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The Next-Generation Open-Source ESP32-S3 AIoT Kit for Prototyping New Projects and Crafting Intricate IoT Systems

ESP32-S3-BOX-3 AIoT development kit
ESP32-S3-BOX-3 AIoT development kit

Espressif Systems has introduced the ESP32-S3-BOX-3, an addition to its development kit range aimed at enhancing prototyping and IoT system building. This AIoT development kit is built upon the ESP32-S3 AI SoC and is powered by the ESP32-S3 Wi-Fi + Bluetooth 5 (LE) SoC with AI acceleration capabilities, featuring 16MB of Quad flash, 16MB of Octal PSRAM, and 512KB SRAM.

A significant feature of the ESP32-S3-BOX-3 is the integration of Espressif's ESP-SR speech recognition framework, allowing it to operate as an offline AI voice assistant. It offers far-field voice interaction, wake-up interruption, and recognition of over 200 customizable command words. The kit includes components like a 2.4-inch touch screen, digital microphones, speaker, Type-C port, and high-density PCIe connector, offering adaptability for various applications.

Additionally, the ESP32-S3-BOX-3 is compatible with the Matter protocol, enhancing communication and control capabilities across a range of smart devices. With its AI capabilities, versatile hardware components, and alignment with emerging IoT ecosystems, the ESP32-S3-BOX-3 holds promise for industrial IoT and smart home automation applications.



  • IEEE 802.11 b/g/n-compliant Wi-Fi
  • High-power Bluetooth LE: Bluetooth 5, Bluetooth mesh
  • Dual-core 32-bit LX7 microprocessor (up to 240 MHz)
  • Ample memory: 384 KB ROM, 512 KB SRAM, 16 KB SRAM in RTC
  • Diverse interfaces: SPI, UART, I2C, I2S, USB OTG, and more
  • Multiple timers and watchdogs for timing and control
  • Comprehensive power management with five modes
  • Robust security: secure boot, flash encryption, OTP
  • Wi-Fi antenna diversity for improved connectivity
  • Advertising flexibility for Bluetooth: extensions, sets, co-existence



  • Smart Home
  • Industrial Automation
  • Health Care
  • Consumer Electronics
  • Smart Agriculture
  • Retail and Catering
  • Audio Devices
  • Generic Low-power IoT
  • Cameras
Component Datasheet

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