Features:
Features ESP32-S3 for powerful performance, easy development, and abundant resources.
2.8-inch color display with 240x320 resolution, supporting up to 262K colors (RGB666) for vivid visuals.
Extensive interfaces for connecting various peripherals (I²C, UART, etc.)
Supports external speakers and built-in microphone for audio playback and capture.
Integrated RGB tri-color indicator lights for comprehensive status indication.
Integrated capacitive touchscreen for intuitive human-machine interaction.
Standard Type-C port for convenient program downloading and power supply.
Built-in Micro TF card slot for expandable storage.
Supports external lithium battery for lightweight portability.
Integrated battery charging management circuit ensures safe charging/discharging.
Rich sample programs provided for easy learning.
Low-level driver technical support with online WIKI documentation updates.
Module aging tests meet military-grade standards through multi-level verification, ensuring long-term stable operation.
Supports XiaoZhi AI voice chat.
Specifications:
Touchscreen model: ES3C28P
Non-touchscreen model: ES3N28P
Power interface: USB (Type-C)
Module: ESP32-S3
CPU: Xtensa LX7 32-bit dual-core processor
Clock speed: 240MHz (Maximum)
Storage: 384 KB ROM + 512 KB SRAM + 16 KB RTC SRAM + 16 MB external QSPI Flash
Wi-Fi: 2.4 GHz band supporting 20 MHz and 40 MHz bandwidths
Bluetooth: Bluetooth V4.2 BR/EDR and Bluetooth LE standards
Operating Voltage: 3.0—3.6 V
No touch LCD Screen:
Screen Size: 2.8 inches
Screen Type: TFT
Resolution: 240xRGBx320 (pixels)
Effective Display Area: 43.20 (W) x 57.60 (H) (mm)
Color Depth: Maximum: 262K (RGB666); Common: 65K (RGB565)
Driver IC: ILI9341V
Display Interface: 4-Line SPI (connected to ESP32)
Pixel Pitch: 0.153(H) x 0.153(mm)
Viewing Angle: ALL 0'CLOCK
Backlight Brightness (Typical): 280 cd/m²
Backlight Type: White LED*4
Operating Temperature: -30~80()
Storage Temperature: -30~80()
Capacitive Touch:
Active Area Size: 2.8 inches
Touchscreen Type: Capacitive Touchscreen
Touchscreen Resolution: 240x320 (pixels)
Driver IC: D-FT6336G
Viewable Window Size: 45.20 (W) x 59.45 (H) (mm)
Communication Interface: IIC
Structure Material: ITO Film + ITO Glass
Operating Temperature: -30~80()
Storage Temperature: -30~80()
Product Dimension:
LCD Panel Dimensions: 50.00±0.2(W)x69.20±0.2(H)x2.3±0.1(D)(excluding flex cable and adhesive backing)
Touchscreen Dimensions: 50.00±0.2 (W) x 69.20±0.2 (H) x 1.20 ±0.1 (D) (excluding flex cable and adhesive backing)
Module Dimensions: With Touchscreen: 50.00 (W) x 86.00 (H) x 10.60 (D)
Without touchscreen: 50.00(W) x 86.00(H) x 9.10(D)
Battery Charge/Discharge:
Charge Voltage: Range: 4.2~6.5(V)
Typical Value: 5V
Maximum Charge Current: 500mA
Module Actual Value: 290mA
Charge Saturation Voltage: 4.24V
Charging Temperature: Module Actual Maximum: 62
Charging Battery Specification: 3.7V Lithium Polymer Battery
