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3. State the use of a photoresistor in a smart lamp project.

4. Differentiate between a series circuit and a parallel circuit.

5. Explain any two components of the Arduino UNO board.

COMPETENCY-BASED QUESTIONS Century #Critical Thinking
21 st
Skills #Technology Literacy
1. Vinay is working on a tech project and he came across Arduino, but he is confused about which
board he should use for his project. Which Arduino board should he use if he is working on a
wearable project?
2. Soumya is working on an electronics project in Tinkercad, but she is not sure where
to connect the positive voltage. What will you suggest to her to correctly connect the
LED in the circuit?

LAB LEARNING 21 st
Century #Critical Thinking
Skills
Create a Traffic Light System using Tinkercad Circuits. To create the system, do
the following tasks:
(a) Set up a breadboard with three LEDs (Green, Yellow, Red) connected to an
Arduino board.

(b) Write the Arduino code to control the traffic light sequence.
(c) Add a delay function to control the duration each light stays on.

(d) Test and simulate the circuit to ensure the traffic light sequence works correctly.

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