Top 5 ESP32 Projects for Beginners [With Code, Circuit Diagrams & Shopping Links]

Would you like to learn ESP32 through practical projects? Well, WE GOT YOU! In this blog, we have chosen the top 5 projects that are easy on the eye and simple to implement. To make everything easier, we have included all materials needed to make the projects come alive, including source code, circuit diagrams, and shopping links

Why Did We Go For ESP32?

The range of applications possible with the ESP32 is vast due to its powerful dual-core microprocessor, which has incorporated WiFi and Bluetooth technology, making it very suitable for DIY, IoT, and smart automations. It is also cost-effective and easy to learn, as well as offering a lot of community support.

What You’ll Need for All Projects

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“Starter pack for your ESP32 journey”

Project 1: Weather Monitoring Using ESP32 Wi-Fi Module

Description:

• Components:
  
  

• ESP32 Dev Board—Buy here
  
  

• OLED Display "0.96"—Buy here
  
  

• Circuit Diagram:
  Connect SDA to GPIO 21 and SCL to GPIO 22
  
  

• Code:
  Download Source Code
  
  

Project 2: ESP32-Based Door Locking System Using Keypad

Description:
Develop an electronic door lock system with a keypad by using a 4x4 keypad alongside a servo motor controlled with an ESP32 module.

• Components:
  
  

• 4x4 Keypad—Buy here
  
  

• Servo Motor (SG90) – Buy here
  
  

• Circuit Diagram:
  Connect keypad rows/cols to GPIO pins the servo to GPIO 18
  
  

• Code:
  Download Code
  
  

Project 3: IoT Smart Light Control with Mobile Browser

Description:
Control an LED connected to ESP32 with your smartphone over Wi-Fi.

• Components:
  
  

• LED—Buy here
  
  

• 220-ohm Resistor—Buy here
  
  

• Circuit Diagram:
  Connect LED and resistor to GPIO 5
  
  

• Code:
  Download Code
  
  

Project 4: Heart Rate Pulse Monitoring system using ESP32 

Description:
Detects a pulse using a pulse sensor connected to ESP32 with an OLED display to show the current BPM reading on the serial monitor or OLED.

• Components:
  
  

• Pulse Sensor—Buy here
  
  

• OLED Display (optional): Buy here
  
  

• Circuit Diagram:
  Pulse Sensor to GPIO 34 (Analog Input)
  
  

• Code:
  Download Code
  
  

Project 5: Clap Switch for Home Appliances using ESP32

• Components:
  
  

• Sound Sensor Module—Buy here
  
  

• Relay Module—Buy here
  
  

• Circuit Diagram:
  Sound sensor OUT → GPIO 14
  Relay IN → GPIO 27
  
  

• Code:
  Download Code
  
  

Final Thoughts

These 5 projects powered by the ESP32 are perfect for novices who want to explore the realms of automation and the Internet of Things (IoT) technology. Once you complete these, you will be ready for the more advanced stuff like home automation dashboards, voice control, and camera modules. 

Recommended Kits to Get Started:

• ESP32 Starter Kit with Sensors (All-in-One)
  
  

• ESP32 + OLED Combo Pack
  
  

• Complete Jumper Wire Set—Buy Now