SunFounder ESP32 Starter Kit
2.9 Video 9: Toggle LED with Push Button
This tutorial is aimed at beginners, providing a practical guide to using a push button to control an LED with the ESP32.
• Project Focus: Teaches how to read a push button’s state and toggle an LED on and off.
• Components: Includes ESP32, breadboard, jumper wires, resistors, LED, and push button.
• Wiring and Setup: Provides wiring instructions for connecting the push button and LED to ESP32.
• Arduino Code: Explains the code for button state reading and LED toggling.
• Practical Demonstration: Showcases the LED being toggled using the push button.
Video
Related On-line Tutorials
• 5.1 Reading Button Value
2.10 Video 10: Digital Counter with Seven-Segment Display
This tutorial is designed for learners who want to explore digital displays and counters using the ESP32 module.
• Project Scope: Create a 0-9 counter, reverse it, and display letters A-E using ESP32.
• Components: Includes ESP32, seven-segment display, 74HC595 shift register, resistors, and wiring.
• Seven-Segment Basics: Explains segment control for displaying numbers and letters.
• Wiring Guide: Details how to wire the display to the ESP32 and shift register.
• Arduino Code: Describes the code for controlling the counter and display segments.
• Demonstrations: Shows practical applications, including digit and letter display.
Video
Related On-line Tutorials
• 2.5 7 Segment Display
2.11 Video 11: Using LCD1602/LCD2004 with ESP32
Learn to use LCD screens with ESP32 for displaying text and other information:
• LCD Types: Tutorial covers both LCD1602 (16 characters, 2 lines) and LCD2004 (20 characters, 4 lines).
• Key Features: Explains adjusting contrast and using I2C communication for simpler wiring.
• Components: Utilizes the ESP32 board, LCD screen, and necessary wires.
• Wiring Guide: Step-by-step instructions on connecting the LCD to ESP32, including power connections and
data lines.
• Arduino Code: Detailed explanation of the Arduino code for displaying text on the LCD.
• Demonstrations: Shows practical applications like displaying a counter and custom text on the LCD.
• Contrast Adjustment: Tips on setting the right contrast for clear visibility.
• LCD Color Recommendation: Advises on choosing a green LCD for better display quality over blue.
2.9. Video 9: Toggle LED with Push Button 257
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