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ESP32-S3-Wroom-1 N16R8 Development Board Wireless Module WiFi Bluetooth

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ESP32 Boards
₹749.00 ₹ 634.75 + 114.26 GST
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High-performance IoT development board featuring the ESP32-S3 chip with massive 16MB Flash and 8MB PSRAM. Ideal for AIoT applications, display driving, and memory-intensive projects.

ESP32 modules feature a robust design that can function reliably in industrial environments, with an operating temperature ranging from –40°C to +125°C. Powered by advanced calibration circuitries, ESP32 can dynamically remove external circuit imperfections and adapt to changes in external conditions. It is engineered for mobile devices, wearable electronics and IoT applications. ESP32 achieves ultra-low power consumption with a combination of several types of proprietary software. ESP32 also includes state-of-the-art features, such as fine-grained clock gating, various power modes and dynamic power scaling.

ESP32 is highly integrated with in-built antenna switches, RF baluns, power amplifiers, low-noise receive amplifiers, filters, and power management modules. It adds priceless functionality and versatility to your applications with minimal Printed Circuit Board (PCB) requirements. ESP32 can perform as a complete standalone system or as a slave device to a host MCU, reducing communication stack overhead on the main application processor. ESP32 can interface with other systems to provide Wi-Fi and Bluetooth functionality through its SPI / SDIO or I2C / UART interfaces.

The ESP32 module integrates peripherals, including capacitive touch sensors, SD card interface, Ethernet, high-speed SPI, UART, I2S, and I2C. This comprehensive feature set ensures seamless integration with your existing systems and enables expanded functionality.

This ESP32-S3-WROOM-1-N16R8 features 2 core Xtensa® 32-bit LX7 Microprocessor(s), 384 KBytes ROM, 512 KBytes SRAM,8 MBytes PSRAM,16 MB SPI flash, and supports external memory up to 16 MB 

 

Specifications

  • Core Module: ESP32-S3-WROOM-1 (Dual-core Xtensa® 32-bit LX7 MCU, up to 240 MHz)
  • Flash Memory: 16 MB (Quad SPI) - Massive storage for code and assets
  • PSRAM: 8 MB (Octal SPI) - High-speed RAM for buffering and processing
    Wireless Connectivity: 2.4 GHz Wi-Fi (802.11 b/g/n) + Bluetooth 5 (LE)
  • AI Acceleration: Vector instructions for accelerating neural network computing and signal processing
  • Interfaces: 45x GPIOs, SPI, I2S, I2C, PWM, RMT, ADC, UART, SD/MMC host, TWAI
  • USB: Native USB Serial/JTAG Controller (USB-C Interface)
  • Voltage: 3.3V Logic Level (5V Power Input via USB)
  • Dimensions: Standard DevKit form factor compatible with breadboards

Applications

  • Smart Home Hubs: Central control units running Home Assistant integrations via ESPHome.
  • Industrial HMI: Touchscreen control panels for machinery with complex UI.
  • Edge AI Cameras: Image classification and object detection using the S3’s AI instructions.
  • Audio Streaming: Internet radio or walkie-talkie projects buffering audio in PSRAM.
  • Retro Gaming: Emulate classic consoles that require more RAM than standard ESP32s offer.

Features:

  • Robust Design
  • Ultra-Low Power Consumption
  • High Level of Integration
  • Hybrid Wi-Fi & Bluetooth Chip

Downloads: ESP32-S3-WROOM-1-N16R8_Datasheet

Project Evolution

  • The Prerequisite Journey: You’ve likely mastered the basic Arduino Uno or the standard NodeMCU (ESP8266). You understand basic sensor logging and simple web servers, but you’re constantly fighting against memory overflows ("Sketch too large") or slow processing speeds when handling displays.
  • The Feature Upgrade: Moving to the ESP32-S3 N16R8 unlocks the world of Edge AI and HMI (Human-Machine Interfaces). With Probots™ Instant-R&D, you can immediately deploy:
  • Voice Recognition: Run on-device keyword spotting without needing the cloud.
  • Fluid Displays: Drive high-resolution TFTs with LVGL library at high frame rates using the 8MB PSRAM buffer.
  • MicroPython/CircuitPython: Load the full interpreter and heavy libraries without running out of heap memory.

Virtual Technician: Wiring & Safety

  • ⚠️ Voltage Warning: This is a Probots Logic-Safe reminder: The ESP32-S3 is a strict 3.3V device. Connecting 5V sensors directly to GPIO pins will damage the chip. Always use a logic level converter for 5V peripherals.
  • Boot Mode: If the board fails to upload, hold the BOOT button, press RESET, then release BOOT to force it into Download Mode.
  • USB Mode: The USB-C port is connected to the native USB peripheral. In Arduino IDE, ensure "USB CDC On Boot" is set to "Enabled" to see Serial output.

      Pinout Mapping (Critical):

  • GPIO 19/20: Native USB D-/D+
  • GPIO 43/44: UART0 TX/RX (Debug)
  • RGB LED: Usually connected to GPIO 48 (Check specific board revision marking).

Package Includes: 

Frequently Asked Questions (Technical FAQ)

  • How do I select this board in Arduino IDE?
    Select "ESP32S3 Dev Module". In the Tools menu, set Flash Size to "16MB (128Mb)" and PSRAM to "OPI PSRAM".
  • Why does my code compile but fail to run?
    Ensure you have enabled PSRAM in the tools menu ("OPI PSRAM"). If disabled, the code trying to access that memory will crash.
  • Does this board support 5V GPIO?
    No, the ESP32-S3 is not 5V tolerant. You must use 3.3V logic or a level shifter.
  • Can I use this for MicroPython?
    Yes, the N16R8 version is the best candidate for MicroPython due to the large Flash and RAM.
  • What is the difference between N16R8 and N8R2?
    N16R8 has 16MB Flash/8MB PSRAM. N8R2 has 8MB Flash/2MB PSRAM. N16R8 is superior for heavy applications.
  • Does it have built-in WiFi and Bluetooth?
    Yes, it supports 2.4GHz WiFi and Bluetooth LE 5.0 (Mesh capable).
  • How do I use the RGB LED on the board?
    The addressable RGB LED is typically on GPIO 48. Use a library like FastLED or NeoPixel.
  • Why isn't the COM port showing up?
    You may need to hold the BOOT button while plugging it in. Also, verify you are using a data-capable USB-C cable.
  • What is the maximum power consumption?
    WiFi transmission can peak around 300-350mA. We recommend a 500mA+ power source.
  • Can I use the native USB port as a keyboard/mouse?
    Yes, the ESP32-S3 supports native USB HID (Human Interface Device).
  • Does it support deep sleep?
    Yes, it supports ultra-low power deep sleep modes (<10uA depending on peripheral configuration).
  • Are the pins compatible with ESP32 DevKit V1?
    Not exactly. The S3 has more pins and a slightly different layout. Check the pinout diagram carefully.
  • Can it run AI models like TensorFlow Lite?
    Yes, the S3 core includes vector instructions specifically to accelerate TFLite Micro models.
  • Is an external antenna required?
    No, it has an onboard PCB antenna. Some versions allow an external antenna via a resistor change.
  • What is the default baud rate?
    The bootloader typically communicates at 115200 baud.
  • Does it support JTAG debugging?
    Yes, it has a built-in USB-JTAG controller, allowing debugging without an external probe.
  • How many ADC pins are available?
    It has two 12-bit SAR ADCs providing up to 20 analog input channels.
  • Can I use both cores?
    Yes, FreeRTOS allows you to pin tasks to Core 0 or Core 1 for multitasking.
  • Is the PSRAM Quad or Octal SPI?
    The 8MB PSRAM on the WROOM-1 N16R8 is usually connected via Octal SPI (OPI) for higher speed.
  • Does it support OTA (Over-the-Air) updates?
    Yes, with 16MB Flash, you have ample space for large OTA partitions.
ESP32-S3-Wroom-1 N16R8 Development Board - Overview
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Friendly staff but Too costly, price is 2x as compared to SP road.

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Worst experience. UPI payment of Rupee 1,609 was successfully debited, but the order was later cancelled and no refund was issued.

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The products were at reasonable cost and the service and care provided by the whole team to deliver it safe was really awesome.

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Great selection of components. Highly recommended for electronics enthusiasts!

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Happy with my purchase from ProBots. Some components are slightly expensive compared to other stores, but many items are reasonably priced. Good support and service.

Arun R

Good store for IoT components. Prices could be better though.

Manoj K

Best place to buy electrical components. A bit pricey but worth it for the quality.

G C Electronics Jaipur

Good products - Timely delivery. Professional service.

Nischith shetty

Friendly staff but Too costly, price is 2x as compared to SP road.

Rajeev Ranjan Pandey

Worst experience. UPI payment of Rupee 1,609 was successfully debited, but the order was later cancelled and no refund was issued.

Varshaa Senthil kumar

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Soma Dasgupta

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SANTHA KUMAR

Happy with my purchase from ProBots. Some components are slightly expensive compared to other stores, but many items are reasonably priced. Good support and service.

Arun R

Good store for IoT components. Prices could be better though.

Manoj K

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G C Electronics Jaipur

Good products - Timely delivery. Professional service.

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