The document provides questions and answers about Arduino from a previous session along with materials lists for three Arduino projects: an LED blink circuit using a single LED, a traffic light circuit using red, yellow and green LEDs, and an alphabet generator circuit using 9 LEDs. The questions cover the Arduino board name, its market share, identifying an LED's anode, and the coding language of the Arduino IDE. The material lists specify the components needed for each project including an Arduino UNO board, LEDs in various colors, and a USB cable.

2. Q&A ( Flash Back Day 1)
1. What is the name of Arduino Board that we will be
using?
2. What % of Arduino usage is covered by UNO?
3. How can you find the anode (+ve) of a LED ?

3. 4. In which language is Arduino IDE based ?
Q&A ( Flash Back Day 1)
5. What is the technical term for coding in Arduino
called?
6. How many analog and digital pins are there in
Arduino UNO?

4. LED Blink
Materials Required
Arduino UNO
1 pc any color led LED
USB A to B Cable

6. Play with the code

7. Traffic Light
Materials Required
Arduino UNO
3pc color led LED 1 red,
1 Yellow, 1 Green
USB A to B Cable

9. Alphabet Generator
Materials Required
9pc any color LED
USB A to B Cable