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- SKU: 32374
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ESP32-S3 High-Performance Development Board With 3.49inch IPS Capacitive Touch Display, 172 × 640 Resolution, Integrated With ESP32-S3R8 Dual-core Processor - Case A Type 18650 Battries Support (Battery Not Included)
The ESP32-S3-Touch-LCD-3.49 is a high-performance, highly integrated microcontroller development board designed by Waveshare. Onboard 3.49inch capacitive touch IPS display, highly integrated power management IC, 6-axis IMU (3-axis accelerometer and 3-axis gyroscope), RTC chip, low-power audio codec IC, echo cancellation circuit, and so on, which makes it easy for you to develop and integrate into the products quickly.
User Manual / Datasheet / Example Codes Etc.
Features
- Equipped with ESP32-S3R8 Xtensa 32-bit LX7 dual-core processor, up to 240MHz main frequency
- Supports 2.4GHz Wi-Fi (802.11 b/g/n) and Bluetooth 5 (LE), with onboard antenna
- Built-in 512KB of SRAM and 384KB ROM, with onboard 8MB PSRAM and an external 16MB Flash memory
- Onboard 3.49inch IPS capacitive touch display for clear color picture display, 172 × 640 resolution, 16.7M color
- Equipped with dual microphone array with noise reduction and echo cancellation circuit, suitable for accurate speech recognition and near/far-field wake-up
- Built-in AXS15231B LCD & touch controller, using QSPI and I2C interfaces for communication respectively
- Onboard QMI8658 6-axis IMU (3-axis accelerometer and 3-axis gyroscope) for detecting motion gestures, counting steps, etc.
- Onboard PCF85063 RTC chip for RTC functionality
- Onboard PWR and BOOT programmable buttons for easy custom function development
- Onboard 18650 Lithium battery holder
- Onboard TF card slot for extended storage and fast data transfer, suitable for applications such as data recording and media playback, simplifying circuit design
- Reserved 22PIN 2.54mm pitch through-hole pads for easy connection to external modules or functional expansion, enhancing development flexibility.
Specifications
- Display Panel: LCD
- Display Size: 3.49 inch
- Touch Type: Capacitive touch
- Resolution: 172 × 640
- Display Colors: 16.7M
- Brightness: 350 cd/m2
- Contrast Ratio: 1200:1
- Display Interface: QSPI
- Driver IC: AXS15231B
- Touch Interface: I2C
Package Includes
- ESP32-S3-Touch-LCD-3.49 x1


Supports AI Speech Interaction
Allows access to online large model platforms such as DeepSeek, Doubao, etc.

What's On Board


Dimensions

Warranty Terms :
Branded products (Waveshare/ Raspberry Pi/ Radxa/ DWIN etc) are as per brand warranty terms. Generic products are eligible for replacement within 7 days of delivery based on following conditions.
Products are eligible for a replacement if there is physical damage during transit or a clear manufacturing defect. Any claim for damage/ wrong items/ replacement must be made within 48 hours of successful delivery of the product. Requests for refund of amount or exchange of product(s) will be reviewed on a case by case basis and HUBTRONICS carries final rights to take a final decision on refund, store credit or exchange.
What to take care of ?
Most of our products are technical in nature and require trained personnel to handle them. Any kind of mishandling can result in damage or malfunctioning of the product, it is not possible for us to provide a replacement or refund if the product is damaged due to technical or physical mishandling.
Who pays the return shipping cost?
Free of cost return pickup from delivery address is eligible for products categorized as manufacturing defect/ Damage in transit/ Wrong items delivered. We do not support return pickup for any B2B order or offline orders not placed on website. Buyer need to arrange return shipping for B2B orders.
What voids warranty?
Please note that replacement/ return or refund is not possible if the product is not compatible with your system/application. Please check all the technical details/ dimensions etc. before ordering and contact us for any kind of clarifications.
If product is soldered/ programmed at any point or physically altered in any way, it is not eligible for return/ replacement. If the item requires soldering for testing, please ensure that you use suitable clips or jig to test it without soldering. Any kind of soldering job makes the product ineligible for return or replacement.
Following items are not eligible for return under any circumstances
- Device Programmers / Dongles
- Soldering Consumables (Wire, Flux etc)



