FireBeetle 2 ESP32-E – Battery-Ready IoT Microcontroller with Wi-Fi & Bluetooth

Easy-to-Use ESP32 Development Board for Everyday Makers

The FireBeetle 2 ESP32-E is a compact and affordable IoT microcontroller designed for anyone looking to build smart devices and connected projects. Featuring built-in Wi-Fi and Bluetooth, this battery-ready ESP32 microcontroller is perfect for smart home automation, wearable electronics, DIY sensors, and other Internet of Things solutions.

Built on the trusted ESP-WROOM-32E module, FireBeetle 2 is easy for beginners and advanced users alike, letting you connect to the cloud and control your projects wirelessly with very low power consumption.

Wireless Connectivity with Wi-Fi & Bluetooth

Enjoy reliable wireless connections with dual-mode Wi-Fi (802.11 b/g/n) and Bluetooth 4.2. Easily connect your FireBeetle 2 ESP32-E to your smartphone, tablet, or IoT platforms like IFTTT, and control or monitor your smart devices from anywhere at home.

Designed for Low Power and Battery Projects

The FireBeetle 2 ESP32-E consumes just 10μA in deep sleep, making it ideal for battery-operated IoT gadgets. The on-board charging circuit and dedicated PH2.0 lithium battery interface make powering your projects straightforward and safe. Charge via USB-C for fast and convenient charging.

Beginner-Friendly Coding & Maker Support

This user-friendly ESP32 board supports Arduino programming out of the box. Very soon, it will also offer Scratch graphical coding and MicroPython support—great for kids, educators, and hobbyists. Thanks to detailed online tutorials, a huge community, and plug-and-play compatibility with DFRobot Gravity sensors (no soldering required!), getting started is easy.

Key Features:

ESP32 dual-core, low-power main controller with 10μA power consumption
Wi-Fi and Bluetooth 4.2 dual-mode
Onboard USB-C charging circuit, PH2.0 battery interface
Ultra-compact: only 25.4 x 60 mm, weighs just 23g
Support for Arduino, Scratch, and MicroPython programming
Easy expansion with plug-and-play Gravity sensors and actuators
RGB LED and user button for interactive projects
Fool-proof circuit protection and two-sided silkscreen for easy pinouts
GDI display port for connecting compatible screens
FCC/CE/TELEC/KCC certified Wi-Fi module

Technical Specifications

SKU: DFR0478 | Vetco Product Number: VUPN2235
Microcontroller: ESP32-E, Tensilica LX6 dual-core, 240MHz
Operating Voltage: 3.3V (input 3.3V ~ 5.5V)
SRAM: 520KB, Flash: 32Mbit (4MB)
Wireless: Wi-Fi (802.11 b/g/n), Bluetooth 4.2 BR/EDR and BLE
Power: USB-C charging; max charge current 500mA; max discharge current 600mA
I/O: 10 Digital, 5 Analog, 1 UART, 1 I2C, 1 SPI, 1 I2S
Special Features: RGB_LED, fool-proof pinout, DisplayPort (GDI), stamp hole for easy PCB embedding
Mount Hole Size: 2.0mm inner diameter
Operating Temp: -40℃ to +85℃
Dimensions: 25.4 x 60 mm
Weight: 23g

What’s New in FireBeetle 2 ESP32-E?

Data encryption chip for extra program security
New GDI display port for easy screen connection
Fool-proof hardware design and improved power management
Upgraded silkscreen labeling for easy wiring

Note: FireBeetle 2 is not pin-compatible with original FireBeetle boards or their expansion boards.

Get Creative with the FireBeetle 2 ESP32-E

Start your IoT project today with the FireBeetle 2 ESP32-E—an easy-to-use battery-ready ESP32 development board packed with features for wireless connectivity, smart automation, and fun experimentation. Need help getting started? Detailed guides and community support are always available.

ESP32 Boards & Accessories

ESP32 Development Board ESP-WROOM-32 (D67)

FireBeetle 2 ESP32-E Battery Ready - IoT Microcontroller (Supports Wi-Fi & Bluetooth) (D74)

NodeMCU ESP8266 ESP-12 WiFi Development Board (D54)

ESP32-CAM WiFi Bluetooth Camera Module Development Board With Camera (D111)

ESP32 Prototyping Expansion Board - For Wroom Only (D7)

DFRobot FireBeetle 2 ESP32-P4 AI Kit (D103)