Description
ESP32-S3 1.85inch LCD Capacitive Touch Display Development Board, 360 × 360 resolution, CNC-machined Aluminum Alloy Case, Portable Mini Display, Supports Online LLM Platforms & DIY CustomizationESP32-S3 1.85inch LCD
development board

Portable Mini Display, Supports Online LLM Platforms & DIY Customization

Version Options

All versions come with touch function

ESP32-S3-Touch-LCD-1.85B-EN
Standard version, without Lithium Batt

ESP32-S3-Touch-LCD-1.85B
Comes with a 3.7V Lithium Batt
(can be installed inside the case)

Features

The ESP32-S3-Touch-LCD-1.85B is a high-performance, highly integrated microcontroller development board designed by Waveshare. It features a CNC-machined aluminum alloy case, offering a compact and premium appearance. Onboard 1.85inch LCD capacitive touch display, integrated 6-axis sensor (3-axis accelerometer and 3-axis gyroscope), low power audio codec, echo cancellation circuit, and so on. Built-in speaker and with reserved space for Lithium Batt. With a comprehensive hardware configuration and strong expandability, it provides strong support for quickly building functions and product prototype validation.

• Equipped with high-performance 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 Static RAM and 384KB ROM, with onboard 8MB PSRAM and external 16MB Flash memory
• Type-C port, improving device compatibility, easier to use
• Onboard 1.85inch LCD capacitive touch display, 360 × 360 resolution, 262K color
• Built-in ST77916 display driver and CST816S capacitive touch chip, using QSPI and I2C communication respectively, effectively saving IO resources
• Equipped with dual microphones array, enabling audio algorithms such as noise reduction and echo cancellation, suitable for accurate voice recognition and near-field / far-field voice wake-up applications
• Onboard QMI8658 6-axis IMU (3-axis accelerometer and 3-axis gyroscope)
• Onboard PWR and BOOT programmable buttons for easy custom function development
• Onboard 3.7V MX1.25 Lithium Batt recharge/discharge header
• Adapting 1 × GPIO, 1 × UART, and 1 × USB interfaces for external device connection and debugging, enabling flexible peripheral configuration

LCD parametersDisplay PanelLCDDisplay Size1.85inchResolution360 × 360 pixelsDisplay Colors262KBrightness450 cd/㎡Contrast Ratio1200 : 1Communication InterfaceQSPIDriver ICST77916TouchSupportedTouch ICCST816S
Small Size, Touch More Possibilities

Suitable For Various Smart Device Development, and Can Realize Human-Computer Interaction Function. Supports connecting to a Batt for independent operation

Function OverviewHigh-quality aluminium alloy case

One-Piece CNC Aluminum Alloy Case, Lightweight & High Strength. Anodized surface finish, offering enhanced durability and surface protection for daily use

178° wide viewing angle

Excellent Display Performance, 262K color, wide viewing angle

Onboard audio codec

Supports high-quality audio processing, providing clear and high-quality
audio input and output

Supports AI Speech Interaction

Allows access to online large model platforms such as DeepSeek, Doubao, etc.

Wi-Fi and BLE 5 support

ESP32-S3 integrates 2.4GHz Wi-Fi (802.11 b/g/n) with 40MHz of bandwidth support,
Its Bluetooth Low Energy subsystem supports Bluetooth 5 (LE) and Bluetooth Mesh

Supports ESP-IDF, Arduino

Comprehensive ESP-IDF and Arduino tutorials for easy learning. Facilitates secondary development and function expansion, accelerating application deployment

Reserved Lanyard Mounting Holes

Suitable for Bag hanging ornament, keyring decoration, etc.

Product OverviewWhat's On Board

1. ESP32-S3R8
   The SoC with Wi-Fi and Bluetooth, up to 240MHz operating frequency, with onboard 8MB PSRAM
2. 16MB NOR Flash
   
3. QMI8658
   6-axis IMU includes a 3-axis gyroscope and a 3-axis accelerometer
4. Dual microphones
   with onboard echo cancellation circuit, enabling higher-quality audio capture
5. Onboard antenna
   supports 2.4GHz Wi-Fi (802.11 b/g/n) and Bluetooth 5 (LE)
6. Display interface
7. ES7210 echo cancellation algorithm chip
   for reducing echo and enhancing audio capture accuracy
8. ES8311 audio codec chip
   

9. BQ27220
   Batt level monitoring chip
10. BOOT button
    for device startup and function debugging
11. PWR power button
    for system power supply ON/OFF, supports custom function
12. Type-C port
    ESP32-S3 USB port, for programming and log printing
13. MX1.25 Lithium Batt header
    MX1.25 2PIN connector, for 3.7V Lithium Batt, supports charging and discharging
14. Onboard speaker pads
    
15. Serial communication header
    SH1.0 4PIN connector
16. GPIO header
    SH1.0 4PIN connector

outline dimensions
Resources & ServicesPackage Content

Weight: 0.062 kg

ESP32-S3-Touch-LCD-1.85B* the 3.7V Lithium Batt is optional.

1. ESP32-S3-Touch-LCD-1.85B host x1
2. OPTIONAL 3.7V 500mAh Lithium Batt x1
3. SH1.0 4PIN cable 100mm x2
4. Silver polyester lanyard 18cm x1

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