🚀 Seeed 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 Wi-Fi 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 XIAO ESP32S3 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. This Wi-Fi & BLE Board with Extended GPIO also features 16MB Flash memory 💾 for more demanding applications. The XIAO ESP32S3 Plus is compatible with Arduino, MicroPython, and ESP-IDF ✅, making it a versatile choice for embedded development.
Feature
- ⚙️ High-Performance MCU : Dual-core ESP32-S3 at 240MHz, Arduino / MicroPython / ESP-IDF compatible
- 📡 Advanced Wireless : 2.4GHz Wi-Fi + 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 upcoming 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 : Fully compatible with all XIAO accessory add-ons including expansion 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)
📐Specification
| Item | 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 & 16MB Flash |
| 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 | 2 x UART, 1x IIC, 1x IIS, 2 x SPI, 18 x 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 | |
⚙️ Hardware Overview
Onboard
PinOut
📦 Application
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🌐 Internet of Things
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⌚ Wearable Devices
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🏠 Smart Homes
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🤖 Robotics
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❤️ Health Monitoring
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🎓 Education
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📶 ESP-Now Communication
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🔋 Low-Power (LP) Networking
📚Documents
| HSCODE | 8543709990 |
| USHSCODE | 8517180050 |
| UPC | |
| EUHSCODE | 8543709099 |
| COO | CHINA |
🧩 Part List
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Seeed Studio XIAO ESP32S3 Plus ×1
⚠️ Please note: The XIAO ESP32S3 Plus does not include 7-pin headers, as it is specifically designed for SMD board-to-board soldering to support compact and professional layouts.