
Microcontrollers differ from microprocessors by housing input/output pins on one chip, with RAM, ROM, and 8- or 16-bit cores powering sensors and actuators.
Explore the Arduino board, its ATmega328 microcontroller, USB programming, and input/output pins. Understand power options, the 16 MHz crystal, bootloader, ICSP, PWM, analog pins, and external power.
Download and install the Arduino IDE, connect the Arduino Uno, select the correct serial port, compile the blink sketch, and upload to see the LED on pin 13 blink.
Connect three LEDs to an Arduino with 120 ohm resistors, attach anodes to pins 5, 6, and 9, and cathodes to ground; program as outputs and cycle each LED.
Connect a joystick to the arduino and wire four lcds to pins 5, 6, 9, and 10; map analog inputs A0 and A1 to -90 to 90 to control lcds.
Connect a joystick to an Arduino to control a servo motor using the servo library, attach the servo to pin 3, and map joystick input to 0-180 for smooth motion.
Connect the ultrasonic range finder to an Arduino, wire trig to pin 9 and echo to pin 10, upload the sketch, and compute and view distance via the serial monitor.
Learn to wire a light dependent resistor (ldr) to an Arduino, read via A0 analog input, interface an lcd, and turn the lcd on in darkness and off in light.
Connect a water depth sensor to an Arduino and LCD, wire it to a breadboard, and program thresholds to detect bottom, middle, and top water levels.
Connect a temperature and humidity sensor to an Arduino, upload the sketch, and read humidity and temperature (Celsius and Fahrenheit) via the serial monitor to verify readings.
Connect the soil humidity sensor to an Arduino via the amplifier, wire the LCDs, and upload a sketch that reads moisture with A0 and maps dry to wet conditions.
Connect a capacitive touch sensor to an Arduino, wire an lcd with a 220 ohm resistor, and program the sketch to light the lcd when touched.
Explore embedded systems fundamentals, including microcontrollers, sensors, and actuators, then set up the Arduino development platform, install the Arduino IDE, and compile your first sketch to interface sensors and actuators.
Identify embedded systems as small function-specific computers that reside in larger systems, and design must balance speed, memory, and power constraints.
Discover embedded system components, including processors and microcontrollers, ADCs and DACs, sensors, and actuators (like LCD screens) that enable devices to interact with their environment.
Discover how a microcontroller differs from a microprocessor: an on-chip system with ram and rom, io pins, and power efficiency, programmed in c or assembly, compiled and uploaded to Arduino.
Explore how sensors detect environmental changes and send data to a microcontroller, and learn about sensitivity, noise, and hands-on use of light, water level, temperature-humidity, soil moisture, and touch sensors.
Explore actuators in embedded systems, including lcd displays that light up and servo motors that move to a commanded angular position.
Explore the Arduino board and its features, connections, input–output pins, PWM and analog pins, USB programming, and power options from USB to external jack using an ATmega328 microcontroller.
install and set up the Arduino IDE on Windows, connect the Uno, select the serial port, compile the blink sketch, and upload to see pin 13 blink.
Connect anodes to digital pins 5, 6, and 9 with 120 ohm resistors to ground on a breadboard, then toggle with digitalWrite and delay to blink sequentially.
Connect a joystick to an arduino and wire four lcds, read x and y with analog inputs, map to -90 to 90, and light left, right, up, or down lcds.
Connect a joystick to the Arduino (analog input 0) and a servo to pin 3. Map readings 0-1023 to 0-180 degrees and update with a 50 ms delay.
Learn to connect an ultrasonic range finder to an Arduino, configure trigger and echo pins, upload the distance-measuring sketch, and view real-time distance readings on the serial monitor.
Wire a photoresistor to an Arduino, connect an lcd, read analog A0, and program a 500 threshold to turn the lcd on in darkness and off in light.
Wire a water depth sensor to an Arduino and an LCD, then test readings from bottom, middle, and top sections via the serial monitor to map water contact levels.
Connect the temperature and humidity sensor to the Arduino, install the library, upload the sketch, and monitor temperature and humidity readings in the serial monitor.
Connect a soil moisture sensor to an Arduino with an amplifier and LCD, wire to A0, 3.3V, and ground, upload the sketch, and monitor readings with the serial monitor.
Connect a touch sensor to the Arduino and drive an LCD to light when touched, using a simple sketch with digital read and write.
Intro to Arduino Interfacing is an introductory course for beginners wishing to learn Arduino interfacing. You will learn about the Arduino development board, how to download the Arduino IDE, and how to interface different sensors with it. All in all, you will be wiring and programming nine sensors. All the code that controls these sensors and actuators are available for download.