DFRobot FIREBEETLE BOARD-ESP32 - Quick-start Guide for FireBeetle ESP32; FireBeetle Board-ESP32 Hardware

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Chapter2: Quick-start
FireBeetle Board-ESP32 Hardware
In the Chapter1, we have introduced pins and corresponding peripheral default profiles of Arduino
IDE. Please refer to the Chapter1 if you have any enquiry related to the special provision of pins.
Characteristics
 Working voltage: 3.3V
 Input voltage: 3.3V~5V
 Support electric current of low power consumption: 10 μA
 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：16Mbit
 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℃