Arduino Basics
What is the main programming language used for Arduino?
C/C++
What type of motor is commonly used in servos?
DC Motor
What does a potentiometer measure?
Variable Resistance
What does LED stand for?
Light Emitting Diode
What is the main purpose of a breadboard?
To prototype circuits
What board function uploads code to an Arduino?
Upload
What controls the angle of a servo motor?
Pulse Width Modulation
What unit measures the resistance of a potentiometer?
Ohms
What color LED has the highest forward voltage?
Blue
What are the horizontal rows on a breadboard used for?
Connecting components
What pin type on an Arduino is used for digital input/output?
Digital Pins
What is the typical voltage range for a servo?
4.8V to 6V
How many terminals does a potentiometer have?
Three
What component is used in series with an LED to prevent burnout?
Resistor
What separates the two sides of a breadboard's terminal strips?
Central Ditch
What Arduino function reads the state of a digital pin?
digitalRead()
What is the maximum rotation angle of a standard servo?
180 degrees
What happens to resistance as you turn a potentiometer?
It varies
What is the typical forward voltage of a red LED?
Around 2V
How are power rails typically labeled on a breadboard?
+ and -
What does the delay() function do in Arduino code?
Pauses execution
What signal frequency is standard for servo control?
50 Hz
What is the wiper on a potentiometer?
The movable contact
What law relates current, voltage, and resistance in an LED circuit?
Ohm’s Law
What is the maximum current a breadboard terminal can handle?
Variable, ~200mA