Seeed Studio XIAO ESP32S3 – Ultra-Compact Dual-Core Dev Board for AIoT Projects The Seeed Studio XIAO ESP32S3 is a thumb-sized powerhouse built for next-gen applications like robotics, edge AI, and smart IoT devices. Featuring the dual-core Xtensa LX7 processor clocked up to 240 MHz, this 21 × 17.5 mm board packs impressive performance into a space-saving footprint—ideal for embedded machine learning and wearable innovations. Features: Wireless Connectivity Features 2.4GHz Wi-Fi and Bluetooth 5.0 (BLE) for smooth, reliable wireless communication across a variety of IoT and smart device applications. Memory Equipped with 8MB PSRAM + 8MB Flash memory—perfect for handling complex programs and storing vital data. Interfaces & Expansion Offers a rich set of I/O options: UART, I²C, IIS, SPI 11x GPIOs (with PWM support) 9x ADC channels Reset & boot buttons Charging and user indicator LEDs Enables flexible integration into diverse hardware environments. Power Management Built-in lithium battery charging support with multiple power-saving modes. Ultra-low deep sleep consumption down to 14 μA—perfect for energy-efficient and battery-operated systems. Programming Compatibility Fully compatible with Arduino and MicroPython, giving developers the freedom to code in their favorite ecosystem. Specification Parameter Seeed Studio XIAO ESP32S3 Seeed Studio XIAO ESP32C3 Processor ESP32-S3R8 ESP32-C3 SoC Xtensa LX7 dual-core, 32-bit processor running up to 240 MHz RISC-V single-core 32-bit chip processor with a four-stage pipeline that operates at up to 160 MHz Wireless Complete 2.4GHz WiFi subsystem BLE: Bluetooth 5.0, Bluetooth mesh On-chip Memory 8M PSRAM & 8MB Flash 400KB SRAM & 4MB Flash Interface 1x UART, 1x IIC, 1x IIS, 1x SPI,11x GPIO(PWM), 9x ADC, 1x User LED, 1x Charge LED 1x UART, 1x IIC, 1x SPI,11x GPIO(PWM), 4x ADC 1x Reset button, 1x Boot button Dimensions 21 x 17.5mm Power Input voltage (Type-C): 5V Input voltage (BAT): 4.2V Input voltage (Type-C): 5V Input voltage (BAT): 4.2V Circuit operating Voltage (ready to operate): - Type-C: 5V@19mA - BAT: 3.8V@22mA Circuit operating Voltage (ready to operate): - USB:5V@9mA - BAT:3.8V@9mA Charging battery current: 100mA Charging battery current: 350mA Low Power Consumption Model (Supply Power: 3.8V) Modem-sleep Model: ~ 25 mA Light-sleep Model: ~ 2mA Deep Sleep Model: ~ 14 μA Modem-sleep Model: ~ 24 mA Light-sleep Model: ~ 3 mA Deep Sleep Model: ~ 44 μA WiFi Enabled Power Consumption Active Model: ~ 100 mA Active Model:
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