KT0303 IOT Electronic Engineering Learning Kit for ESP-32

• IOT Electronic Engineering Learning Kit for ESP-32
• 1. Brief Introduction
• 2. Kit List
• 3. ESP32 Main Control Board
  • 3.1 Introduction
  • 3.2 Parameters
  • 3.3 Pin-out
  • 3.4 Pin Functions
  • 3.5 Schematic Diagram
• 4. Arduino IDE
  • 4.1About Arduino IDE
  • 4.2 Download Arduino IDE
    • 4.2.1 For Windows
    • 4.2.2 For MAC
    • 4.2.3 Steps
  • 4.3 Install USB Driver
    • 4.3.1 For Windows
    • 4.3.2 For MAC
  • 4.4 Install ESP32 Board
  • 4.5 Use Arduino IDE
  • 4.6 Upload Code on Arduino IDE
  • 4.7 Import Library
    • 4.7.1 What are Libraries?
    • 4.7.2 How to Install the Libraries?
• 5. Arduino C Basic Codes
  • 5.1 Arduino IDE Programming Language
  • 5.2 Program Structures
  • 5.3 Common Statements
    • 5.3.1 delay(value) ;
    • 5.3.2 digitalWrite(Pin,State);
    • 5.3.3 digitalRead(Pin)
    • 5.3.4 analogWrite(Pin,Vlaue)
    • 5.3.5 analogRead(Pin)
    • 5.3.6 pinMode(Pin,mode)
    • 5.3.7 if(){…}else{}
    • 5.3.8 for()
    • 5.3.9 while(condition){…}
    • 5.3.10 Comparison Operators: “>,<,<=,>=,==,!=”
    • 5.3.11 Arithmetic Operators: “+,-,*,/,%,=”
    • 5.3.12 Boolean Operators: “||,&&，!”
    • 5.3.13 #include
    • 5.3.14 #define
    • 5.3.15 Serial.begin(9600)
    • 5.3.16 Serial.print()
    • 5.3.17 Serial.println()
    • 5.3.18 int
    • 5.3.19 char
• 6. Code and Library Download
• 7. Basic Projects
  • 7.1 Light up LED
    • 7.1.1 Introduction
    • 7.1.2 Component Knowledge
    • 7.1.3 Components
    • 7.1.4 Wiring Diagram
    • 7.1.5 Test Code
    • 7.1.6 Test Result
    • 7.1.7 Code Explanation
  • 7.2 Change LED Brightness
    • 7.2.1 Introduction
    • 7.2.2 PWM Principle
    • 7.2.3 Components
    • 7.2.4 Wiring Diagram
    • 7.2.5 Test Code
    • 7.2.6 Test Result
    • 7.2.7 Code Explanation
  • 7.3 Traffic Lights
    • 7.3.1 Introduction
    • 7.3.2 Components
    • 7.3.3 Wiring Diagram
    • 7.3.4 Test Code
    • 7.3.5 Test Result
  • 7.4 RGB LED
    • 7.4.1 Introduction
    • 7.4.2 Component Knowledge
    • 7.4.3 Components
    • 7.4.4 Wiring Diagram
    • 7.4.5 Test Code
    • 7.4.6 Test Result
    • 7.4.7 Code Explanation
  • 7.5 Active Buzzer
    • 7.5.1 Introduction
    • 7.5.2 Component Knowledge
    • 7.5.3 Components
    • 7.5.4 Wiring Diagram
    • 7.5.5 Test Code
    • 7.5.6 Test Result
  • 7.6 Passive Buzzer
    • 7.6.1 Introduction
    • 7.6.2 Component Knowledge
    • 7.6.3 Components
    • 7.6.4 Wiring Diagram
    • 7.6.5 Test Code
    • 7.6.6 Test Result
    • 7.6.7 Extensions
    • 7.6.8 Code Explanation
  • 7.7 Button
    • 7.7.1 Introduction
    • 7.7.2 Component Knowledge
    • 7.7.3 Components
    • 7.7.4 Wiring Diagram
    • 7.7.5 Test Code
    • 7.7.6 Test Result
    • 7.7.7 Code Explanation
  • 7.8 LM35D Temperature Sensor
    • 7.8.1 Introduction
    • 7.8.2 Component Knowledge
    • 7.8.3 Components
    • 7.8.4 Wiring Diagram
    • 7.8.5 Test Code
    • 7.8.6 Test Result
    • 7.8.7 Code Explanation
  • 7.9 Flame Sensor
    • 7.9.1 Introduction
    • 7.9.2 Component Knowledge
    • 7.9.3 Components
    • 7.9.4 Wiring Diagram
    • 7.9.5 Test Code
    • 7.9.6 Test Result
  • 7.10 Tilt Switch
    • 7.10.1 Introduction
    • 7.10.2 Component Knowledge
    • 7.10.3 Components
    • 7.10.4 Wiring Diagram
    • 7.10.5 Test Code
    • 7.10.6 Test Result
  • 7.11 Photoresistor
    • 7.11.1 Introduction
    • 7.11.2 Component Knowledge
    • 7.11.3 Components
    • 7.11.4 Wiring Diagram
    • 7.11.5 Test Code
    • 7.11.6 Test Result
  • 7.12 Potentiometer
    • 7.12.1 Introduction
    • 7.12.2 Component Knowledge
    • 7.12.3 Components
    • 7.12.4 Wiring Diagram
    • 7.12.5 Test Code
    • 7.12.6 Test Result
  • 7.13 1-bit Digital Tube
    • 7.13.1 Introduction
    • 7.13.2 Component Knowledge
    • 7.13.3 Components
    • 7.13.4 Wiring Diagram
    • 7.13.5 Test Code
    • 7.13.6 Test Result
  • 7.14 4-bit Digital Tube
    • 7.14.1 Introduction
    • 7.14.2 Component Knowledge
    • 7.14.3 Components
    • 7.14.4 Wiring Diagram
    • 7.14.5 Test Code
    • 7.14.6 Test Result
    • 7.14.7 Code Explanation
  • 7.15 8*8 Dot Matrix
    • 7.15.1 Introduction
    • 7.15.2 Component Knowledge
    • 7.15.3 Components
    • 7.15.4 Wiring Diagram
    • 7.15.5 Test Code
    • 7.15.6 Test Result
  • 7.16 Relay
    • 7.16.1 Introduction
    • 7.16.2 Component Knowledge
    • 7.16.3 Components
    • 7.16.4 Wiring Diagram
    • 7.16.5 Test Code
    • 7.16.6 Test Result
  • 7.17 Servo
    • 7.17.1 Introduction
    • 7.17.2 Component Knowledge
    • 7.17.3 Components
    • 7.17.4 Wiring Diagram
    • 7.17.5 Test Code
    • 7.17.6 Test Result
  • 7.18 Fan Motor
    • 7.18.1 Introduction
    • 7.18.2 Component Knowledge
    • 7.18.3 Components
    • 7.18.4 Wiring Diagram
    • 7.18.5 Test Code
    • 7.18.6 Test Result
  • 7.19 Ultrasonic Sensor
    • 7.19.1 Introduction
    • 7.19.2 Component Knowledge
    • 7.19.3 Components
    • 7.19.4 Wiring Diagram
    • 7.19.5 Test Code
    • 7.19.6 Test Result
    • 7.19.7 Code Explanation
  • 7.20 Joystick Module
    • 7.20.1 Introduction
    • 7.20.2 Component Knowledge
    • 7.20.3 Components
    • 7.20.4 Wiring Diagram
    • 7.20.5 Test Code
    • 7.20.6 Test Result
  • 7.21 Soil Humidity Sensor
    • 7.21.1 Introduction
    • 7.21.2 Component Knowledge
    • 7.21.3 Components
    • 7.21.4 Wiring Diagram
    • 7.21.5 Test Code
    • 7.21.6 Test Result
  • 7.22 Water Level Sensor
    • 7.22.1 Introduction
    • 7.22.2 Component Knowledge
    • 7.22.3 Components
    • 7.22.4 Wiring Diagram
    • 7.22.5 Test Code
    • 7.22.6 Test Result
  • 7.23 Water Pump
    • 7.23.1 Introduction
    • 7.23.2 Component Knowledge
    • 7.23.3 Components
    • 7.23.4 Wiring Diagram
    • 7.23.5 Test Code
    • 7.23.6 Test Result
  • 7.24 IR Receiver
    • 7.24.1 Introduction
    • 7.24.2 Component Knowledge
    • 7.24.3 Components
    • 7.24.4 Wiring Diagram
    • 7.24.5 Test Code
    • 7.24.6 Test Result
  • 7.25 4x4 Matrix Key Pad
    • 7.25.1 Introduction
    • 7.25.2 Component Knowledge
    • 7.25.3 Components
    • 7.25.4 Wiring Diagram
    • 7.25.5 Test Code
    • 7.25.6 Test Result
  • 7.26 1.3-inch OLED
    • 7.26.1 Introduction
    • 7.26.2 Component Knowledge
    • 7.26.3 Components
    • 7.26.4 Wiring Diagram
    • 7.26.5 Test Code
    • 7.26.6 Test Result
  • 7.27 RFID Module
    • 7.27.1 Introduction
    • 7.27.2 Component Knowledge
    • 7.27.3 Components
    • 7.27.4 Wiring Diagram
    • 7.27.5 Test Code
    • 7.27.6 Test Result
• 8. Comprehensive Projects
  • 8.1 IR Remote Control Small Lamp
    • 8.1.1 Introduction
    • 8.1.2 Components
    • 8.1.3 Wiring Diagram
    • 8.1.4 Code Flow
    • 8.1.5 Test Code
    • 8.1.6 Test Result
  • 8.2 Car Backing Radar
    • 8.2.1 Introduction
    • 8.2.2 Components
    • 8.2.3 Wiring Diagram
    • 8.2.2 Code Flow
    • 8.2.4 Test Code
    • 8.2.5 Test Result
  • 8.3 Fire Alarm
    • 8.3.1 Introduction
    • 8.3.2 Components
    • 8.3.3 Wiring Diagram
    • 8.3.4 Code Flow
    • 8.3.5 Test Code
    • 8.3.6 Test Result
  • 8.4 Digital Fan
    • 8.4.1 Introduction
    • 8.4.2 Components
    • 8.4.3 Wiring Diagram
    • 8.4.4 Code Flow
    • 8.4.5 Test Code
    • 8.4.6 Test Result
  • 8.5 Password Door
    • 8.5.1 Introduction
    • 8.5.2 Components
    • 8.5.3 Wiring Diagram
    • 8.5.4 Code Flow
    • 8.5.5 Test Code
    • 8.5.6 Test Result
  • 8.6 Electronic Measuring Ruler
    • 8.6.1 Introduction
    • 8.6.2 Components
    • 8.6.3 Wiring Diagram
    • 8.6.5 Test Code
    • 8.6.6 Test Result
  • 8.7 LAN WIFI Control
    • 8.7.1 Introduction
    • 8.7.2 Working Principle
    • 8.7.3 Components
    • 8.7.4 Wiring Diagram
    • 8.7.5 Test Code
    • 8.7.6 Test Result
  • 8.8 LAN WIFI Reading
    • 8.8.1 Introduction
    • 8.8.2 Working Principle
    • 8.8.3 Components
    • 8.8.4 Wiring Diagram
    • 8.8.5 Test Code
    • 8.8.6 Test Result
• 9. IOT Projects
  • 9.1 Warming-up for IoT
    • 9.1.1 Introduction
    • 9.1.2 What is MQTT?
    • 9.1.3 Public MQTT Broker
  • 9.2 APP Download and Layout
    • 9.2.1 Download APP
    • 9.2.2 Add Switches
  • 9.3 Remote Control LED
    • 9.3.1 Introduction
    • 9.3.2 Principle Diagram
    • 9.3.3 Components
    • 9.3.4 Wiring Diagram
    • 9.3.5 Test Code
    • 9.3.6 APP Key Layout
    • 9.3.7 Test Result
  • 9.4 Remote Watering System
    • 9.4.1 Introduction
    • 9.4.2 Principle Diagram
    • 9.4.3 Components
    • 9.4.4 Wiring Diagram
    • 9.4.5 Test Code
    • 9.4.6 APP Key Layout
    • 9.4.7 Test Result
  • 9.5 Remote Control Fish Tank
    • 9.5.1 Introduction
    • 9.5.2 Principle Diagram
    • 9.5.3 Components
    • 9.5.4 Wiring Diagram
    • 9.5.5 Test Code
    • 9.5.6 Test Result
  • 9.6 Remote Greenhouse Environment Monitoring
    • 9.6.1 Introduction
    • 9.6.2 Principle Diagram
    • 9.6.3 Components
    • 9.6.4 Wiring Diagram
    • 9.6.5 Test Code
    • 9.6.6 Test Result
  • 9.7 Forest Fire Monitoring
    • 9.7.1 Introduction
    • 9.7.2 Principle Diagram
    • 9.7.3 Components
    • 9.7.4 Wiring Diagram
    • 9.7.5 Test Code
    • 9.7.6 Test Result
• 10. FAQ
  • 10.1 Fails to Upload Code
  • 10.2 Prints No IP on Serial After Code is Uploaded
  • 10.3 Cannot Connect to WiFi
  • 10.4 Does Not Appear USB Port Number
  • 10.5 Does Not Function Properly for Motor, Servo, Water Pump, ESP32 WiFi
  • 10.6 Fails to Connect to MQTT