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DFRobot Beetle ESP32 Microcontroller

  • $25.00
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  • DFRobot Beetle ESP32 Microcontroller

    Is FireBeetle-ESP32 too big for your projects? Why not try DFRobot newly launched Beetle-ESP32. This Beetle-ESP32 Microcontroller of 1.38”×1.34” small size is a simplified version of FireBeetle-ESP32 and specially designed for electronic engineering fans and DIY lovers. It is equipped with 4 analog ports, 4 digital ports, UART and I2C interfaces, which would be a perfect replacement of FireBeetle-ESP32. This microcontroller enables users to directly burn programs via the on-board USB interface. Meanwhile, Bluetooth and WIFI are integrated in the microcontroller for supporting more applications. With this Beetle-ESP32, you can easily build up your dreaming project.


    • A small size of 35mm×34mm
    • Enable users to directly download and debug programs through Micro USB, free from programmer.
    • Large-scale I/O ports with gold plating, easy to screw wire on it or to sew the board on the clothes with wires, no need to solder.
    • A group of gold plating power interfaces of honeycomb type, convenient to use.
    • Integrate WIFI and Bluetooth


    • USB Supply Voltage: 5.0V
    • VIN Supply Voltage: DC 3.5-6.5V
    • Processor: Tensilica LX6 dual-core processor (One for high-speed connection; one for independent programming)
    • 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: 2.4~2.5GHz
    • Bluetooth Protocol: comply with BR/EDR/BLE standard of Bluetooth v4.2.
    • On-chip Clock: 40MHz crystal and 32.768 KHz crystal
    • Digital Interface: D2, D3, D4, D7
    • Analog Interface: A0, A1, A2, A3
    • I2C: 1
    • Serial Port: 1
    • Dimension: 35×34mm/1.38×1.34"


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