Seeed Xiao ESP32-C3 - WiFi/Bluetooth module from Seeedstudio 113991054

The Seeed Xiao ESP32-C3 is a small module that offers considerable computing power and versatility despite its compact size, comparable to the size of a thumb. At its heart is the innovative ESP32-C3 chip based on RISC-V 32-bit architecture, which ensures smooth and efficient operation.

With built-in 2.4GHz WiFi and Bluetooth 5.0/Mesh wireless communication, the module is the perfect solution for a variety of IoT applications. Users will enjoy the flexibility and convenience offered by Station mode, SoftAP, and a combination of both (SoftAP & Station).

With 400 kB of SRAM and 4 MB of Flash memory, the Seeed Xiao ESP32-C3 offers adequate space for various applications and projects. Low power consumption is another advantage of this module, making it an ideal choice for portable and power-saving IoT solutions.

The module is also equipped with a battery charging circuit for increased mobility and convenience. The 11 digital I/Os, with the ability to function as PWM pins, and 4 analogue I/Os for use as ADCs, offer a wide range of possibilities for connecting a variety of sensors and peripherals.

Support for serial communication ports, including UART, I2C, SPI and I2S, ensures easy integration with other devices and systems. Programming the module is simple and intuitive, thanks to its compatibility with the Arduino environment, which opens the door to a wide range of development possibilities.

The external antenna included in the kit guarantees optimal wireless communication range and performance. With the Seeed Xiao ESP32-C3, your IoT projects will be small in size but big in capability.

• Power and performance in a compact form factor: The Seeed Xiao ESP32-C3 is equipped with an advanced ESP32-C3 chip with RISC-V architecture that easily achieves clock speeds of up to 160 MHz. Support for Arduino and CircuitPython enables fast and convenient programming, and a variety of communication ports open up a wide range of integration possibilities.
• Communication without limits: With built-in 2.4 GHz WiFi and Bluetooth Low Energy, data transfer is fast and efficient. The U.FL antenna ensures stable transmission over distances of up to 100 metres, making this module ideal for IoT applications.
• Energy efficiency: Four operating modes ensure optimum power management, with the chip consuming just 44 μA in deep sleep mode. The lithium battery charging function further enhances the mobility and convenience of the device.

Seeed Xiao module collection

The Xiao ESP32-C3, created by Seeedstudio, is the latest addition to the well-known Seeed Xiao product line. Its 21 x 17.5 mm design follows the standard dimensions that characterise the series. The module is distinguished by the presence of a variety of communication interfaces, including 1x UART, 1x I2C, 1x SPI, 1x I2S, 11x GPIO and 4x ADC.

Programming and powering the device is carried out via a modern USB Type C interface, which is also used to charge the battery. There is 4 MB of Flash memory on board the module, allowing for flexible and extensive programming. The Xiao ESP32-C3 is compatible with both Arduino and CircuitPython, demonstrating its versatility and flexibility in applications.

Arrangement of components on the board:

• USB Type C connector
• Indicator light for the charging process
• ESP32-C3 microcontroller chip
• Boot button
• Connector for WiFi/Bluetooth antenna
• Reset button

Specification:

• Microcontroller chip: ESP32-C3 with 32-bit RISC-V architecture, clocked at 160 MHz
• Wireless communication: 2.4 GHz WiFi and Bluetooth 5.0 / Mesh support for a variety of applications
• Flash memory: 4 MB, providing space for complex programs and data
• SRAM: 400 kB, guaranteeing fast access to data during operations
• Communication interfaces:
  • 1x UART, 1x I2C, 1x I2S for various connections
  • 11x GPIO (supporting PWM) for control of external devices
  • 4x ADC for analogue readings
  • 1x Reset button and 1x Boot button for control and programming
• Operating voltage: Stable 3.3 V at 200 mA for optimum performance
• Input voltage: Standard 5 V for power supply
• Charging current: Adjustable 50 mA / 100 mA for flexibility
• Power consumption in deep sleep mode: Minimum, above 44 μA
• Power consumption with WiFi:
  • active: less than 75 mA
  • modem-sleep: less than 25 mA
  • light-sleep: less than 4 mA
• Power consumption with BLE:
  • modem-sleep: less than 27 mA
  • light-sleep: less than 10 mA
• Dimensions: Compact 21 x 17.5 mm, ideal for small and integrated applications

Contents of the kit

• Seeed Xiao ESP32-C3 module
• Antenna