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Small green circuit board with dual-row pin headers and separate USB-C adapter board

LORDWORLD

LORDWORLD ESP32-S3FH4R2 Mini Development Board with USB Adapter

SKU CH-4ZB0-2VK99

A compact ESP32-S3FH4R2 board with dual-core 240MHz processor, 2.4GHz Wi-Fi and Bluetooth LE, 34 GPIOs, and USB Type-C adapter included

  • Dual-core Xtensa LX7 processor reaches 240 MHz for responsive edge computing
  • 512 KB SRAM plus 384 KB ROM with 2 MB PSRAM and 4 MB Flash for ample program space
  • Integrated 2.4 GHz Wi-Fi and Bluetooth LE enables wireless IoT connectivity
  • 34 multi-function GPIO pins with SPI, I2C, UART, ADC and PWM for flexible peripheral control
  • Onboard FPC 8-pin connector adapts to USB Type-C via included adapter board

ESP32-S3FH4R2 Mini Development Board

The LORDWORLD ESP32-S3FH4R2 Mini Development Board is a compact IoT edge device built around a Xtensa 32-bit LX7 dual-core processor running at up to 240MHz. It provides 512KB of SRAM, 384KB of ROM, 2MB of PSRAM and 4MB of Flash memory. Integrated 2.4GHz Wi-Fi and Bluetooth LE dual-mode wireless communication delivers superior RF performance for connected projects. The board includes a USB adapter via an onboard FPC 8PIN connector.

Suitable for embedded developers and IoT prototyping

This board suits engineers and hobbyists building wireless IoT prototypes who need dual-core processing, ample on-board memory and 34 multi-function GPIO pins with SPI, I2C, UART, ADC and PWM interfaces. It is not suited for applications requiring wired Ethernet connectivity, cellular radios, higher-frequency Wi-Fi bands, or more than 4MB of Flash storage without external components. Buyers needing a larger GPIO count or different form factor should consider other options.

4MB Flash and 2MB PSRAM on ESP32-S3FH4R2

The single specification that decides fit is the combined 4MB Flash and 2MB PSRAM memory configuration on the ESP32-S3FH4R2 chip. This capacity determines whether your firmware, buffers and data structures fit without external memory. Verify your application's memory footprint against these exact figures before purchasing.

Pluspunten

  • Dual-core Xtensa LX7 processor reaches 240 MHz for responsive edge computing
  • 512 KB SRAM plus 384 KB ROM with 2 MB PSRAM and 4 MB Flash for ample program space
  • Integrated 2.4 GHz Wi-Fi and Bluetooth LE enables wireless IoT connectivity
  • 34 multi-function GPIO pins with SPI, I2C, UART, ADC and PWM for flexible peripheral control
  • Onboard FPC 8-pin connector adapts to USB Type-C via included adapter board

Specificaties

BrandLORDWORLD

Vragen over dit artikel

How do I connect the board to a computer for programming, and which step do people often miss?

Plug the supplied USB Type-C adapter board into the onboard FPC 8PIN connector, then connect the USB cable; the step often missed is seating the FPC ribbon fully before locking the connector latch.

What part will need replacement first during long-term deployment?

The 4MB Flash memory has a finite write-erase cycle rating, so heavy logging or frequent OTA updates will wear it out before the 2MB PSRAM or the ESP32-S3FH4R2 silicon.

What thermal or power limit appears first when the dual-core processor runs at 240MHz continuously?

The on-board regulator and PCB copper area limit sustained current draw, so the chip will throttle or brown-out before the 2.4GHz Wi-Fi and Bluetooth LE radios hit their own thermal ceiling.

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