Beetle ESP32 Microcontroller

This Beetle ESP32 Microcontroller is just 35x34mm in size, and is a simplified version of DFRobot's FireBeetle-ESP32. It is equipped with 4 analog ports, 4 digital ports, UART and I2C interfaces.

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 new project.

Features

• Just 35mm×34mm in size
• Enable users to directly download and debug programs through Micro USB, free from programmer.
• Large 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

Specifications

• 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 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: 2.4~2.5GHz
• 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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