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31. Snake Game
Steve discusses utilizing the Pen extension to create infinite and finite versions of a snake game. The video sensing tool is also discussed in this segment.
- https://scratch-workshop.vercel.app/infinite-snake
#lesson
Steve discusses utilizing the Pen extension to create infinite and finite versions of a snake game. The video sensing tool is also discussed in this segment.
- https://scratch-workshop.vercel.app/infinite-snake
#lesson
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32. Wrapping Up
Steve wraps up the course by demonstrating how to look at a shared Scratch project's code.
#lesson
Steve wraps up the course by demonstrating how to look at a shared Scratch project's code.
#lesson
Title: Hardware with Arduino & JavaScript
Description: Tie the physical and digital worlds together, and see what's possible with hardware and JavaScript! Craft circuits, wire up LEDs, buttons, and sensors, and leverage sensors to change browser actions based on real-world data, all with web-based technologies.
Link: https://frontendmasters.com/courses/arduino-javascript/
Time: 3 hours, 0 minutes
Lessons: 22 / 22
Tags: #course #frontendmasters #720p
Description: Tie the physical and digital worlds together, and see what's possible with hardware and JavaScript! Craft circuits, wire up LEDs, buttons, and sensors, and leverage sensors to change browser actions based on real-world data, all with web-based technologies.
Link: https://frontendmasters.com/courses/arduino-javascript/
Time: 3 hours, 0 minutes
Lessons: 22 / 22
Tags: #course #frontendmasters #720p
Frontendmasters
Hardware with Arduino & JavaScript: Bridging the Digital & Physical worlds with code
Tie the physical and digital worlds together, and see what's possible with hardware and JavaScript! Craft circuits, wire up LEDs, buttons, and sensors, and leverage sensors to change browser actions based on real-world data, all with web-based technologies.
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1. Introduction
Steve begins the course by introducing the Arduino platform and talking through some third-party libraries that add support for JavaScript. Alternative boards which are compatible with this course are also discussed.
- https://github.com/stevekinney/nodebots-v2
#lesson
Steve begins the course by introducing the Arduino platform and talking through some third-party libraries that add support for JavaScript. Alternative boards which are compatible with this course are also discussed.
- https://github.com/stevekinney/nodebots-v2
#lesson
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2. Getting Started with Arduino
Steve tests the Arduino board with a "hello world" example. The Arduino is connected to the computer, and an example blink program is loaded, causing an LED to blink on and off.
#lesson
Steve tests the Arduino board with a "hello world" example. The Arduino is connected to the computer, and an example blink program is loaded, causing an LED to blink on and off.
#lesson
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3. Electricity & Hardware Terminology
Steve explains a few electrical engineering concepts, including Ohm's law, polarity, and resistors. A color-coded chart is shown, which helps identify the ohm value of a resistor.
#lesson
Steve explains a few electrical engineering concepts, including Ohm's law, polarity, and resistors. A color-coded chart is shown, which helps identify the ohm value of a resistor.
#lesson
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4. Wiring a Circuit to the Breadboard
#lesson
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5. Porting Blinking Light to JavaScript
Steve loads Firmata onto the Arduino, allowing the board to be controlled by JavaScript. A basic JavaScript program is written to blink the LED. The code is executed with Node.js, and the commands are sent to the Arduino.
#lesson
Steve loads Firmata onto the Arduino, allowing the board to be controlled by JavaScript. A basic JavaScript program is written to blink the LED. The code is executed with Node.js, and the commands are sent to the Arduino.
#lesson
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6. Pulsing the LED
Steve uses the pulse method to demonstrate Pulse Width Modulation. Digital pins simulate pulsing or fading by rapidly sending on/off signals.
#lesson
Steve uses the pulse method to demonstrate Pulse Width Modulation. Digital pins simulate pulsing or fading by rapidly sending on/off signals.
#lesson
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7. Wiring Button with LED
Steve adds a button to the circuit that logs messages to the console when pressed. Pressing the button completes the circuit and sends the voltage to a pin. Use the wiring diagram linked below.
- https://github.com/stevekinney/nodebots-v2/blob/main/public/diagrams/single-led-and-button.svg
#lesson
Steve adds a button to the circuit that logs messages to the console when pressed. Pressing the button completes the circuit and sends the voltage to a pin. Use the wiring diagram linked below.
- https://github.com/stevekinney/nodebots-v2/blob/main/public/diagrams/single-led-and-button.svg
#lesson
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8. Controlling LED with Button Exercise
Students are instructed to modify the code so the button controls the LED light.
#lesson
Students are instructed to modify the code so the button controls the LED light.
#lesson
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9. Button with Web Server
Steve uses an Express server to read data from the Arduino. The Express server uses the Johnny-Five library to access the Arduino board. When the webpage is loaded, it checks to see if the button is pressed.
#lesson
Steve uses an Express server to read data from the Arduino. The Express server uses the Johnny-Five library to access the Arduino board. When the webpage is loaded, it checks to see if the button is pressed.
#lesson
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10. Toggling LED from the Browser
Steve challenges students to write the code to toggle an LED from the browser. The code is then moved to a client-side application, and a button is coded to toggle the LED using a POST request.
#lesson
Steve challenges students to write the code to toggle an LED from the browser. The code is then moved to a client-side application, and a button is coded to toggle the LED using a POST request.
#lesson
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11. Communicating with Web Sockets
Steve creates a web socket connection, allowing the Arduino to communicate directly with the web server without relying on GET or POST requests. When a message is received through a specific channel, the text in the browser is updated.
#lesson
Steve creates a web socket connection, allowing the Arduino to communicate directly with the web server without relying on GET or POST requests. When a message is received through a specific channel, the text in the browser is updated.
#lesson
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13. Changing Color with the Potentiometer
Steve uses the potentiometer sensor to change the background color of a web page. Since the color values are between 0 and 255, the scale method adjusts the minimum and maximum values emitted by the potentiometer.
#lesson
Steve uses the potentiometer sensor to change the background color of a web page. Since the color values are between 0 and 255, the scale method adjusts the minimum and maximum values emitted by the potentiometer.
#lesson
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14. Detecting Light with the Photoresistor
#lesson
#lesson
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15. Playing Notes on the Piezo
Steve wires a piezo to the Arduino, which can detect vibration and create sound. Once the piezo is wired up, notes are sent to the play method, and the piezo plays the sequence.
- https://github.com/stevekinney/nodebots-v2/blob/main/public/diagrams/piezo.svg
#lesson
Steve wires a piezo to the Arduino, which can detect vibration and create sound. Once the piezo is wired up, notes are sent to the play method, and the piezo plays the sequence.
- https://github.com/stevekinney/nodebots-v2/blob/main/public/diagrams/piezo.svg
#lesson
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16. Generating Audio with Face Detection
Steve uses a face detection library to track the position of the user's head. A frequency is generated based on the work so the user can play higher and lower frequencies by moving their head.
#lesson
Steve uses a face detection library to track the position of the user's head. A frequency is generated based on the work so the user can play higher and lower frequencies by moving their head.
#lesson
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17. Face Expressions & LED Light Exercise
#lesson
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18. Working with an LCD Screen
Steve asks students to wire an LCD screen to the Arduino. Once the LCD is wired and configured, the cursor method can move locations on the screen, and the print method will write a message at that location.
- https://github.com/stevekinney/nodebots-v2/blob/main/public/diagrams/lcd.svg
#lesson
Steve asks students to wire an LCD screen to the Arduino. Once the LCD is wired and configured, the cursor method can move locations on the screen, and the print method will write a message at that location.
- https://github.com/stevekinney/nodebots-v2/blob/main/public/diagrams/lcd.svg
#lesson