12 Mind-Blowing ESP32 Projects to try in 2024!

Summary

This video showcases a variety of innovative ESP32 projects. Highlights include a miniature messaging device for short-range communication, a 3D-printed RC excavator with precise controls, a DIY anti-theft alarm system, a remote-controlled paper airplane, a magical LED-activated box, a GPS speedometer, a DIY internet radio, a portable retro audio player, a smart exhaust fan system, a toy gun with sound effects, a decibel meter, and a comprehensive DIY weather station. Each project demonstrates the versatility of the ESP32 microcontroller.

Takeaways

• 📱 Number 12: A mini messaging device using ESP32 for short-range communication with a max message length of 20 characters.
• 🚜 Number 11: A DIY 3D-printed excavator controlled by an ESP32 microcontroller, operated with a PS3 controller, capable of various tasks.
• 🏠 Number 10: An ESP32-based DIY anti-theft alarm system with a magnetic read switch and addressable LEDs, controllable via smartphone.
• ✈️ Number 9: A remote-controlled paper airplane project that can be made with or without a 3D printer, controlled via smartphone.
• 🎩 Number 8: A 'magical' box that lights up LEDs based on the color of a cap using Hall sensors and magnets.
• 🛠️ Number 7: A simple GPS speedometer project displaying real-time speed, direction, and other GPS data.
• 📻 Number 6: A DIY internet radio with a TFT display and audio module, featuring a rotary encoder for channel selection.
• 🎵 Number 5: A portable retro audio player that plays music from a Micro SD card, with a '90s-style interface including mechanical buttons.
• 🌀 Number 4: A smart exhaust fan system monitoring gas levels, temperature, and humidity, controlled via a dynamic blink dashboard.
• 🔫 Number 3: A DIY toy gun with sound effects and an ammo status display, inspired by the sound of a relay module.
• 📊 Number 2: A decibel meter using a sound level detection sensor, displaying sound levels on an OLED with data monitoring on a dashboard.
• 🌦️ Number 1: A comprehensive DIY weather station monitoring temperature, pressure, humidity, wind speed, direction, and rainfall, with自制 sensors and local or web display options.

Q & A

What is the primary function of the miniature messaging device mentioned in the video?

The miniature messaging device sends short messages using two-way ESP32 communication.

What are the limitations of the miniature messaging device?

The device is suitable only for short-range communication and each message can be up to 20 characters long.

What is unique about the DIY excavator project?

The excavator is made from scratch using a 3D printer and is controlled by an ESP32 microcontroller, with operations managed via a PS3 controller.

What are some of the tasks the DIY excavator can perform?

The excavator can perform tasks like building tiny cabins, moving objects, climbing boxes up to twice its height, and even flying a toy plane.

How does Giovani's anti-theft alarm system work?

The system requires a passcode to open the door; otherwise, it triggers an alarm. Each movement activates an LED sequence and sends a notification to the smartphone.

What is the main challenge in creating Max's remote-controlled paper airplane?

The main challenge is assembling all the components precisely onto the plane.

How does Sachin's magical box work?

The box uses Hall sensors and magnets to light up the LED corresponding to the cap color when the switch is pressed.

What is special about the GPS speedometer created by Eric?

It displays real-time speed and direction information along with other GPS data such as coordinates, altitude, and the number of connected satellites.

What features does Merco's DIY internet radio include?

The radio includes a TFT display, audio module, rotary encoder for channel selection, and a power switch with a notification LED.

What is unique about the smart exhaust fan system powered by the ESP32?

The system uses an MQ2 gas sensor and the DHT11 humidity/temperature sensor to track gas levels, temperature, and humidity, with data displayed on a dynamic Blink dashboard.

What are the three operating modes of Volos's DIY toy gun?

The toy gun has three modes: a single click sound, a short burst sound, and a continuous burst sound.

How does the decibel meter project measure sound levels?

The decibel meter uses a sound level detection sensor to measure sound levels ranging from 35 dB to 115 dB, displaying the level on an OLED.

What additional features does Giovani's weather station have compared to typical DIY weather stations?

Giovani's weather station monitors wind speed, direction, and rainfall amount, in addition to temperature, pressure, and humidity.