• 0.1 methods of Graphical programming
• 0.2 methods of python programming

• 1.1 Headphones play voice
• 1.2 Buzzer play music 
• 1.3 Playing music at the tip of the pen
• 1.4 See who is faster

• 2.1 Fruit piano
• 2.2 DIY responder
• 2.3 Analog keyboard

• Introduction of Expansion board