FireBeetle 2 ESP32-E (N16R2) IoT Microcontroller (Supports Wi-Fi & Bluetooth)

The FireBeetle 2 ESP32-E (N16R2) equipped with 16M Flash and 2M PSRAM. It is designed to provide superior performance for applications such as the LVGL graphics library for interface design and interaction. Built on the foundation of Espressif's ESP32-WROOM-32E-N16R2 module, it boasts a 32-bit dual-core processor with a clock frequency of up to 240MHz. With support for WiFi and Bluetooth dual-mode communication, it is an ideal choice for IoT scenarios.

Abundant peripheral interfaces

Including 17 digital pins, 11 analog pins, 3 UART interfaces, 1 SPI interface, 1 I2C interface, 1 I2S interface, and 2 DAC interfaces, it can meet various hardware connection needs.

Dual power supply modes

Supporting both USB and external 3.7V lithium battery power supply, it can automatically switch between power sources under dual power supply, and supports both USB and external DC charging modes.

Support for multiple programming methods

Including Arduino IDE, ESP-IDF, Micro-Python, etc., catering to different developers' programming habits.

Compact design, convenient for embedding

With a size of only 25.4mm × 60mm, onboard WiFi and Bluetooth antennas, and using stamp hole design, it is convenient to embed or integrate into PCB prototypes.

Wide range of application scenarios

It is suitable not only for home automation renovation, IoT project prototyping, IoT remote control, remote robot control, but also for projects running LVGL graphics library for interface design or interaction.

In addition, this product is one of the low-power IoT development boards in the FireBeetle series. If it does not meet your requirements, you can choose a more suitable model by referring to the FireBeetle series selection guide.

Board Overview of FireBeetle 2 ESP32-E (N16R2) Development Board

• Equipped with ESP32-WROOM-32E-N16R2 dual-core module
• Clock frequency up to 240MHz, with 16M Flash and 2M PSRAM for large memory capacity
• Low-power development board, supporting dual-mode communication of WiFi and Bluetooth
• Onboard GDI display interface for quick connection to display screens
• Onboard charging circuit and PH2.0 lithium battery interface, supporting dual power supply and automatic switching
• Supports various programming methods such as Arduino IDE, ESP-IDF, Micro-Python
• Compact design, small size, suitable for space-limited and embedded IoT projects

• Home automation renovation
• Remote control of robots
• Environmental data monitoring
• Smart lighting control
• Control panel UI design

Power Parameters

Input Voltage

• USB-C interface: 5V DC
• PH2.0 interface: 3.7V Li-ion
• VCC pin: 5V DC




MCU Parameters

• Processor: Tensilica LX6 dual-core processor (one core for high-speed connectivity, one core for independent application development)
• Clock Frequency: 240MHz
• SRAM: 520KB
• ROM: 448KB
• Flash: 16MB
• PSRAM: 2MB
• On-chip Clock: 40MHz crystal oscillator, 32.768KHz crystal oscillator




Wireless Parameters

• Wi-Fi Standard: FCC/CE/TELEC/KCC
• Wi-Fi Protocol: 802.11 b/g/n/d/e/i/k/r (802.11n, up to 150 Mbps), A-MPDU and A-MSDU aggregation, supports 0.4us protection interval
• Wi-Fi Frequency Range: 2.4~2.5 GHz
• Bluetooth Protocol: Compliant with Bluetooth V4.2 BR/EDR and BLE standards
• Bluetooth Audio: CVSD and SBC audio
• Bluetooth Frequency Range: 2.4~2.5GHz




Peripheral Parameters

• Digital Pins × 17: IO0, IO1, IO2, IO3, IO4, IO12, IO13, IO14, IO15, IO17, IO18, IO19, IO21, IO22, IO23, IO25, IO26
• Analog Pins × 11: IO0, IO2, IO4, IO12, IO13, IO14, IO15, IO25, IO26, I34, I35
• UART Interfaces: ×3
• SPI Interface: ×1
• I2C Interface: ×1
• I2S Interface: ×1
• DAC Interface: ×2
• Touch Interfaces: ×7
• LED PWM Channels: ×16
• RGB_LED: WS2812
• Display Interface: GDI




Other Parameters

• Interface Compatibility: FireBeetle V2 series compatible
• Module Size: 25.4mm × 60mm
• Weight: 23.4g

• Product wiki
• Datasheet
• Schematic
• 2D File
• STP File
• Shell stl file

• FireBeetle 2 ESP32-E (N16R2) IoT Microcontroller x1
• 18pin-2.54mm Pitch Pin x1
• 18pin-2.54mm Pitch Pin Female x1
• 14pin-2.54mm Pitch Pin x1
• 14pin-2.54mm Pitch Pin Female x1