Description

Key Features

✅ Ultra-Compact Design – Just 18mm × 20mm (smaller than a coin).
✅ ESP32-S3 Dual-Core CPU – 240MHz Xtensa LX7 (with vector instructions).
✅ Wireless Connectivity – Wi-Fi 4 (802.11 b/g/n) + Bluetooth 5.0 LE.
✅ USB OTG & Type-C Support – Acts as USB device/host (no external USB-UART needed).
✅ Low Power Consumption – Deep sleep mode <10μA (ideal for battery projects).
✅ Rich I/O Options – GPIO, SPI, I2C, UART, PWM, ADC, DAC, RMT (IR control).
✅ Onboard Antenna & 4MB Flash – No external components needed.
✅ Arduino & MicroPython Support – Easy firmware development.

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Technical Specifications

• MCU: ESP32-S3 (Dual-core Xtensa LX7 @ 240MHz, 512KB SRAM).

• Wireless:

  • Wi-Fi 4 (802.11 b/g/n).

  • Bluetooth 5.0 LE (Mesh support).

• USB: Type-C (USB OTG) – Can act as HID (keyboard/mouse) or CDC.

• Memory: 4MB Flash (some variants have 8MB).

• GPIOs: 15+ usable pins (limited due to size).

• Analog Inputs: 6x 12-bit ADC, 2x 8-bit DAC.

• Power Supply: 3.3V logic (USB-powered or external 3.3V-5V).

• Dimensions: 18mm × 20mm (smallest ESP32-S3 board available).

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Why Choose the ESP32-S3 Zero Mini?

✔ Tiniest ESP32-S3 Board – Fits in ultra-compact projects.
✔ USB OTG Built-In – No extra USB-UART chip needed.
✔ Bluetooth 5.0 LE + Wi-Fi – Better range & throughput than ESP8266/ESP32-C3.
✔ Arduino & MicroPython – Beginner-friendly development.

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Applications

🔹 Wearable Devices (Smartwatches, fitness trackers).
🔹 IoT Sensors (Wireless data logging).
🔹 USB HID Projects (Keyboard/mouse emulation).
🔹 Miniature Bluetooth/Wi-Fi Controllers.
🔹 Embedded AI (TinyML) – Supports TensorFlow Lite.

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Development Support

• Arduino-ESP32 (Official core support).

• MicroPython & CircuitPython.

• Espressif IDF (IoT Development Framework).

• PlatformIO & VS Code Integration.

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Package Includes

• 1x ESP32-S3 Zero Mini Board.

• Optional: Headers, USB cable (depends on seller).

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🚀 Perfect for developers needing a credit-card-sized Wi-Fi + Bluetooth board with USB OTG! 🚀