ESP32-P4-WIFI6 3.5inch Smart Vision Development Board, 320 × 480 Resolution, Equipped With OV5647 5MP Camera, Built-in Microphone And Speaker, Supports Wi-Fi 6 And BLE 5
ESP32-P4-WIFI6 3.5inch Smart Vision
Development Board
Equipped With OV5647 5MP Camera and 3.5inch 320 × 480 SPI display
Built-in microphone and speaker, supports Wi-Fi 6 and BLE 5, suitable for AI voice & vision and smart security applications

Version Options

ESP32-P4-WIFI6-Touch-LCD-3.5-EN
Standard version, without Lithium Batt

ESP32-P4-WIFI6-Touch-LCD-3.5
Comes with a 3.7V Lithium Batt
(can be installed inside the case)
Features
The ESP32-P4-WIFI6-Touch-LCD-3.5 is a high-performance development board based on ESP32-P4 controller with RISC-V 32-bit dual-core and single-core processors. Equipped with 3.5inch IPS touch display, highly integrated power management chip, and low-power audio codec chip, features rich human-machine interfaces including MIPI-CSI (with integrated Image Signal Processor), it also supports USB OTG 2.0 HS for high-speed connectivity.
The ESP32-P4 chip integrates the Digital Signature Peripheral and a dedicated Key Management Unit, ensuring secure data and operations. Specifically designed for high-performance and high-security applications, to meet the higher requirements of embedded applications such as Human-Machine interaction, efficient edge computing, and IO expansion.
- High-performance MCU with RISC-V 32-bit dual-core and single-core processors
- Onboard ESP32-C6H8 module serving as a Wi-Fi 6 co-processor, extending Wi-Fi 6 and BLE 5 capabilities for ESP32-P4
- 128KB HP ROM, 16KB LP ROM, 768KB HP L2MEM, 32KB LP Static RAM, 8KB TCM
- Powerful image and voice processing capability. Provides image and voice processing interfaces including JPEG Codec, Pixel Processing Accelerator, Image Signal Processor, H264 encoder
- 32MB PSRAM in the chip's package, with onboard 16MB Nor Flash
- Onboard Type-C ports, more convenient, better device compatibility
- Onboard 3.5inch capacitive touch IPS display for clear color picture display, 320 × 480 resolution, 262K color
- Built-in ST7796 display driver and FT6336 capacitive touch chip, using SPI and I2C communication respectively, effectively saving the IO resources
- Onboard programmable PWM and BOOT buttons for easy custom function development
- Onboard 3.7V MX1.25 Lithium Batt recharge/discharge header
- Adapting I2C, UART, USB and multiple GPIOs for external device connection and debugging, enabling flexible peripheral configuration
- Onboard TF card slot for extended storage, high-speed data transfer, and enhanced flexibility, suitable for data logging and media playback, simplifying circuit design
- Onboard camera interface, supporting OV5647 and other MIPI-CSI cameras
- Adopts AXP2101 IC for efficient power management, supports multiple voltage outputs, Batt charging, Batt management, and Batt life optimization, etc.
- Security features: Secure Boot, Flash Encryption, cryptographic accelerators, and TRNG. Additionally, hardware access protection mechanisms help to enable Access Permission Management and Privilege Separation
LCD Specifications
| DISPLAY PANEL | IPS | DISPLAY SIZE | 3.5inch |
|---|
| Display Resolution | 320 × 480 resolution | display color | 262K |
|---|
| Brightness | 220cd/㎡ | Contrast Ratio | 1100:1 |
|---|
| Communication Interface | SPI | Display Driver | ST7796 |
|---|
| Touch Type | Capacitive touch | Touch IC | FT6336 |
|---|
IPS Display Panel
Excellent Display Performance, 262K color, Wide Viewing Angle

Capacitive touch
Suitable for developing various smart devices, enabling human-machine interaction functions

5MP OV5647 camera
Onboard MIPI CSI camera interface, comes with an OV5647 camera, suitable for image capture, video surveillance, and other applications, meeting diverse requirements

Camera Specifications
| Sensor | OV5647 | CMOS Size | 1/4inch |
| Pixel | 5MP | Aperture | F2.4 |
| Focal Length | 3.07mm | FOV | 72.9° |
| Distortion | < 1.5% | DOF | 20cm ~ ∞ |
| Image | static image resolution: 2592 × 1944 pixel |
| Video Recording | 1920 × 1080p at 30 fps, 1280 × 720p at 60 fps 640 × 480p at 60 fps, 640 × 480p at 90 fps |
Wi-Fi 6 and BLE 5 Support
onboard ESP32-C6H8 module extends 2.4GHz Wi-Fi 6 and Bluetooth 5 (LE) for ESP32-P4, using SDIO interface protocol for stable connection and efficient transmission

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.


What's On Board

- ESP32-P4NRW32
ESP32-P4 with integrated 32MB PSRAM - 16MB Nor Flash
- Camera interface
15PIN 0.5mm pitch interface for connecting MIPI-CSI (2-lane) camera - AXP2101
Highly integrated power management IC - USB TO UART Type-C port
for power supply, programming and debugging - USB OTG Type-C port
USB OTG 2.0 High Speed port - Onboard microphone
- Power / Charge indicator
After connecting to external power, it lights red when the batt is fully charged or when no batt is connected; lights green while the batt is charging - Amplifier IC
- Speaker header
MX1.25 2PIN connector, supports 8Ω 2W speaker - TF card slot
SDIO 3.0 interface protocol
- IPEX 1 connector and onboard ceramic antenna
Uses the onboard antenna by default, switching to use external antenna via resoldering an onboard resistor - PWR button
Long press 6s to power off, short press to power on - RESET button
- BOOT button
Press it when powering on or resetting to enter download mode - MIPI DSI LCD connector reserved pad
supports 0.5mm pitch 15pin connector - ES8311 low-power audio codec chip
for audio encoding and decoding - 2.54mm GPIO header
adapting available IO function pins for easy expansion - MX1.25 Lithium Batt header
MX1.25 2PIN connector, for 3.7V Lithium Batt, supports charging and discharging - ESP32-C6 module
SDIO interface protocol, extending Wi-Fi 6 / Bluetooth 5 (LE) - SPI display interface
- I2C touch panel interface
Feature Overview

outline dimensions

Resources & Services

Package Content
Weight: 0.093 kg
* the 3.7V Lithium Batt is optional.
- ESP32-P4-WIFI6-Touch-LCD-3.5 host x1
- OPTIONAL 3.7V Lithium Batt x1
- Screwdriver x1