The FireBeetle 2 ESP32-E is an advanced IoT microcontroller based on the ESP-WROOM-32E module, equipped with dual-core ECO V3 chips, offering improved stability, lower power consumption, and powerful wireless communication. It supports WiFi + Bluetooth dual-mode, USB-C charging, and Arduino programming, making it ideal for smart home automation, wearables, DIY IoT systems, and wireless sensors.
With a compact stamp-hole design, the board fits perfectly into embedded applications while supporting rich I/O including UART, I2C, SPI, and more. Whether you're a developer or hobbyist, it provides flexibility and performance with minimal power consumption.
Key Features
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ESP32-E dual-core microcontroller (ECO V3) with improved PSRAM stability and fault protection
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Supports WiFi (802.11 b/g/n/e/i/k/r) up to 150 Mbps & Bluetooth v4.2
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USB-C powered, onboard charging circuit & PH2.0 lithium battery interface
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Ultra-low power consumption: average 2mA, deep sleep 10µA
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RGB LED, GDI Display Port, and onboard side key for user interaction
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Pre-soldered header version for plug-and-play compatibility
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Compatible with Arduino, MicroPython, and Scratch (future support)
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Ideal for integration with Gravity sensors, IFTTT platforms, and wearable projects
Specifications
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Processor: Tensilica LX6 dual-core, 240MHz
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Flash: 4MB | SRAM: 520KB
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Digital I/O: 10 | Analog Input: 5
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Interfaces: UART x1, SPI x1, I2C x1
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Wi-Fi Protocols: 802.11 b/g/n/e/i/k/r
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Bluetooth Protocols: v4.2 BR/EDR, BLE
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Operating Voltage: 3.3V
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Input Voltage: 3.3V–5.5V
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Operating Temp: -40℃ to +85℃
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Module Size: 25.4mm × 60mm / 1" × 2.36"
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Mount Hole Inner Diameter: 2mm
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Weight: 23g
What’s in the Box
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1x FireBeetle 2 Board ESP32-E (with Header)
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1x 18-pin 2.54mm Pitch Pin (Male)
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1x 18-pin 2.54mm Pitch Pin (Female)
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1x 14-pin 2.54mm Pitch Pin (Male)
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1x 14-pin 2.54mm Pitch Pin (Female)
Compatibility Notice
Please note: FireBeetle 2 is not compatible with original FireBeetle shields or their expansion boards due to different pin layouts and dimensions.