Waveshare ESP32‑S3‑Tiny Micro Embedded Development Board WiFi Bluetooth AIoT Board

ESP32-S3-Tiny Product Overview
ESP32-S3-Tiny is an ultra‑compact embedded development board launched by Waveshare, powered by ESP32‑S3 main chip. ESP32-S3-Tiny adopts split USB design and stamp‑hole gold‑plating craft. ESP32-S3-Tiny is equipped with rich peripheral interfaces, it supports WiFi & BLE5 wireless communication. Compatible with ESP‑IDF, Arduino IDE and MicroPython, ESP32-S3-Tiny is widely used for AIoT projects and embedded integration. Multiple hardware versions of ESP32-S3-Tiny with 4MB/8MB Flash and 2MB/8MB PSRAM are available.

ESP32-S3-Tiny Key Features

ESP32-S3-Tiny is powered by the ESP32-S3 chip with an Xtensa 32-bit LX7 dual-core processor running at up to 240MHz, offering powerful AI computing capability and security encryption. ESP32-S3-Tiny integrates 2.4GHz Wi-Fi (802.11 b/g/n with 40MHz bandwidth) and Bluetooth 5 LE dual-mode wireless communication.

ESP32-S3-Tiny offers multiple memory configurations: the base version features 4MB Flash and 2MB PSRAM; the N8R8 version features 8MB Flash and 8MB PSRAM. ESP32-S3-Tiny also includes 512KB SRAM and 384KB ROM.

For I/O, ESP32-S3-Tiny brings out 34 multifunctional GPIO pins supporting SPI, I2C, UART, ADC, and PWM interfaces. An onboard FPC 8PIN connector allows a USB Type-C port to be adapted via an adapter board. ESP32-S3-Tiny also features a WS2812 RGB LED indicator and a power indicator, as well as RESET and BOOT buttons.

ESP32-S3-Tiny uses a stamp-hole gold-plating process for easy embedding into various product applications. ESP32-S3-Tiny supports multiple low-power operating states for flexible power management.

ESP32-S3-Tiny Application
ESP32-S3-Tiny is used for AIoT terminal devices, wireless sensor nodes, smart home control, embedded prototype design, Python learning, WiFi & Bluetooth wireless projects, compact smart hardware, robot control, open‑source DIY projects.

ESP32-S3-Tiny Advantages and Highlights

ESP32-S3-Tiny stands out for its combination of compact size and powerful performance. Its 23.5×18mm ultra-small footprint with stamp-hole gold-plating process makes ESP32-S3-Tiny ideal for wearables and space-constrained projects. The split USB interface design reduces PCB thickness for flexible board layout. 34 multifunctional GPIO pins offer rich expansion capabilities for ESP32-S3-Tiny in a tiny form factor. The ESP32-S3 dual-core 240MHz processor delivers powerful AI computing for ESP32-S3-Tiny. Multiple capacity options (4MB Flash + 2MB PSRAM / 8MB Flash + 8MB PSRAM) meet diverse project storage needs of ESP32-S3-Tiny. With multi-platform support including ESP-IDF, Arduino IDE, and MicroPython, plus comprehensive SDK and open-source tutorials, ESP32-S3-Tiny enables quick integration into applications.

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FAQs:

1. Q：What is the core chip and main frequency of the ESP32-S3-Tiny board?
   A：ESP32-S3-Tiny uses the ESP32-S3 chip which integrates a dual-core Xtensa 32-bit LX7 processor, reaching a main frequency of up to 240MHz.

2. Q：What storage versions are available for this development board?
   A：ESP32-S3-Tiny comes in a standard version (4MB Flash + 2MB PSRAM) and an N8R8 version (8MB Flash + 8MB PSRAM), both featuring 512KB SRAM and 384KB ROM.

3. Q：What wireless protocols does it support?
   A：ESP32-S3-Tiny supports 2.4GHz Wi-Fi (802.11 b/g/n) and Bluetooth 5 (LE), as well as Bluetooth Mesh networks.

4. Q：What is unique about the board's physical design?
   A：ESP32-S3-Tiny features a split design where the USB interface and buttons connect via an FPC cable, reducing PCB size, making it ideal for space-constrained applications.

5. Q：What interfaces and indicators are onboard?
   A：ESP32-S3-Tiny includes an FPC 8PIN connector for the adapter board, a WS2812 RGB LED, a power indicator, and RESET and BOOT buttons.

6. Q：Which development environments and platforms are supported?
   A：ESP32-S3-Tiny supports development via Arduino IDE, MicroPython, and the official ESP-IDF environment.

7. Q：How many GPIO pins are available?
   A：ESP32-S3-Tiny brings out 34 multi-functional GPIO pins on an extremely compact board for easy integration.

8. Q：How do you flash firmware or enter download mode?
   A：For ESP32-S3-Tiny, use the USB adapter board. If stuck, hold BOOT and press RESET, release RESET, and retry the download.

9. Q：What multiplexing functions do the pins support?
   A：ESP32-S3-Tiny supports flexible pin multiplexing for peripherals like SPI, I2C, UART, ADC, and PWM.

10. Q：What application scenarios is this board suitable for?
    A：ESP32-S3-Tiny fits AIoT projects requiring low power, high performance, and small size, such as smart home devices, sensor nodes, portable instruments, or complex wireless communication terminals.