IoTSploit ESP32 Board

IoTSploit ESP32 Development Board

IoTSploit ESP32 Development Board

The IoTSploit ESP32 development board features an ESP32-S3-WROOM-1 module as its core, complemented by extensive networking capabilities and robust power management. Here are the key features of the IoTSploit ESP32 board:

  • ESP32-S3-WROOM-1 module

    • Dual-core ESP32-S3 microcontroller

    • Built-in Wi-Fi and Bluetooth 5 (LE) connectivity

    • Rich set of peripherals

  • Ethernet connectivity with W5500 controller

  • USB Type-C connector with USB 2.0 support

  • CP2102N USB-to-UART bridge for programming and debugging

  • Multiple power management features:

    • TC1264-3.3V voltage regulator

    • USB power protection (SP0503BAHT)

    • Multiple power filtering options

  • Debugging and programming:

    • Dedicated RESET and BOOT buttons

    • USB programming interface

    • Multiple debug test points

  • Status indicators:

    • RGB LED indicators (SK6812)

    • Power and status LEDs

    • Programmable indicator LEDs

ESP32 Hardware Components

The IoTSploit ESP32 board provides the following hardware components:

  • ESP32-S3-WROOM-1 Module

    • Dual-core ESP32-S3 processor

    • 25MHz crystal oscillator for precise timing

    • Integrated Wi-Fi and Bluetooth

    • Multiple GPIO pins for expansion

  • Networking

    • W5500 Ethernet controller

    • 25MHz Ethernet crystal (ECS-2033-250-BN)

    • Integrated TCP/IP stack

    • High-speed SPI interface

  • USB Interface

    • USB Type-C connector with USB 2.0 support

    • CP2102N USB-to-UART bridge

    • ESD protection (SP0503BAHT)

    • USB power management

  • Power Management

    • TC1264-3.3V voltage regulator

    • Multiple power filtering capacitors

    • Power protection diodes (1N5819HW)

    • Precision voltage dividers

  • Visual Feedback

    • Programmable RGB LEDs (SK6812)

    • Status indicator LEDs

    • Power indicator LED

ESP32 Supported Features

Interface

Controller

Driver/Component

Wi-Fi

on-chip

802.11 b/g/n

Bluetooth

on-chip

BLE 5.0

UART

on-chip

CP2102N bridge

GPIO

on-chip

gpio

USB

CP2102N

USB-UART bridge

Ethernet

W5500

10/100 Ethernet

SPI

on-chip

Multiple peripherals

I2C

on-chip

Sensor interface

ESP32 System Clock

The IoTSploit ESP32 board uses a 25MHz crystal oscillator for the main system clock, with an additional dedicated 25MHz crystal for the Ethernet controller.

ESP32 Programming and Debugging

The board features multiple programming and debugging interfaces:

  • USB-to-UART bridge (CP2102N) for programming and debugging

  • Dedicated BOOT and RESET buttons for easy programming mode entry

  • Multiple debug test points for external access

ESP32 Programming Methods

The board can be programmed through:

  • USB interface using the CP2102N bridge

  • External programming interface via debug headers

  • OTA (Over-The-Air) updates via Wi-Fi

Note

The board includes dedicated BOOT and RESET buttons for easy programming mode access, and multiple test points for debugging and development.

ESP32 Power Management

The board features a robust power management system:

  • TC1264-3.3V regulator for stable power supply

  • Multiple filtering capacitors for clean power

  • USB power protection circuitry

  • Power indicator LEDs for status monitoring

Warning

When using external power sources, ensure they do not exceed the maximum voltage ratings of the onboard components.