Seeed Xiao ESP32-S3 WiFi BT 5.0, 8 MB PSRAM 240MHz - SeeedStudio 113991114

Compact but powerful, the Seeed Xiao module is based on an advanced ESP32-S3 chip with a 240 MHz dual-core Xtensa 32-bit LX7 processor. This module enables reliable wireless communication via 2.4 GHz WiFi and Bluetooth 5.0, while consuming only 14 μA of current in deep sleep mode, making it energy efficient and effective in managing battery charging. It is ideal for IoT applications, offering 8 MB of PSRAM and 8 MB of Flash memory.

In addition, the module includes battery charging circuitry and offers 11 digital input/output (I/O) that can act as PWM pins, and nine analogue I/O that can be used as ADCs. It supports communication via serial ports such as UART, I2C and SPI, as well as I2S. An external antenna is also included, extending the communication capabilities of the device. The module is compatible with the Arduino development environment, making it easy to program and adapt to different projects.

Main product features Seeed Xiao ESP32-S3:

• High chip performance: The module uses the ESP32-S3 from Xtensa, clocked at up to 240 MHz and equipped with numerous communication ports. It is compatible with the Arduino IDE and CircuitPython.

• Wireless communication: Includes a 2.4 GHz WiFi module and Bluetooth Low Energy 5.0, enabling data transmission over distances of up to 100 m thanks to a U.FL antenna.

• Energy efficiency: Four operating modes, including deep sleep mode, with power consumption of only 14 μA. It also offers a lithium battery charging function.

• Compact design: The board is only 21 x 17.5 mm, maintaining the classic design of the Seeed Xiao series.

As part of the Seeed Xiao series, Seeedstudio presents the Xiao ESP32-S3, which continues the tradition of compact size characteristic of the line, measuring 21 x 17.5mm. This board offers a rich set of communication interfaces, including 1x UART, 1x I2C, 1x SPI, 1x I2S, 11x GPIO and 9x ADC, as well as 1x user LED and 1x charge indication LED.

Power and programming of the device is provided via a versatile USB Type-C interface, which is also used to charge the battery. The Xiao ESP32-S3 is equipped with 8 MB of Flash memory, providing enough space for a variety of applications. The device is compatible with both Arduino and CircuitPython, making it an attractive choice for a wide range of programmers and hobbyists.

Specification:

• Chip: ESP32-S3R8, 32-bit Xtensa LX7, 240 MHz
• Wireless communication: WiFi 2.4 GHz, Bluetooth 5.0 / Mesh
• Flash memory: 8 MB
• PSRAM: 8 MB
• Interfaces: 1x UART, 1x I2C, 1x I2S, 11x GPIO (PWM), 9x ADC, 1x Reset button, 1x Boot button, 1x Charge LED, 1x User LED
• Input voltage: USB type C: 5 V, BAT: 4,2 V
• Charging current: 50 mA
• Standby power consumption: USB type C: 5 V / 19 mA, BAT: 3.8 V / 22 mA
• Low power consumption model: Modem-sleep: approx. 22 mA, Light-sleep: approx. 2 mA, Deep Sleep: approx. 14 μA
• Power consumption from WiFi: active: approx. 100 mA
• Power consumption with BLE: active: approx. 85 mA
• Operating temperature: -40°C to 65°C
• Dimensions: 21 x 17.5 mm

Contents of the kit

• Seeed Xiao ESP32-S3 module
• Antenna U.FL