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    TECH
                        T      ¢   Sensors: Devices that detect changes in the environment, such as light, temperature or
                        E         motion and send data to electronic systems.
                        R
                        M
                        S      ¢   Smart devices: Gadgets that can connect, collect data and respond intelligently, often using
                                  sensors and microcontrollers.

                               ¢   Transmission: The process of sending data or electrical signals from one place to another.

                               ¢   Analog-to-Digital Converter (ADC): A device that converts signals, such as sound or light,
                                  into numbers that a computer or microcontroller can understand.

                     REWIND RUN

                     «   A circuit is a connected path that allows electricity to flow and power electronic devices.
                     «   A microcontroller is a small, programmable chip that functions as the brain of an electronic device.
                     «   Arduino is a small electronic board that can follow instructions to control things like lights, motors,
                        sensors and more.
                     «   The Arduino Uno is a versatile board that controls devices, reads sensor data, provides power and
                        enables interaction through input and output connections.

                     «   The Arduino IDE (Integrated Development Environment) is a software platform where you can write,
                        edit and upload code to an Arduino board.
                     «   A smart lamp automatically turns on or off based on the light in the room; using a photoresistor, it
                        detects whether the room is dark or bright.

                                                 LEARNING LOGS

                     A.  Tick ( ) the correct option.

                        1.  Which of the following is used to build and test circuits?
                                   (i)  Circuit Builder                      (ii)  Circuit Simulator

                                  (iii)  Tinkercad Circuits                  (iv)  Circuit Designer
                        2.  Identify the primary component used to control the flow of electricity.

                                   (i)  LED                                  (ii)  Resistor

                                  (iii)  Battery                             (iv)  Breadboard

                                                                                                                      175
                                                                                         Designing Circuits with Tinkercad

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