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Product Introduction
- Built-in ESP32-32E module with abundant development resources
- 3.95/4.0 inch color display, 320x480 resolution, supporting 262K colors (RGB666)
- Rich interfaces (I2C, SPI, UART, etc.) for peripheral connectivity
- Supports external speakers for audio playback
- Built-in RGB tri-color indicator lights
- Integrated resistive touch screen
- Standard TYPE-C interface for programming and power
- Micro TF card slot for storage expansion
- Supports external lithium battery with charging management
- Includes comprehensive example programs and technical documentation
- Military-grade reliability with multi-stage aging tests
Product Parameters
ESP32 Main Controller Parameters
| Name | Parameter |
|---|---|
| Module !! ESP32-32E | |
| CPU !! ESP32-D0WD-V3, Xtensa dual-core 32-bit LX6 microprocessor | |
| Clock Speed !! 240MHz (max) | |
| Memory !! 448KB ROM + 520KB SRAM + 16KB RTC SRAM + 4MB QSPI Flash | |
| WiFi !! 2.4GHz, 802.11b/g/n | |
| Bluetooth !! Bluetooth V4.2 BR/EDR and BLE | |
| Operating Voltage !! 3.0~3.6V | |
| Temperature Range !! –40~85°C |
LCD Parameters
| Name | Parameter |
|---|---|
| Screen Size !! 3.95/4.0 inch | |
| Screen Type !! TN TFT | |
| Resolution !! 320xRGBx480 pixels | |
| Active Area !! 55.68(W)x83.52(H) mm | |
| Color Depth !! 262K (RGB666), 65K (RGB565) | |
| Driver IC !! ST7796S | |
| Interface !! 4-line SPI | |
| Pixel Size !! 0.174mm x 0.174mm | |
| Viewing Angle !! 12 o'clock | |
| Backlight !! 450 cd/m² (8 white LEDs) |
Touch Screen Parameters
| Name | Parameter |
|---|---|
| Active Area !! 3.95 inch | |
| Type !! Resistive touch | |
| Driver IC !! XPT2046 | |
| Touch Area !! 56.28(W)x84.32(H) mm | |
| Interface !! SPI |
Dimensions
| Component | Dimensions (mm) |
|---|---|
| LCD !! 60.88x94.57x2.5 | |
| Touch Panel !! 60.48x93.87x1.05 | |
| Module !! 60.88x111.11x5.65 (with touch) |
Battery Parameters
| Parameter | Value |
|---|---|
| Charging Voltage !! 4.2~6.5V (5V typical) | |
| Charging Current !! 500mA max | |
| Battery Type !! 3.7V Li-Po |
Electrical Parameters
| Parameter | Value |
|---|---|
| Operating Voltage !! 5.0V | |
| Backlight Current !! 142mA | |
| Power Consumption !! 1.15W (display only) |
Basic Parameters
| Parameter | Value |
|---|---|
| SKU !! E32R40T (touch), E32N40T (no touch) | |
| Weight !! 130g / 119g |
Interface Definitions
Interface Functions
| Interface | Function |
|---|---|
| ESP32 Module !! Main controller | |
| MicroSD Slot !! Storage expansion | |
| RGB LED !! Status indicators | |
| Serial Port !! Debug/programming (1.25mm 4P) | |
| Battery Interface !! 3.7V Li-Po charging | |
| BOOT Button !! Boot mode selection | |
| TYPE-C !! Power/programming | |
| Speaker Jack !! Audio output |
Quick Start Guide
Quick Start Package
Quick Start Manual
Downloads
Google Drive
Baidu Cloud
Documentation
Datasheets
[Module Datasheet]
[LCD Datasheet]
User Manuals
[User Manual]
Tools & Resources =
[Development Tools]
[esptouch APK]