Product Description
XIAO ESP32S3 Plus Dev Board 20 GPIOs, 2.4GHz WiFi, BLE 5.0, 8MB PSRAM, 16MB FLASH, esp32-s3 dual-core, battery charge supported
XIAO ESP32S3 Plus Dev Board 20 GPIOs, 2.4GHz WiFi, BLE 5.0, 8MB PSRAM, 16MB FLASH, esp32-s3 dual-core, battery charge supportedSeeed Studio XIAO ESP32S3 Plus, powered by ESP32-S3's 240MHz Xtensa 32-bit LX7 dual-core processor, brings more SMD pins to the tiny versatile XIAO ESP32S3. While maintaining all the powerful features including WiFi and BLE 5.0 wireless connectivities, 2.4GHz Rod antenna, and ultra-low power consumption of 14μA in deep sleep mode with lithium battery charging management, the Plus variant features redesigned castellations and pad layout on the back, offering 9 additional GPIOs specifically for advanced Bluetooth projects requiring expanded I/Os via SMD board-to-board soldering. It's ideal for advanced IoT projects, Smart Homes, and professional wireless devices requiring extra I/O connectivity.
🌱High-Performance MCU: Dual-core ESP32-S3 at 240MHz, Arduino / MicroPython / ESP-IDF compatible
🌱Advanced Wireless: 2.4GHz WiFi + BLE 5.0, 100m+ range with U.FL antenna support
🌱Efficient Power Management: Four power modes with 14μA deep sleep, integrated Li-ion charging
🌱Expanded 20 GPIOs: 9 extra 1.27mm pitch SMD castellation pins beyond standard XIAO nRF52840
🌱Universal Compatibility: Standard backside layout (with aligned battery pads, and debugger pads) for more to-be-released XIAO expansion boards
🌱Classic XIAO Form Factor: 21 x 17.8mm design with 2.54mm pin headers, single-sided mounting for wearables and space-constrained projects
🌱XIAO Accessory Add-ons Compatibility: Natively compatible with all the XIAO accessory add-ons of expansion, connectivity modules (LoRa, CAN_Bus, RS-485), sensors (2-Mic Array, Vision AI, mmWave Motion, Environmental sensing), and actuators (ePaper display, LED Matrix, relay and more).
SpecificationItem | Seeed Studio XIAO ESP32S3 | Seeed Studio XIAO ESP32S3 Plus |
Processor | ESP32-S3R8 Xtensa LX7 dual-core, 32-bit processor that operates at up to 240 MHz | |
Wireless | Complete 2.4GHz Wi-Fi subsystem BLE: Bluetooth 5.0, Bluetooth mesh | |
Memory | On-chip 8M PSRAM & 8MB Flash | On-chip 8M PSRAM &16MBFlash |
Interface | 1x UART, 1x IIC, 1x IIS, 1x SPI, 11x GPIOs (PWM), 9x ADC, 1x User LED, 1x Charge LED 1x Reset button, 1x Boot button | 2x UART, 1x IIC, 1x IIS,2x SPI,18x GPIOs (PWM), 9x ADC, 1x User LED, 1x Charge LED, 1x B2B Connector, 1x Reset button, 1x Boot button |
Dimensions | 21 x 17.8mm | |
Power | 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): - Type-C: 5V@28mA - BAT: 3.8V@35mA | |
Charging battery current:100mA | ||
Low Power Consumption Model | Modem-sleep Model:3.8V/25 mA Light-sleep Model:3.8V/2 mA Deep Sleep Model:3.8V/14 μA | Modem-sleep Model:3.8V/26.5 mA Light-sleep Model:3.8V/2.2 mA Deep Sleep Model:3.8V/69 μA |
Wi-Fi Enabled Power Consumption | Active Model:~ 100 mA | Active Model:~ 85 mA |
BLE Enabled Power Consumption | Active Model:~ 85 mA | Active Model:~ 77 mA |
Working Temperature | -40°C ~ 65°C |


Application
Internet of Things
Wearable devices
Smart Homes
Robotics
Health monitoring
Education
ESP-Now Communication
Low-Power(LP) networking


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