ESP32-P4-EYE A Development Kit for AI Vision Applications
ESP32-P4-EYE: A Development Kit for AI Vision Applications
The ESP32-P4-EYE is a development kit based on the ESP32-P4 chip, designed specifically for AI vision applications. It looks similar to a standard camera and offers a rich set of peripherals, including a camera, microphone, LCD, USB ports, and more.
GitHub Repository:
The documentation is quite comprehensive, including schematics, PCB layouts, and a code example for a mini camera application. This application supports photo capture, timed photo capture, video recording, gallery preview, SD card installation, and a settings interface with adjustable resolution, saturation, contrast, brightness, and hue.
Key Features:
- Dual-core 400 MHz RISC-V Processor with support for up to 32MB PSRAM.
- Supports USB 2.0, MIPI-CSI/DSI, and H264 Encoder.
- ESP32-C6-MINI-1U module for Wi-Fi (Wi-Fi 6), Bluetooth, Zigbee, and Thread communication.
- Camera Interface (MIPI-CSI) and USB 2.0 High-Speed Slave Mode.
- Onboard Camera, Display, Microphone, and MicroSD Card support.
- Rotary Encoder for controlling LCD menus and adjusting zoom.
- USB or Battery-powered.
Functional Block Diagram:
Component Descriptions:
ESP32-P4-EYE PCB Overview:
Key Components:
| Component | Description |
|---|---|
| MicroSD Card Slot | Supports 4-wire SDIO and SPI mode for MicroSD cards. |
| Test Points | Provides access points for programming and testing the ESP32-C6-MINI-1U, which can be connected via Dupont wires. |
| USB 2.0 Device Port | Connects to the ESP32-P4's USB 2.0 OTG high-speed interface, adhering to USB 2.0 specifications. This port can also be used to power the development board. |
| USB Debugging Port | For board power, firmware flashing, and connecting to the ESP32-P4 via USB-Serial-JTAG interface. |
| Power Switch | Toggle to "I" to power on with a 5V input, and "O" to power off. |
| User-Defined Button | Can be customized by the user for specific functions. |
| LCD FPC Connector | Connects to a 1.54-inch LCD screen. |
| LCD Screen | A 1.54-inch LCD with a 240×240 resolution and SPI interface, capable of displaying real-time camera images. |
| Charging Indicator | Red when charging, green when charging is complete. |
ESP32-P4-EYE Back View:
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| Component | Description |
|---|---|
| Rotary Encoder | Customizable for controlling the LCD interface or adjusting camera zoom. |
| ESP32-C6-MINI-1U | Serves as the Wi-Fi and Bluetooth communication module. |
| Fill/Flashlight | Provides illumination for image capture and video recording. |
| Digital Microphone | Used for voice recognition or audio recording. |
| MIPI CSI Connector | Connects to the camera module. |
| Female Header | 2 x 10P header, customizable for your application. |
| SPI Flash | 16MB flash memory connected via SPI interface. |
| ESP32-P4 Series | A high-performance MCU with large memory, supporting advanced image and audio processing. |
| Battery Connector | Connects to a lithium battery. |
| Reset Button | Resets the board. |
| Boot Button | Used for entering boot mode. Press while holding down the Boot Button to reset the ESP32-P4 and enter firmware download mode. |
| Camera | 2 MP resolution with manually adjustable focus. |
Application Scenarios:
This development board can be used in various AI vision applications such as:
- Smart Surveillance: With the camera and microphone, it can be used to capture images and audio for monitoring and security.
- Edge AI for Vision: Perform real-time image detection and AI processing directly on the device.
- IoT Integration: Ideal for integrating into an IoT system for remote monitoring, control, and data collection.
Innovation and Ecosystem:
Espressif has truly excelled in making the ESP32-P4-EYE an open and innovative development platform. The ecosystem around the ESP32 series is thriving with plenty of support for new applications.