FireBeetle ESP32 IoT Microcontroller with 250+ ESP32 Tutorials (Supports Wi-Fi & Bluetooth)

The DFRobot FireBeetle series offers optimized low-power microcontrollers designed specifically for IoT projects. In this series, the FireBeetle ESP32 stands out as a formidable IoT controller. This ESP32 development board integrates the dual-core ESP-WROOM-32 module, supporting dual-mode communication for microcontroller, Wi-Fi, and Bluetooth. As a result, ESP32 microcontroller to find wider applications in low-power IoT projects, encompassing a broader range of possibilities.

Over 250 Detailed Tutorials

What's more, FireBeetle ESP32 microcontroller offers over 250 detailed tutorials that cover a wide range of topics, from basic installation and programming to advanced application development. These tutorials provide robust support for both beginners and experienced developers.

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Wireless connectivity and remote control play a vital role in IoT project development. However, many microcontrollers lack built-in Wi-Fi and Bluetooth capabilities, making wireless implementation complex and expensive. Even when these functionalities are integrated into development boards, they often come with high costs and limited options for deep development. The FireBeetle ESP32 microcontroller solves this problem by offering both powerful microcontroller performance and support for WiFi and Bluetooth development. With its affordable price, it perfectly fulfills your project needs.

Supports Two Power Supply

Moreover, the FireBeetle ESP32 development board supports two power supply options: USB and an external 3.7V lithium battery. It also boasts automatic power source switching when operated on dual power, making it particularly suitable for battery-powered, low-power IoT projects.

Rich Interface and Resources

Furthermore, the FireBeetle ESP32 development board is equipped with an array of interfaces and resources, including 5 analog pins, 10 digital pins, 1 UART interface, 1 SPI interface, 1 I2C interface, and an SD card interface. These interfaces adequately meet most of your project requirements, enabling the FireBeetle ESP32 to seamlessly connect to various sensors and actuators, showcasing its impressive scalability.

Supports Multiple Programming Methods

ESP32 microcontroller is notable for its seamless integration with the Arduino IDE, eliminating the need for manual mode switching and enabling effortless downloads. It supports multiple programming methods, including Arduino, IDF, MicroPython, and Mind+ graphical programming. Furthermore, it features pin mapping for Arduino IDE, allowing for direct pin configuration using Dx notation and ensuring compatibility with UNO, simplifying the learning process.

If the ESP32 development board doesn't meet your requirements, you can refer to the FireBeetle series selection guide to find a more suitable model.

FireBeetle Series

FireBeetle is a compact and high-performance series of Arduino development boards. It seamlessly integrates with the Arduino IDE and offers a wide range of software and hardware resources. Supporting various development environments like Arduino IDE, Mind+, pinpong, and MicroPython, FireBeetle provides flexibility and open-source capabilities. With concise programming methods, comprehensive tutorials, and user-friendly Gravity peripherals, FireBeetle is a powerful tool for students, electronics enthusiasts, artists, and designers to simplify the complexities of circuit design, programming, and communication protocols.

Version Upgrade:

1. Add a new anti-reverse connection silk-screen.

2. Change the Lipo battery connector direction.

• Equipped with the ESP-WROOM-32 dual-core chip, operating at a frequency of 240MHz, and featuring 16MB Flash and 520KB SRAM, it supports dual-mode communication via WiFi and Bluetooth.
• Supports dual power supply from USB and an external 3.7V lithium battery with automatic switching functionality.
• Compact in size, making it ideal for IoT low-power projects with limited space.
• Arduino IDE compatible, enabling convenient development with one-click downloading.
• 5. Supports various programming methods, including Arduino IDE, IDF, Micropython, and Mind+ graphical programming.

• Working voltage: 3.3V
• Input voltage: 3.3V~5V
• Support maximum discharge current: 600mA
• Support maximum charge current: 500mA
• Support USB charging.
• Processer: Tensilica LX6 dual core processer (One for high speed connection; one for independent programing).
• Frequency: 240MHz
• SRAM：520KB
• Flash：16MB
• Wi-Fi standard：FCC/CE/TELEC/KCC
• Wi-Fi protocol: 802.11 b/g/n/d/e/I/k/r (802.11n, high speed can reach to 150 Mbps), converge A-MPDU and A-MSDU, supporting 0.4us protecting interval.
• Frequency range: 2.4~2.5 GHz
• Bluetooth protocol: Comply with BR/EDR/BLE standard of Bluetooth v4.2.
• Bluetooth audio: the current under low power consumption of CVSD and SBC is 10μA
• Working current: 80mA in average
• Frequency range: 2.4~2.5GHz
• Support one-key downloading.
• Support micropython.
• On-chip clock: 40MHz crystal and 32.768 KHz crystal.
• Digital I/O: 10 (default setting of arduino)
• Simulative input: 5(default setting of arduino)
• SPI: 1 (default setting of arduino)
• I2C: 1 (default setting of arduino)
• I2S: 1 (default setting of arduino)
• LED_BUILTIN：D9
• Interface: FireBeetle series compatible
• Working temperature: -40℃~+85℃
• Dimension: 29 × 58(mm)/1.142 x 2.283(inches)
• The dimension of mounting hole: inner diameter 3.1mm; outside diameter 6mm.

Project 1. ESP32 Deep Sleep Tutorial for Low Power Projects

Introduction: Learn how to put the ESP32 chip into the Deep Sleep mode in order to conserve power and make our projects battery friendly.

Project 2. How to Use Bluetooth(BLE) With ESP32

Introduction: Learn how to use the ESP32 board to send temperature reading over Bluetooth Low Energy.

Project 3. ESP32, more powerful than any other Arduino

Project 4. Controlling Air Conditioner temperature automatically with ESP32

Introduction: This tutorial teaches you how to fetch the real-time weather data with a microcontroller and how to mimic the air conditioner remote control that uses IR (Infrared) technology to control the AC using an IR transmitter.

Project 5. Solar Weather Station Using ESP32

Introduction: This project aims at building a Weather Station and send the data to your channel. The system will be placed on the balcony and will retrieve temperature, humidity and air pressure.

• Product Wiki 

• FireBeetle ESP32 IOT Microcontroller x1
• 18 pin-2.54mm x2
• 18 female header-2.54mm x2