Electronics Class – Day 7

This is a support page for day 7 of an 8-session class is a basic introduction to both electronics and programming the Arduino microprocessor.  The intent is to prepare the student for what is currently popular in the maker world, rather than an electronics or engineering degree, and includes some things of interest to amateur radio enthusiasts.

Day 1, Day 2, Day 3, Day 4, Day 5, Day 6, Day 7, Day 8

Day 7: Code libraries, displaying text, NeoPixels, making tones
Goals:
    • Build a project to display text
    • Explain what a code library is
    • Understand how NeoPixel displays work
    • Create color output
    • Make electronic tones at given pitches
Vocabulary:
    • Code library
    • LCD
    • NeoPixel display
    • NeoPixel array
    • NeoPixel ring
    • Piezo buzzer
Blink LED schematic diagram, wiring and code

Schematic:

Build:

Code:

Blink.ino

Copied!
void setup() {
  pinMode(12, OUTPUT);
  for (int i=1; i<5; i+1) {
    digitalWrite(12, HIGH);  // turn the LED on (HIGH is the voltage level) 
    delay(1000);             // wait for a second 
    digitalWrite(12, LOW);   // turn the LED off by making the voltage LOW 
    delay(1000);             // wait for a second 
  }
}

void loop() {
}

 

Homework:
    • Pick a project and customize it

 

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