Overview
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
Additional Information
