring Temperature and Humidity with DHT11
• 6.3 Read from the MPU-6050
• 6.4 Using an Infrared Remote Control