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Green rectangular development board with a 3.49 inch colour touchscreen display

LORDWORLD

LORDWORLD ESP32-S3 Development Board 3.49inch IPS Capacitive Touch LCD (B) 172 × 640 16.7M Color QSPI Display

SKU CH-2YYV-WP315

ESP32-S3 development board with a 3.49 inch capacitive touch IPS display at 172 × 640 resolution and 16.7M colours, onboard audio codec for AI voice interaction.

  • 49 inch IPS touchscreen shows 16.7M colours at 172 × 640 resolution
  • Onboard audio codec delivers clear input and output for voice projects
  • ESP32-S3 dual-core processor runs AI speech interaction locally and online
  • Capacitive touch enables direct human-machine control on the display
  • Works with ESP-IDF and Arduino IDE plus full SDK and tutorials

ESP32-S3 Development Board with 3.49 inch Touch LCD

This LORDWORLD development board integrates an ESP32-S3 microcontroller with a 3.49 inch IPS capacitive touch display offering 172 by 640 resolution and 16.7 million colours. It is designed for makers and engineers building smart devices that require a compact visual interface and local processing capability.

QSPI Display and Onboard Audio Codec for Embedded

The board connects its display via a QSPI interface and includes an onboard audio codec with dedicated audio input and output. This integration frees up GPIO pins and removes the need for separate display or audio modules in voice-enabled or interactive prototypes.

Sustained AI Speech Interaction

The hardware supports continuous AI speech interaction and offline voice control, allowing access to online large-model platforms such as DeepSeek and Doubao. It is built for prolonged voice-processing workloads rather than brief command bursts. It is not suited for projects that demand higher-resolution screens or multi-display output.

Points forts

  • 49 inch IPS touchscreen shows 16.7M colours at 172 × 640 resolution
  • Onboard audio codec delivers clear input and output for voice projects
  • ESP32-S3 dual-core processor runs AI speech interaction locally and online
  • Capacitive touch enables direct human-machine control on the display
  • Works with ESP-IDF and Arduino IDE plus full SDK and tutorials

Caractéristiques

BrandLORDWORLD

Questions sur cet article

How long can the ESP32-S3 run at full load before thermal throttling reduces performance?

The board has no active cooling, so sustained full-load operation will hit the chip's internal thermal limits; in practice the ESP32-S3 reduces clock speed once the die reaches its maximum junction temperature.

What is the noise and heat profile when the display and audio run continuously for hours?

With no fan the board is silent; the LCD backlight and ESP32-S3 generate modest warmth that can be felt on the PCB but stays within normal operating range for enclosed projects.

Which external parts must I already have to power and program this development board?

A USB-C cable and a 5 V USB power source are required; the board includes the USB-to-UART bridge so no separate programmer is needed.

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