The Waveshare 31786 is the ESP32-S3-LCD-3.16 module which is a ESP32-S3 3.16inch Display Development Board, 320×820 Pixels, 262K Color, 32-bit LX7 Dual-core Processor, Up to 240MHz Frequency, WiFi & Bluetooth 5.
Part #: ESP32-S3-LCD-3.16
Package Contents:
ESP32-S3-LCD-3.16 x1
SH1.0 4-pin cable x2
ESP32-S3 3.16inch LCD Display Development Board
320 × 820, RGB Interface, supports landscape display via software configuration
Features
This product adopts ESP32-S3R8 chip with 2.4GHz WiFi and Bluetooth BLE 5 support, integrates high-capacity Flash and PSRAM. Onboard 3.16inch LCD display which can smoothly run GUI programs such as LVGL. Onboard RTC chip, QMI8658 6-axis IMU, TF card slot, Lithium battery header, etc. Reserved USB, UART, and I2C interfaces for flexible expansion. It is suitable for the quick development of the HMI and other ESP32-S3 applications.
- Equipped with high-performance 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 an onboard antenna. Supports switching touse external antenna via resoldering an onboard resistor
- Built-in 512KB SRAM and 384KB ROM, with onboard 16MB Flash and 8MB PSRAM
- Onboard 3.16inch LCD display, 320 × 820 resolution, 64K color, RGB565 communication interface
- 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 requirement, with reserved SH1.0 RTC battery header
- Onboard slide switch for power ON/OFF, offering better control and reliability
- Onboard RST button and BOOT programmable button for easy custom function development
- Onboard 3.7V MX1.25 Lithium battery recharge/discharge header
- Onboard TF card slot for external TF card storage of pictures or files
- Reserved UART, SH1.0 4PIN I2C, and MX1.25 4PIN USB headers
- Onboard USB Type-C port for power supply, program downloading, and debugging, more convenient for development use.
LCD Parameters
|
Display Panel |
LCD |
Display Size |
3.16 inch |
|
Resolution |
320×820 |
Display Colors |
64K |
|
Brightness |
550 cd/㎡ |
Contrast Ratio |
1500:1 |
|
Communication Interface |
RGB565 |
Driver IC |
ST7701 |
Suitable for AIoT applications
Powered by a high-performance 32-bit LX7 Dual-core processor,
the main frequency is up to 240 MHz, with Powerful AI Computing Capability
& Reliable security.
Wi-Fi and BLE 5 support
ESP32-S3 integrates 2.4 GHz Wi-Fi (802.11 ax/b/g/n) with 40 MHz bandwidth support.
Its Bluetooth Low Energy subsystem supports Bluetooth 5 (LE) and Bluetooth Mesh
Application Scenarios
What's On Board
- ESP32-S3R8
The SoC with WiFi and Bluetooth, up to 240MHz operating frequency, with onboard 8MB PSRAM - 16MB NOR-Flash
- IPEX1 connector
Switching to use external antenna via resoldering an onboard resistor - Onboard ceramic antenna
for 2.4GHz Wi-Fi (802.11 b/g/n) and Bluetooth 5 (LE) functionalities - QMI8658 sensor
6-axis IMU includes a 3-axis gyroscope and a 3-axis accelerometer - PCF85063
RTC chip - RTC battery header
- SH1.0 4PIN I2C header
- MX1.25 4PIN USB header
- SH1.0 4PIN UART header
- RST header
- BOOT button
Press and hold the BOOT button, then click the RST button to enter download mode - Slide switch
for system power ON/OFF - TF Card slot
The TF card must be formatted to FAT32 before use - Type-C connector
ESP32-S3 USB interface, for program burning and log printing - MX1.25 battery header
MX1.25 2PIN connector, for 3.7V Lithium battery, supports charging and discharging - Standoffs
M2×3.5×3.5+2.0×1.2
Outline Dimensions
Wiki: ESP32-S3-LCD-3.16
