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Small green circuit board with castellated edges, USB-C port and ceramic antenna

LORDWORLD

LORDWORLD ESP32-S3FH4R2 Mini Development Board 240MHz 4MB Flash 2MB PSRAM

SKU CH-CGN6-8E284

Compact IoT development board with dual-core 240MHz processor, 4MB flash, 2MB PSRAM, 2.4GHz Wi-Fi, Bluetooth 5, and 34 GPIO pins

  • Dual-core 32-bit processor reaches 240MHz for responsive edge tasks
  • 4GHz Wi-Fi 802.11 b/g/n and Bluetooth 5 enable wireless connectivity
  • 4MB Flash plus 2MB PSRAM provides storage and runtime memory
  • 34 GPIO pins with 4 SPI, 2 I2C, 3 UART, 2 I2S, 2 ADC support varied peripherals
  • Castellated edges and ceramic antenna allow direct soldering to carrier boards

Compact IoT Development Board

The LORDWORLD ESP32-S3FH4R2 board delivers a 32-bit LX7 dual-core processor running at up to 240MHz with 2.4GHz Wi-Fi and Bluetooth 5 connectivity. It targets makers and engineers building wireless edge devices who need integrated radio and processing in a small footprint.

Solder-Ready Integration

Castellated edges allow the module to be soldered directly onto a custom carrier board, while the onboard ceramic antenna removes the need for external RF design. A USB Type-C port provides power and serial debugging, and 34 configurable GPIO pins expose 4 SPI, 2 I2C, 3 UART, 2 I2S and 2 ADC interfaces for peripheral expansion.

Sustained Low-Power Operation

Flexible clock control and independent power-domain settings let the board reduce consumption during long-running deployments. The 512KB SRAM and 384KB ROM support real-time tasks, while 4MB Flash and 2MB PSRAM store firmware and buffers without relying on external memory chips.

How it compares

Measured against everything we stock in Single-Board Computers & Dev Kits, at today’s prices. Recalculated every night.

Price $18.99
Cheaper than about 90% of the 1,420 comparable items (median $44.99).

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Specifications

Product
Brand nameLORDWORLD

Questions about this item

How long can the dual-core processor sustain 240MHz before thermal limits reduce performance?

The board has no active cooling, so the Xtensa LX7 dual-core processor will throttle once its internal temperature rises under continuous 240MHz load.

What is the typical power draw and heat output when Wi-Fi and Bluetooth 5 run all day?

With 2.4GHz Wi-Fi and Bluetooth 5 LE active, the module draws modest current from the USB Type-C supply; the ceramic antenna and castellated design keep heat low enough for enclosed projects.

Which host interface must my computer provide to program and power the board?

A USB Type-C port on the host is required for both the integrated full-speed USB serial controller and the 5V supply rail.

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