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.
Features
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.
Specifications
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
Unlock the potential of your IoT projects with the DFR FireBeetle ESP-WROOM-32 MCU. This compact microcontroller features dual-core performance, Wi-Fi, and Bluetooth capabilities, enabling seamless connectivity and efficient power management. Perfect for low-power applications, it supports various programming methods, making development easy and versatile for makers and professionals alike. Elevate your projects with this powerful and flexible IoT solution today!
