Hardwired flashcard

Front

What's the range of an ultrasonic sensor?

Back

2 cm to 400 cm

Front

How many ports do we have for power output on Arduino Uno?

Back

2

Front

What does the digitalWrite() function do?

Back

Sets a digital pin to HIGH or LOW

Front

What is the maximum current an Arduino Uno’s 5V pin can supply safely?

Back

500 mA

Front

Which type of pin would you use to dim an LED using PWM in Arduino?

Back

Digital pin with PWM support

Front

Arduino IDE consists of 2 functions. What are they?

Back

setup() and loop()

Front

What language is the Arduino IDE built on?

Back

Java

Front

Which function is used in Arduino to continuously execute a block of code?

Back

loop()

Front

How many times does the setup() function run on every startup of the Arduino system?

Back

1

Front

In IoT applications, which protocol is most commonly used for real-time messaging between devices?

Back

MQTT