--- layout: default title: "ESP32-S3 Uno Development Board" --- {{ page.title }} ================ Discover new opportunities with the ESP32-S3 UNO Development Board.

Unlock a world of innovative possibilities with the ESP32-S3 UNO Development Board. This versatile platform empowers developers to create cutting-edge applications, leveraging its advanced features and robust performance. Whether you're working on IoT projects, embedded systems, or automation tasks, the ESP32-S3 UNO Development Board offers the flexibility, power and quick implementation needed to bring your ideas to life.

Explore its capabilities and push the boundaries of your creativity and technical expertise.

[Schematic](schematic.md) [Specs](specs.md) [Troubleshooting](troubleshooting.md) ## Compatibility with MicroPython Integrating the ESP32-S3 UNO Development Board with MicroPython offers several compelling benefits: 1. __Ease of Use:__ MicroPython simplifies the development process by allowing developers to write code in Python, a high-level, easy-to-read programming language. This reduces the learning curve for beginners and accelerates development for experienced programmers. 2. __Rapid Prototyping:__ With MicroPython, developers can quickly prototype and test their ideas. The interactive REPL (Read-Eval-Print Loop) enables immediate feedback and debugging, making it easier to iterate and refine projects. 3. __Extensive Libraries:__ MicroPython comes with a rich set of libraries that support various functionalities, including networking, sensor interfacing, and data processing. This extensive library support allows developers to leverage pre-built modules and focus on the unique aspects of their projects. 4. __Cross-Platform Compatibility:__ MicroPython code can be easily ported across different hardware platforms that support MicroPython. This cross-platform compatibility ensures that projects developed on the ESP32-S3 UNO can be adapted to other MicroPython-compatible boards with minimal changes. 5. __Community Support:__ The MicroPython community is active and growing, providing a wealth of resources, tutorials, and forums for troubleshooting and collaboration. This community support can be invaluable for both novice and experienced developers. 6. __Efficient Resource Management:__ MicroPython is designed to run efficiently on microcontrollers, making it well-suited for resource-constrained environments. It allows developers to manage memory and processing power effectively, ensuring optimal performance of their applications. 7. __Enhanced Connectivity:__ The ESP32-S3 UNO Development Board offers robust connectivity options, including Wi-Fi and Bluetooth. MicroPython's networking libraries make it straightforward to implement IoT applications, enabling seamless communication between devices. 8. __Versatility:__ Combining the ESP32-S3 UNO with MicroPython opens up a wide range of applications, from simple sensor monitoring to complex automation systems. The versatility of this fusion allows developers to explore diverse project ideas and innovate freely. 9. __Educational Value:__ MicroPython's simplicity and the ESP32-S3 UNO's capabilities make this combination an excellent educational tool. It provides a practical platform for learning programming, electronics, and IoT concepts, fostering a deeper understanding of technology. 10. __Cost-Effective Development:__ Both the ESP32-S3 UNO Development Board and MicroPython are cost-effective solutions, making them accessible to hobbyists, educators, and professionals alike. This affordability encourages experimentation and innovation without significant financial investment. ## Features and Specifications of the ESP32-S3 WROOM Module __Core Components:__ - Microprocessor: Xtensa® dual-core 32-bit LX7 microprocessor, operating up to 240 MHz. - Memory: - 384 KB ROM - 512 KB SRAM - 16 KB SRAM in RTC - Up to 16 MB PSRAM __Connectivity:__ - Wi-Fi: - 802.11b/g/n, up to 150 Mbps (802.11n), frequency range: 2412 ~ 2484 MHz - Features: A-MPDU and A-MSDU aggregation, 0.4 μs guard interval support - Bluetooth: - Bluetooth 5, Bluetooth mesh, 125 Kbps, 500 Kbps, 1 Mbps, 2 Mbps - Features: Advertising extensions, multiple advertisement sets, channel selection algorithm #2 - Co-existence mechanism: Internal co-existence mechanism between Wi-Fi and Bluetooth to share the same antenna __Peripherals:__ - GPIOs: Up to 36 GPIOs, including 4 strapping GPIOs - Interfaces: - SPI - LCD interface - Camera interface - __UART__ - __I2C__ - __I2S__ - Remote control - __Pulse counter__ - __LED PWM__ - Full-speed USB 2.0 OTG - USB Serial/JTAG controller - __MCPWM__ - SDIO host controller - GDMA - TWAI® controller (compatible with ISO 11898-1) - ADC - Touch sensor - Temperature sensor - Timers and watchdogs __Integrated Components:__ - Crystal Oscillator: 40 MHz - Flash: Up to 16 MB Quad SPI flash - Antenna: on-board PCB antenna __Operating Conditions:__ - Operating Voltage: 3.0 ~ 3.6 V - Ambient Temperature: –40 ~ 65 °C __Certifications:__ RF Certification: Various certifications available Green Certification: RoHS/REACH compliant __Applications:__ Ideal for AI and Artificial Intelligence of Things (AIoT) applications such as: Wake word detection Speech commands recognition Face detection and recognition Smart home devices Smart appliances Smart control panels Smart speakers ## I2C Pins The schematic excerpt provided below illustrates the wiring configuration for the __SDA__ and __SCL__ lines. Specifically, the __SDA__ line is connected to _GPIO 8_, while the __SCL__ line is connected to _GPIO 9_ on the ESP32-S3 module. The image of the PCB board below depicts the physical locations of the __SDA__ and __SCL__ terminals. ### Micropython LED Blinky Code ``` python import esp, esp32, time, os, _thread from machine import Pin, SoftI2C # An infinite loop thread to blink LED def status_led(): # Blink pattern blink-blink-pause while True: led.value(1) time.sleep_ms(250) led.value(0) time.sleep_ms(250) led.value(1) time.sleep_ms(250) led.value(0) time.sleep_ms(750) # Display information about ESP32S3 module print(os.uname()) print("Flash size: ", esp.flash_size()/1024/1024, "Mb") #rint("MCU Temperature: ", esp32.mcu_temperature(), "C") print("MCU Temperature: {:4.1f} C".format(esp32.mcu_temperature())) # Configure LED pin and start the blinky loop thread led = Pin(45, Pin.OUT) led.value(0) _thread.start_new_thread(status_led, ()) ```