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:

Documentation:

• Wiki

Package Includes:

• 1 x ESP32-P4-WIFI6-Touch-LCD-3.5 host
• 1 x Screwdriver
• 1 x 3.7V Lithium Batt (OPTIONAL)