Which sensor is commonly used in security systems and remote controls?
Which of the following is a sensor?
The LDR sensor is used to detect:
Which of the following is an output device?
Which sensor is used in automatic street lights?
What is the role of actuators in Arduino projects?
What is the primary use of Light Emitting Diodes (LEDs) in electronic systems?
Which type of buzzer produces sound when an electric current is applied and is used for alarms and notifications?
How do RGB LEDs differ from standard LEDs?
Which type of motor is most suitable for applications that require precise accuracy, such as CNC machines and printers?
Why are actuators important in robotics and machinery?
A robot needs to avoid obstacles by measuring the distance to objects in front of it. Which sensor should be used for this purpose?
What is the function of the 'Base' terminal in a transistor?
What is the first step to start a new project in Tinkercad?
What is the main function of the Arduino UNO in a project?
Which pin on the HC-SR04 ultrasonic sensor is used to initiate the measurement process?
Which component provides the ground reference for the ultrasonic sensor circuit?
Which of the following is required to make connections between components in the project?
What is the purpose of the ‘echo_pin’ in the automatic door system circuit?
What is the purpose of the ‘trigger_pin’ variable in the Arduino code for the ultrasonic sensor?
To ground the circuit ________ pin is used in Arduino.
Identify the sensor given below:
Thermistors and thermocouples are examples of:
________ are used to convert the sound waves into electrical signals that can be processed by microcontrollers.
Transistors have ____ number of terminals.
Identify the motor given below:
Washing machines, refrigerators and vacuum cleaners have ________ type of motors.
Which of the following is not a terminal of a transistor?
Which terminal of a transistor controls the flow of current between the other two terminals?
A standard LED typically emits light of:
How many terminals does a standard LED have?
Which statement is true about an active buzzer?
The presence of an internal oscillator is a characteristic of:
Output devices are components that:
