Course curriculum

  1. 1

    • What Are We Creating?

    • LOCK BOX PARTS LIST
  2. 2

    • The Matrix Keypad

    • Resistor Codes

    • Step 1 - Connect the UNO R3, Buzzer, LDR, and Potentiometer

    • Step 2 - Connect the Keypad

    • Step 3 - Connect the LCD Screen

    • Step 4 - Place Components Inside the Box
  3. 3

    • External Library

    • Part 1 - Libraries & Definitions

    • Part 2 - More Definitions + Variables

    • Part 3 - Clear Screen and Setup()

    • Part 4 - Main Loop()

    • Part 5 -Main Loop() cont.

    • Complete Code

    • Does It Work?
  4. 4

    • Monthly Challenge
  5. 5

    • Exercises
  6. 6

    • Downloadable PDF Instructions

    • NEED HELP? Questions, answers, comments

    • Show Us Your Work and Get Free Stuff!