Learn Arduino by Building 26 Projects!

Connect the rtc module to the arduino via i2c and power it at 3.3 volts, then display the current date and time on the lcd.

Build an Arduino-based medicine reminder system that uses an LCD display and RTC to alert at 8 am, 2 pm, and 8 pm with three configurable modes.

Design and connect a full Arduino reminder circuit using Fried Thing, wiring a buzzer, LCD, RTC module, and four push buttons with resistors, while mapping pins and voltage supply.

Wire lcd to Arduino: pin 1 ground, pin 2 5v, backlight through a 220-ohm resistor to 5v, data lines d4–d7 to pins 6,5,4,3, rs to 12, enable to 11.

Learn how the lecture explains code that uses lcd and rtc libraries with Arduino to create a pill reminder with multiple reminder modes and a buzzer.

Download and install the Arduino IDE from the Arduino site, choose web editor or desktop installer, and learn to verify, upload, setup and loop with a blinking LED.

Download and use Fried Thing to build schematics and PCB designs for Arduino projects, connect components, and export circuit images.

Build an Arduino alarm clock that uses a real time clock module and an LCD to display time, with a buzzer to sound the alarm and the module's temperature readout.

Explore how the real-time clock module powers the project with a 3V battery. Compare current time with the alarm, beep the buzzer for two minutes, and display on the LCD.

Learn to design and wire a circuit diagram for an Arduino project, connecting a 16x2 LCD, RTC module, buzzer, potentiometer, 220 ohm resistor, and breadboard with proper pins and power.

Learn to build an Arduino alarm clock by wiring a DS3231 RTC to an LCD, include libraries and initialize variables. Fetch time in the loop and display time and date.

Learn to build an Arduino alarm clock that compares current time with the alarm and triggers a buzzer and LCD when they match. Customize the beep duration as needed.

Explore the practical assembly of an Arduino alarm clock using an rtc module, lcd, buzzer, and potentiometer, displaying time and date in 24-hour format with a backup battery.

Learn to build an Arduino motion detector by gathering hardware such as an Arduino board, VR motion sensor, buzzer, 9-volt battery, and wires, and use Arduino IDE with Brutus simulation.

Explore how a passive infrared air motion sensor detects infrared heat within 6–7 meters and signals an Arduino to trigger a piezo buzzer via PWM.

Construct the circuit diagram for an Arduino reminder project using Fried Thing, wiring the buzzer, LCD, four push buttons, resistors, and an RTC module with SDA and ACL pins.

Test and explain Arduino code for a motion sensor burglar alarm, calibrate the sensor, upload code to your Arduino, trigger a piezo buzzer, and verify output with the serial monitor.

Connect a Nokia 5110 LCD and a soil moisture sensor to an Arduino board to automate irrigation, and review the required materials, including a relay module and Arduino IDE.

Describe wiring a Nokia 5110 LCD to an Arduino with 3.3 volts, protected by resistors, using a potentiometer to control backlight, and integrating a relay module.

Wire a relay module and a moisture sensor to an Arduino, connect Vcc 5V, ground, and IN 8, and link the relay's common and normally closed to the solenoid.

Learn how a soil moisture sensor with Arduino uses a relay to open or close a valve. It maps 0-1023 to 0-100 and uses a threshold to decide action.

Provide an Arduino code overview, showing how to install the pcd8544 library for the Nokia 5110 LCD, initialize the LCD, read an analog value, display it, and control a valve.

Learn how to read a soil moisture sensor with Arduino, map 0-1023 to 0-100, display the value on a Nokia 5110 LCD, and control a valve via a relay.

Celebrate the course completion by asking questions on the Q&A board, leaving feedback, and exploring over 40 engineering courses, including Arduino, Raspberry Pi, and circuit design, at discounted prices.

Identify hardware and software requirements for building Arduino projects, including microcontroller options, the 8870 decoder IC, crystal, voltage regulator, essential components, and Arduino and circuit design software.

Learn to remotely control an Arduino or microcontroller using a standard mobile phone and dtmf signals, without internet, to turn a motor or heater on via keypad inputs.

Explore dtmf, dual tone multi frequency signaling, and how keypad tones are generated and decoded, enabling an Arduino to read two-tone inputs and produce binary outputs.

Explain the layout and functioning of a project using a four-bit decoder and keypad tones to generate binary signals for a microcontroller, enabling remote, internet-free device control via phone calls.

Learn to implement a dtmf decoder using the cm8870 to convert incoming tones into four-bit binary codes for a microcontroller. Use the Arduino to recognize keypad presses and control lights.

Explore the dtmf decoder circuit: from headphone input through resistors and capacitors to oscillator pins, delivering a four‑bit output (q1–q4) for Arduino or PIC microcontrollers, with simulation in proto software.

Design a DTMF decoder schematic in EGAL software, selecting a 8870-compatible part, placing capacitors, resistors, and a 3.579545 megahertz crystal, and wiring mic input to four-bit output.

Learn to simulate an Arduino DTMF circuit interfacing with a lithium ion module using four q1-q4 keypad signals, leds, switches, and 220 ohm resistors.

Code an Arduino keypad decoder that uses a four-bit DTMF pattern, reads digital pins, and lights the corresponding LED for key presses like 0001.

Design and validate a dtmf decoder module pcb from schematic to board layout, place components, route traces on top or bottom layers, and perform erc and drc checks.

Demonstrate a practical DTMF decoder with a relay and audio jack, enabling remote lid control via keypad tones and microcontroller data outputs.

Design the outer Arduino enclosure frame in 2d by sketching a 53.3 by 68.6 cm rectangle using a two-point rectangle plan, adding four 2.8 diameter holes, and preparing for extrusion.

Design an Arduino enclosure by offsetting the border, extruding to form the outer shape, shelling the body to 1.6 mm, and splitting it in half using a midpoint construction plan.

Extrude four points to form the upper body, sketch four circles of 4 millimeters for standoffs, extrude them as a new body, and join to the lower body.

Use the timeline to revert to a prior state, fix mistakes, apply a 3 mm fillet to round four corners on the model.

Sketch on the upper body, project four holes, set diameters 3.2 and 5.2 for clearance, extrude the enclosure, and chamfer the holes at 0.4 mm.

Download Arduino Uno 3D model from Autodesk library, upload to Fusion 360, import to fit enclosure, convert to components, set lower body as ground, and prepare power and USB cuts.

Create joints between the upper and lower body, control motion with sliders, and fix issues by editing sketches, cutting out parts, and aligning the Arduino on stand-offs.

Plan and sketch surface cutouts, project lines to model a connected cut, then extrude and cut to fit the Arduino power socket, ensuring USB and power access.

Design an Arduino enclosure by sketching access cutouts for pins on the upper body, extruding these shapes to create safe clearance and adding text and decorative shapes.

Explore 3D animation of an Arduino board by using manual explode and auto explode all levels to animate components, render and export the video.

Create a precise Arduino Mega enclosure by designing a Fusion 360 sketch: a rectangle of 53.3 by 101.6 with six holes of 2.6 mm diameter, then prepare for extrusion.

Design a 3d enclosure for Arduino Mega by extruding and shelling a sketch, splitting into upper and lower bodies, adding standoffs, holes, and chamfers for assembly.

Import and align an Arduino Mega 3D model in Fusion 360, adjust dimensions and standoff positions, and use joints and components to secure the assembly.

Finish the Arduino enclosure by projecting geometry, offsetting lines, and extruding cuts to form holes for the pins and complete the 3-D enclosure.

download and install eagle software to design your arduino shield, then create a new project with a schematic and a pcb.

Learn to access Fusion 360 by creating or signing into an educator account, complete your profile, then download and install the web-based installer.

Open Fusion 360 from the start menu, sign in to access the education license, and explore the main drawing area with grid lines, axis colors, and origin.

Learn to build a rotating led display with Arduino using persistence of vision and printing on air. Explore hardware, software, circuit and pcb design, assembly, and practical testing.

Learn the hardware and software requirements for an Arduino project: Arduino IDE, Nano board, hall effect sensor 344, LEDs with resistors, a lithium battery, and a sliding switch.

explore the working principle of persistence of vision with an Arduino project, using a fast-rotating LED strip and motor to display letters and shapes in air.

Download a free trial of OrCAD, register and request the trial to access full capabilities, then download and install via a web installer using the emailed link.

Open the Arduino IDE, create a new project, and define variables for real-time counting and a real-time clock to drive a rotating led display.

Explore a simple Arduino project that displays scrolling text on seven LEDs, using character arrays and per-letter functions to render hello, welcome, and other texts.

Learn to render letters on a rotating LED display with Arduino by building display string, display character, and draw line functions using microsecond delays.

Learn to implement an interrupt service routine in Arduino to control a rotating led display, using micros for timing, managing states, and displaying text with a rotation algorithm.

Design a circuit schematic with OrCAD Capture, creating a blank project, importing libraries, placing resistors, LEDs, a switch, and a hall-effect sensor, and wiring ground and power.

Create and save a new OrCAD library for a hall effect sensor, design its three-pin symbol, configure pins, and connect it to an Arduino Nano on a PCB design.

Master Arduino by completing 26 projects, culminating in the final practical result.

Connect your Arduino to smartphone sensors through wired or wireless links to read data from light, proximity, GPS, magnetometer, accelerometer, gyroscope, and orientation sensors using a no-code App Inventor app.

Learn hardware and software requirements for Arduino projects, including Arduino boards, USB cables, OTG adapters, the Arduino IDE, and MIT App Inventor for sensor data and apps.

Learn how to download and install Arduino Pro IDE, choosing between the web editor or Windows Installer, and verify, upload, and run sketches on Arduino boards.

Learn what App Inventor is and how it lets you build Android apps in a web browser. Use the designer and blocks editor to create interfaces and test with emulator.

Explore the MIT App Inventor designer and blocks editor to build app interfaces by dragging components, adjusting properties, and snapping blocks in the viewer to define app behavior.

Build an Android app with MIT App Inventor to connect to an Arduino via serial, transfer sensor data, and control a lid with on/off commands at 9600 baud, exporting APK.

Code your Arduino to blink an LED by declaring a variable, initializing serial communication, and setting pin 13 as output, then upload and test with the serial monitor.

Build a proximity sensor mobile app that interfaces your phone’s proximity sensor with an Arduino via serial communication, using MIT App Inventor blocks to toggle the sensor and send 0/1.

Develop a light sensor app that measures ambient light in lux, displays the value, and sends it via serial to an Arduino to switch a led on or off.

connect the arduino and turn on the light sensor to observe readings that vary with light intensity, from dim to bright, demonstrated with a ring light.

Learn how the accelerometer measures orientation on the X, Y, and Z axes and sends data to an Arduino via a timer-driven serial transmission.

Write Arduino code to receive accelerometer data via serial communication, parse x, y, z values, and use those readings to drive a motor or robot via a mobile app.

Build a gyroscope-based mobile app and Arduino code by using the gyroscope sensor, displaying X, Y, and Z angular velocities with sliders, and sending serial data to control Arduino projects.

Build a magnetometer app and Arduino code to measure magnetic fields on X, Y, Z axes in tesla, and display data via the serial monitor with timer and connect features.

Explore app inventor's range of apps, including educational, location aware, robot controllers, and games. Use block-based drag-and-drop in the coding area and meet system requirements for browsers and JavaScript.

Discover how App Inventor lets you build Android apps in a browser using a connected device or emulator, with the designer and blocks to define behavior, while storing work online.

Compare Java with App Inventor and visual block programming to build Android apps. Drag-and-drop blocks generate the same hello world output, offering easier editing and faster development.

Explore the app architecture by examining visible and non-visible components, variables, events, event handlers, and procedures, and understand how event-driven programming triggers responses in an App Inventor project.

start your app inventor journey by creating the first halo app, logging in with a google account, and navigating designer, blocks editor, and emulator.

Build your first Android app with App Inventor by designing a label and image, then use blocks to play a cat meow and vibrate on button click.

Test and run your app using the emulator or a real device, install and launch App Inventor, and observe live updates as you design and test your app.

Learn to test your Arduino app on a real device using the MIT App Inventor companion, QR codes, APK builds, or USB installation, with an emulator as a fallback.

Explore essential resources to create better apps, including the Q and A board, YouTube messaging, and official App Inventor tutorials, reference documentation, and user forums for help.

Learn to create a free website for your app using Google Sites, with a description, screenshots, and a block diagram to showcase what the app does.

Build more than eight Android apps for Arduino with App Inventor, covering event-driven programming, step-by-step guides, downloadable schematics and codes, and apk files for led control and temperature readouts.

Explore App Inventor, a visual blocks language for creating Android apps with drag-and-drop components and events, enabling learners to build web-based educational apps and control an Arduino.

Explore an app inventor android application and the blocking structure to infer the app's purpose and output. Engage with the Q&A prompts to refine your guess as you proceed.

State the system requirements for app inventor, including supported browsers, Java version six, operating systems, and hardware needs of 1 gb ram and 0.5 gb disk space.

Explore app architecture in App Inventor, including components, variables, events, event handlers, and visible and non-visible elements, and how event-driven behaviors respond to user and external events.

Learn to use App Inventor to create your first Halo app by logging in with a Google account and exploring designer, block editor, and emulator on MIT App Inventor site.

Learn to build your first app in App Inventor: create a project, design a UI with label and image, upload media, and play a sound while vibrating on button press.

Test and run your app with a Windows, Mac, or Linux emulator using App Inventor, Starter, and USB, and experience live updates and debugging on real devices or emulators.

Learn to test your Arduino app with an emulator or a real device using the companion app, QR codes, and USB installation options.

Explore essential resources to create better apps, including the Q and A board, YouTube messaging, and the App Inventor ecosystem with tutorials, reference documentation, and user-generated help.

Create a free website for each app using Google Sites with a description, screenshots, and a block diagram, then share the Android package to credit your work.

Learn to build Android apps for Arduino with App Inventor, using step-by-step projects to control LEDs, RGB LED, temperature sensor, and relay.

Discover App Inventor, a free web-based visual blocks language for building Android apps with drag-and-drop components and no syntax, enabling educational apps, games, location apps, robot controllers, and Arduino integrations.

Explore practical app building with an Android App Inventor example, examining the blocking structure and predicting the app’s output and purpose.

Identify the system requirements for running App Inventor across Macintosh, Windows, and Linux, including browsers, Java version 6, RAM and disk space, and offline version guidelines.

Explore App Inventor architecture by examining components, variables, behaviors, and event handlers; discover how visible and non-visible components and event-driven programming power Android apps.

Master the App Inventor user interface by building a hello world app with the designer, block editor, and emulator, then add an image, label, button, and sound via blocks.

Learn to control an LED on Arduino pin 13 via Bluetooth from an Android app, using serial communication to send on and off commands.

Design an Android interface to connect via Bluetooth, select a device with a list picker, and control a LED on/off by sending 1 or 0 to the Arduino.

Connect the led to Arduino pin 13 and ground, then test the board with a Bluetooth on/off app built using MIT App Inventor and the AI companion.

Build a login protected led control app for Arduino with multiple screens, a username and password, and a block-based flow to switch screens using an emulator.

Control the led brightness with a slider in an android app, sending slider values via bluetooth to an arduino and changing the image color while connected.

Build a Bluetooth controlled led brightness slider using Arduino. Load code, wire pins 3 and 13, pair with fc05, and send rounded 0–255 slider values via MIT App Inventor.

Connect the Bluetooth module to the Arduino board by wiring four pins: power, ground, rx, and tx to the Arduino, then proceed to leds and Android app testing.

Create an Android rgb led controller app built with MIT App Inventor, with three sliders that send red green blue values via bluetooth to an Arduino for real-time color mixing.

Program Arduino to communicate with an Android application via serial at 9600 baud, initialize pins 3, 5, and 6, read color bytes, map to color values, and use analog write.

Write Arduino code to read a dht11 temperature and humidity sensor, install the library, and send readings to an Android app via serial.

Create an Android app in MIT App Inventor to display Arduino sensor readings over Bluetooth, including temperature, humidity, and light, using a timer to update every 5 seconds.

Build an Android app to send messages via Bluetooth to an Arduino, which displays them on an LCD. Configure the liquid crystal library and serial communication in the Arduino IDE.

Learn to build an Android app that sends text from a text box via Bluetooth to an Arduino with a lcd display, then show the text on the lcd.

Design a Bluetooth remote controlled robot Android application to operate two DC motors through Bluetooth, sending forward, reverse, left, right, and stop commands, with a scrollable user interface.

Learn to program an Arduino to receive signals from an Android app and control two motors via a driver, using enable pins and 9600 baud serial communication.

Export your MIT App Inventor project, import into Coola, and monetize with AdMob banner ads. Create ad units, copy the ad unit ID, and export the APK for Google Play.

Learn to read analog sensors with Arduino, set up sketches, and collect, analyze, and convert sensor readings to make decisions in your 26 Arduino projects.

Learn how to read analog sensors with Arduino using analog pins and the 10-bit ADC that maps readings from zero to 1023, and compare analog and digital sensors.

Learn to wire and read data from an analog sensor on the Arduino, then reuse the three-pin approach—power to 5 volts, ground, and analog output.

Learn to read analog sensors with Arduino by configuring two analog pins, reading values with analogRead, and displaying data on the serial monitor.

Learn how to test analog sensors in Arduino using a potentiometer and a temperature sensor, paste code in the Tinker Code editor, and view real-time values in the serial monitor.

Analyze and convert sensor readings, using unit conversions and ldr brightness percentages, applying data sheet formulas. Use conditional statements to act on temperature, turning on an led for visualization.

Learn to convert Arduino temp sensor analog readings to Celsius by applying voltage conversion and a simple equation, and understand the impact of 10-bit ADC resolution and quantization error.

Explain how the Arduino uses a ten-bit ADC to convert 0 to 5 volts analog signals into 0 to 1023 digital readings, including the 1024 level resolution and related equations.

Learn to build an Arduino based battery level monitor using leds and a 16 by 2 lcd, with adc, circuit schematic, and step-by-step code.

Master hardware and software setup for Arduino projects by installing the Arduino IDE 2.0 beta, using online simulations, and assembling an Arduino, LED bar, and a 16x2 LCD display.

Learn to build a ten‑LED bar battery indicator with an Arduino, wiring anodes to positive, cathodes through a 220 ohm resistor to ground, and driving four pins with if statements.

Discover how the Arduino measures battery level by reading an analog input, converting it to a 10-bit digital value, and displaying the voltage on a led bar graph or lcd.

Explore lcd displays, especially the 16 by 2 lcd, their pins rs, rw, en, d0-d7, and 4-bit operation with arduino using the liquid crystal library for printing and cursor control.

Explain how an analog-to-digital converter translates analog voltages to digital values with a ten-bit ADC on Arduino, reading from pins 0–5 and using analogRead to map 0–5 volts to 0–1023.

Learn to build an Arduino circuit schematic in TinkerCAD, wiring an LCD display and ten LEDs with 220 ohm resistors to ground, and simulate analog input with a potentiometer.

Open the arduino ide, create a new project, include the liquid crystal library, define the lcd pins, and set up an analog voltage input with ten leds on pins 2-11.

Complete coding to read analog values, convert to voltage with the adc formula, and display results on an lcd while debugging via the serial monitor.

Turn off all ten leds, then light pins 2 to 11 according to input value. Use voltage thresholds to map led counts and display results on lcd and serial monitor.

Discover hardware essentials for building a battery level monitor with Arduino, including breadboard, Arduino board, LEDs, resistors, lcd display, potentiometer, jumper wires, A0 analog pin, and a 9-volt battery socket.

Connect ten LEDs on a breadboard to an Arduino, test with a potentiometer, verify five-volt and ground wiring, then upload code to pins 2 to 11.

Learn how to measure voltages above five volts with an Arduino using a voltage divider, potentiometer, and breadboard setup for 0-5 volt reading.

Learn practical ways to reduce Arduino power consumption, including deep sleep, low power libraries, clock speed and voltage reductions, plus external circuits and solar charging to extend battery life.

lower the arduino power consumption by running at 3.3 volts and using an eight megahertz crystal; this enables significant power savings without sacrificing stability for low-speed applications.

Replace power consuming components on Arduino by using external dc-dc stepdown converters instead of the onboard regulator, remove the power LED, and optimize sleep mode to reduce current.

Learn to use sleep mode on an Arduino, waking the processor every 2 seconds via the internal RTC and Low Power Arduino library to save battery.

Reduce Arduino power consumption by using an external timer to turn the board on briefly at intervals, using a 555 timer, resistors, capacitors, and a logic inverter.

Learn how to implement deep sleep mode on Arduino to cut power, wake via the RTC or interrupts, and control timing with optional millisecond wakeups.

Build a solar powered Arduino charger using a TB 4056, a lithium 18650, a solar panel, a boost converter, and an external timer for power saving in remote projects.

Power an Arduino only when a sensor sends a high signal, like a PIR motion detector. Use two transistors, a diode, a resistor, and channel MOSFET in a proto simulation.

Explore practical power saving options for Arduino projects, from sleep modes and voltage reduction to turning off external devices with MOSFET circuits, backlight management, and optional displays.

Lower the Arduino clock from sixteen to eight megahertz to reduce power consumption and current draw. Explore pre scalar edits, but beware boot issues and consider deep sleep for efficiency.

Discover how to control an Arduino from a web browser using JavaScript and the serial API, enabling two-way communication with a USB-connected Arduino through Chrome.

Download and install the Arduino IDE (v1.8.1) on Windows, open the coding interface, and explore the simulation environment using the Arduino Uno with example projects.

Discover p5.js, a free open-source library for creative coding in the browser. Learn p5 editor to build sketches with text input, video, webcam, and sound, using index.html, sketch.js, and style.css.

Design a simple breadboard circuit with an Arduino, 220 ohm resistor, potentiometer, and LEDs; connect five volts and ground, and send signals to a web page via JavaScript.

Learn to read a potentiometer with Arduino, map the analog 0–1024 reading to 0–255 using the map function, and control LED brightness on a suitable pin.

Learn to upload Arduino code, read potentiometer values from 0 to 255 via serial monitor, and display them on a web page using HTML, JavaScript, and p5.js.

Develop the JavaScript serial connect function to manage Arduino serial port connections via a connect button, including port selection, 9600 baud, decoder/encoder setup, and error handling.

Code a JavaScript Arduino connection with a disconnect function, safely closing the serial port, reading data in a loop, and mapping potentiometer input to brightness on a browser canvas.