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Angled shot of Beetle ESP32-C3 board with RISC-V microcontroller and IoT features-DFRobot product sku:DFR0868 image.
Angled shot of back of Beetle ESP32-C3 miniature controller for wearable dev board
Side shot showing mini IoT development board with RISC-V microcontroller
Front of mini IoT device with onboard battery charging and WiFi Bluetooth 5 connectivity
angled shot of back of Beetle ESP32-C3 development board with mini IoT device and wearable dev board features highlighted
angled shot of detail of coin-size ESP32-C3 IoT board with onboard battery charging
angled shot of miniature controller with ESP32-C3 board, RISC-V microcontroller for wearable IoT projects
Angled shot of mini IoT device with wearable dev board features
Angled shot of back of coin-size ESP32-C3 IoT board with RISC-V microcontroller and onboard battery charging.
Angled shot of coin-size Beetle ESP32-C3 with onboard battery charging and WiFi Bluetooth 5 interface

Beetle ESP32 - C3 (Mini RISC-V Core IoT Development Board)

$7.90
SKU: DFR0868
Volume Discount
  • $7.80 3+ items
  • $7.70 5+ items
  • $7.30 10+ items
Compact IoT controller with ESP32-C3 RISC-V processor, featuring WiFi, Bluetooth 5, and lithium battery management for smart wearable integration.
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IntroductionFeaturesApplicationsSpecificationShipping List Documents Resource FAQ

Introduction

The Beetle ESP32-C3 is a miniature controller based on the ESP32-C3 32-bit single-core RISC-V processor. It operates at a main frequency of 160 MHz with 400KB SRAM and 4MB Flash. The board measures 25mm x 20.5mm and supports Wi-Fi (IEEE 802.11b/g/n) and Bluetooth 5 (LE) communication. It features an onboard lithium-ion battery charging management function with a maximum charge current of 400mA. The device provides 13 digital I/O ports. An expansion board is included for easier soldering and connectivity, featuring an easy-to-connect GDI. It can be programmed via Arduino IDE, ESP-IDF, and MicroPython.

Beetle ESP32-C3 intended for IoT applications


Mini Size and User-Friendly

On a coin-size board of 25*20.5 mm,The Beetle ESP32-C3 is up to 13 IO ports broken out, so you don't have to worry about running out of IO ports when making projects. Moreover, its mini size effortlessly integrates into a miniature devices and offering both powerful functions and connectivity.

For instance smart wearables, the Beetle ESP32-C3 microcontroller's mini size make it an ideal choice for intelligent wearables like smartwatches and smart glasses. It can connect with smartphones, enabling health monitoring, and delivering message notifications, it accomplishes all this without sacrificing the device's form factor or increasing its weight.

Beetle ESP32-C3 Mini Size

The equipped expansion board for Beetle ESP32-C3 brings out more power sources without increasing product volume, more convenient for solder. Besides, the onboard easy-to-connect GDI saves the trouble of wiring when using a screen.

Beetle ESP32-C3 (RISC-V Chip) Pin Diagram

Pin Diagram


More Safety

Meanwhile, the li-ion battery charging management function is integrated on the board which allows for directly connecting the li-ion battery without extra modules, while ensuring the application size and safety.


Dual-Mode Communication

Beetle ESP32-C3 supports WiFi and Bluetooth 5 (LE) dual-mode communication that reduces the difficulty of networking, and also both Bluetooth Mesh protocol and Espressif WiFi Mesh are supported for more stable communication and a larger coverage area, applicable to a wide range of IoT application scenarios.


Detailed tutorial

Detailed tutorials for Beetle ESP32-C3 are provided for users to use the controller’s WiFi function, such as connecting to IoT platforms like Aliyun, IFTTT, etc. Or users can use various sensors and actuators from DFRobot to build up IoT systems.

Beetle ESP32-C3 can be programmed by Arduino IDE, ESP-IDF, MicroPython, C, and Python are both supported.

V2.0.0 Modification: BOOT (IO9) and RST buttons are added for entering download boot mode and resetting more easily.

Features

  • Small size: only 25*20.5 mm
  • More Safety:Onboard Lithium charging management function, safer charging and discharging
  • Comes with expansion board, more convenient to make projects or use with a screen
  • Dual-Mode Communication:Support WiFi and Bluetooth 5(LE) dual-mode communication
  • RISC-V 32bit core

    • Applications

    Beetle ESP32-C3 (RISC-V Chip) wide range of application fields

    Wide range of application fields

    Specification

    Basic Parameter

  • Operating Voltage: 3.3V
  • Type-C Input Voltage: 5V DC
  • VIN Input Voltage: 5V DC
  • Operating Current: 25mA
  • Maximum Charging Current: 400mA
  • Operating Temperature: -40~105℃
  • Size: 25 x 20.5mm/0.98 x0.81”


    • Hardware Parameter

  • Processor: 32bit RISC-V Single-core processor
  • Main Frequency: 160 MHz
  • SRAM: 400KB
  • ROM: 384KB
  • Flash: 4MB
  • RTC SRAM: 8KB
  • Clock: external crystal(32kHz); internal fast RC oscillator 17.5MHz(adjustable); PLL clock
  • USB: USB 2.0 Up to 12Mbit/s


    • WiFi

  • WiFi Protocol: IEEE 802.11b/g/n
  • Bandwidth: Supports 20 MHz, 40 MHz bandwidth in 2.4GHz band
  • WiFi Mode: Station, SoftAP, SoftAP+Station and promiscuous mode
  • WiFi Frequency: 2.4GHz
  • Frame Aggregation: TX/RX A-MPDU, TX/RX A-MSDU


    • Bluetooth

  • Bluetooth Protocol: Bluetooth 5, Bluetooth mesh
  • Bluetooth Frequency: 125 Kbps, 500 Kbps, 1 Mbps, 2 Mbps


    • Ports

  • Digital I/O x13
  • LED PWM 6 Channel
  • SPI x1
  • UART x2
  • I2C x1
  • I2S x1
  • IR Transceiver: transmit channel x2, receive channel x2(random pin)
  • 2 × 12-bit SAR ADCs, up to 6 channels
  • DMA controller, with 3 transmit channels and 3 receive channels

    • Shipping List

  • Beetle ESP32-C3 x1
  • Beetle ESP32-C3 Expansion Board x1
  • 2.54-8P Black Single-row Pin Connector x1

    • Documents

    Resource

    AllProjectsBlogTutorialCourseMedia
    Arduino I2C MIDI Interface

    Projects Arduino I2C MIDI Interface

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    Kevin
    Jan 02, 2022
    DigiPclock - a Digital Pocket Clock

    Projects DigiPclock - a Digital Pocket Clock

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    Instructables
    May 21, 2023
    Smart Home with Beetle ESP32 C3🐞 and Wear OS

    Projects Smart Home with Beetle ESP32 C3🐞 and Wear OS

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    Pradeep, Common9899, Akarsh Agarwal
    Jan 05, 2023
    Experiment: 1.51″ transparent display with Firebeetle ESP32-E and Beetle ESP32-C3

    Projects Experiment: 1.51″ transparent display with Firebeetle ESP32-E and Beetle ESP32-C3

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    Peter Dalmaris
    Aug 23, 2022
    ALIENS! Making Your Circuit Boards Into Multiuse Protoboards!

    Projects ALIENS! Making Your Circuit Boards Into Multiuse Protoboards!

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    CMoz
    Jul 28, 2022
    Detect Ripeness with TensorFlow! 🍎🍌 Learn How

    Projects Detect Ripeness with TensorFlow! 🍎🍌 Learn How

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    Kutluhan Aktar
    Jul 06, 2021
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    FAQ

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    Beetle ESP32 - C3 (Mini RISC-V Core IoT Development Board)
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