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Lessons: About the Raspberry Pi Raspberry Pi Pin Numbering Introduction Raspberry Pi GPIO Library Introduction How to use the wiringPi and the RPi.GPIO Lesson 1 Blinking LED Lesson 2 Active Buzzer Lesson 3 Passive Buzzer Lesson 4 Tilt Switch Lesson 5 Controlling an LED with a button Lesson 6 Relay Lesson 7 LED Flowing Lights Lesson 8 Breathing LED Lesson 9 Controlling a RGB LED with PWM Lesson 10 7-segment display Lesson 11 4-digit 7-segment display Lesson 12 LCD1602 Lesson 13 Matrix Keyboard Lesson 14 Measure the distance Lesson 15 Temperature & Humidity Sensor-DHT-11 Lesson 16 Dot-matrix display Lesson 17 Photoresistor Lesson 18 Thermistor Lesson 19 RFID Lesson 20 LED Bar Graph Lesson 21 Controlling an LED through LAN Lesson 22 DC motor Lesson 23 How to control a stepper motor Lesson 24 How to use the acceleration sensor ADXL345 Lesson 25 PS2 Joystick Lesson 26 A simple access control system