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Compact controller suits range of IoT applications

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By Rich Pell


Based on the latest ESP32-C3 RISC-V 32bit single-core processor, the Beetle ESP32-C3 controller is offered as ideal for IoT applications covering a wide range from consumer electronics, wearables up to industrial IoT (IIoT) like manufacturing, healthcare monitoring equipment, and more. The device has compact size of 25 x 20.5 mm, up to 13 IO ports, and simplified Lithium-ion battery charging management directly connected with ESP32-C3 without extra module.

The equipped expansion board for the Beetle ESP32-C3 brings more power pins without increasing the controller size, making it more convenient to solder. In addition, the onboard easy-to-connect GDI resolves wiring problems when using a screen.

The Beetle ESP32-C3 supports Wi-Fi and Bluetooth 5(LE) dual-mode communication. It also supports Bluetooth Mesh protocol and Espressif Wi-Fi Mesh, guaranteeing a reliable and strong Wi-Fi connection and larger coverage.

“Beetle ESP32-C3 delivers an excellent design in improving the size and power pin. Size is regarded as the critical requirement for any IoT product design,” says Eddard Zhu, Product Manager of DFRobot. “We have been always optimizing dimensions in the controller design. The ultra-small size of Beetle ESP32-C3 would help users to overcome the size limitation easier, and no longer are subjected to the size limitation of the master controller. Soldering would be made difficult due to the inappropriate power pin design in many controller designs. The extension board has been optimally designed to add GDI and more power pins for easier soldering, when connecting Beetle ESP32-C3 to sensors or a screen.”

Key features include:

  • Ultra-small size of 25mm x 20.5mm
  • RISC-V core development board
  • Lithium-ion battery charging management guarantees safer charging and discharging
  • The expansion boards are more convenient for users to make projects or use a screen
  • RISC-V 32bit core
  • Support Wi-Fi and Bluetooth 5(LE) dual-mode communication

Tutorials and samples for Beetle ESP32-C3 are provided for users to use the controller’s Wi-Fi function, such as connecting to IoT platforms like Aliyun, IFTTT, etc. Beetle ESP32-C3 can be programmed using Arduino IDE, ESP-IDF and MicroPython. C and Python are both supported.

DFRobot


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