The Seeed Studio XIAO ESP32S3 is a thumb-sized development board with the dual-core ESP32-S3 chip, 2.4GHz Wi-Fi and Bluetooth 5.0 (BLE).
The Seeed Studio XIAO ESP32S3 is a thumb-sized development board with the dual-core ESP32-S3 chip, 2.4GHz Wi-Fi and Bluetooth 5.0 (BLE). With 8MB PSRAM and 8MB flash it has enough memory for web servers, AI/TinyML and camera-free data projects, while its 21 × 17.5mm size fits into wearables and small enclosures. It can be programmed with Arduino IDE, MicroPython or ESP-IDF over USB-C.
| Processor | ESP32-S3, dual-core Xtensa LX7, up to 240 MHz |
|---|---|
| Memory | 8MB PSRAM, 8MB Flash |
| Wireless | 2.4GHz Wi-Fi + Bluetooth 5.0 (BLE) |
| I/O | 11 digital (PWM) pins, 9 analog pins, I2C, SPI, UART |
| USB | USB Type-C (native USB) |
| Logic level | 3.3V |
| Size | 21 × 17.5 mm |
| Battery | Li-po charging circuit on board |
Is it 5V tolerant?
No, the I/O pins are 3.3V. Use a level shifter for 5V signals.
Can I use Arduino IDE?
Yes – install the ESP32 board package and select "XIAO_ESP32S3".
Can I buy the Seeed Studio XIAO ESP32S3 in Kanpur?
Yes – buy online with delivery across India, or pick it up from the iTechBuilders store, Damodar Nagar, Kanpur.
