FireBeetle ESP32 IOT Microcontroller with WiFi

The DFRobot FireBeetle series are low-power microcontrollers specifically designed for Internet of Things (IoT) projects. These series microcontrollers target low-power IoT nodes to quickly and easily build the IoT hardware platform. The FireBeetle Board - ESP32 integrates a dual-core ESP-WROOM-32 module, which supports MCU and Wi-Fi & Bluetooth dual-mode communication. The electric current is only 10μA in deep sleep mode. The ESP32 FireBeetle Board supports two power supply methods: USB 5V and 3.7V via external LiPo / lithium battery. The board also includes a charging controller so you can charge the LiPo battery via the USB port. FireBeetle Board-ESP32 has a special hardware design for the Arduino IDE. You can upload programs to the microcontroller without switching the boot mode manually. A pin mapping for the FireBeetle ESP32 is also present in the Arduino IDE. The small size and high performance make FireBeetle an ideal solution for low-power IoT projects. We recommend the ESP32 only for advanced users as it is not yet supported by all Arduino libraries.

There are three types of FireBeetle: the main control boards, the covers extension boards, and the general accessories. 

Note: To monitor the battery voltage on A0/GPIO36, the two resistors R10 and R11 must be bridged with a solder jumper.

Features:

• Compatible with DFRobot FireBeetle series products
• Compatible with Arduino software
• Very low power consumption (the current in DeepSleep is 10μA)
• Cost-effective
• Compact size
• Charging of lithium battery via USB thanks to the integrated charging controller (TP4056) and LiPo connector JST 2.0mm
• LiPo voltage measurable via A0
• Mounting holes available diameter 3.1mm

Documentation:

• DFRobot Wiki
• Schematic
• User Manual FireBeetle ESP32
• CH340 Driver MacOS or Download Area

Technical Details:

• Version: 4.0
• Operating voltage: 3.3V
• Input voltage: 3.3V to 5V (I/O compatible only 3.3V)
• DeepSleep current: 10μA
• Interface: Compatible with the FireBeetle series
• Supports MicroPython
• Supports USB charging of Li-Po (JST 2.0mm)
• Maximum discharge current: 600mA (RT9080)
• Maximum charge current: 500mA
• Dual-core Tensilica LX6 microprocessor
• Up to 240MHz clock frequency
• 520kB internal SRAM
• Integrated 802.11 BGN WiFi transceiver
• Integrated dual-mode Bluetooth (BLE and Classic)
• SRAM: 520KB
• Flash: 16Mbit
• Wi-Fi standard: FCC/CE/TELEC/KCC
• Wi-Fi protocol: 802.11 b/g/n/d/d/e/i/k/r (802.11n, high speed can reach up to 150 Mbit/s)
• Frequency range: 2.4 to 2.5 GHz
• Bluetooth protocol: Complies with Bluetooth v4.2 BR/EDR/BLE standard.
• Bluetooth audio: The current at low power of CVSD and SBC is 10μA
• Operating current: 80mA on average
• Supports capacitive touch sensors
• Operating temperature: -40°C to +85°C
• Mounting holes diameter: 3.1mm
• Dimension: 24 × 53mm
• Weight: 25g

Scope of Delivery:

• 1x FireBeetle ESP32 IOT microcontroller with WiFi (Version 4.0)
• 2x Pin header 1x18 pin
• 2x Long pin female header 1x18 pin