SunFounder ESP32 Starter Kit
4.8.1 Required Components
In this project, we need the following components.
It’s definitely convenient to buy a whole kit, here’s the link:
Name ITEMS IN THIS KIT LINK
ESP32 Starter Kit 320+
You can also buy them separately from the links below.
COMPONENT INTRODUCTION PURCHASE LINK
ESP32 WROOM 32E
ESP32 Camera Extension -
Breadboard
Jumper Wires
Resistor
Button
4.8.2 You Will Learn
• How the button work
• Reading digital pin and ranges
• Creating a conditional loop
• Adding a backdrop
• Playing sound
4.8.3 Build the Circuit
The button is a 4-pin device, since the pin 1 is connected to pin 2, and pin 3 to pin 4, when the button is pressed, the 4
pins are connected, thus closing the circuit.
4.8. 2.5 Doorbell 499
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