Product Description
ESP32-P4 Smart 86 Box Development Board, Based On ESP32-P4 Controller With RISC-V 32-bit Dual-core And Single-core Processors, Onboard 4inch 720 × 720 Pixel Touch Display, 5-point TouchESP32-P4 Smart 86 Box
Based On ESP32-P4 Module, Supports Secondary Development
Enable Smart Living & Industrial IoT For Scenario-Based Control

Version Options
ESP32-P4-WIFI6-Touch-LCD-4B
Onboard camera interface

ESP32-P4-86-Panel-ETH-2RO
Onboard Ethernet port, RS485 terminal, and 2-ch relay
This product series is a high-performance development board based on ESP32-P4 controller with RISC-V 32-bit dual-core and single-core processors, onboard 4inch 720 × 720 resolution IPS touch display. It features rich Human-Machine interfaces including MIPI-CSI (with integrated Image Signal Processor), and supports USB OTG 2.0 HS for high-speed communication.
It also 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
128 KB HP ROM, 16 KB LP ROM, 768 KB HP L2MEM, 32 KB LP SRAM, 8 KB 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 32MB Nor Flash
Commonly used peripherals such as MIPI-CSI, MIPI-DSI, USB 2.0 OTG, Ethernet port, SDIO 3.0 TF card slot, dual microphones (support echo cancellation), speaker header and RTC battery header, etc. (available interfaces vary by model, please refer to the onboard resources for more details)
Security features: Secure Boot, Flash Encryption, cryptographic accelerators, and TRNG. Additionally, hardware access protection mechanisms help to enable Access Permission Management and Privilege Separation
Model | 4inch IPS touch screen |
Resolution | 720 × 720 |
Comm Interface | supports RGB565, RGB666, RGB888 |
Display Panel | IPS |
Touch Type | Capacitive |
Touch Chip | GT911 |
Brightness | 400cd/m² |
Contrast Ratio | 1200:1 |
Viewing Angle | 170° |
Outline Dimension (H×V) | 86.5 × 86.5 (mm) |
Display Area (H×V) | 71.93 × 71.93 (mm) |
Pixel Pitch (H×V) | 0.0999 × 0.0999 (mm) |
Color | 16.7M |
170° wide viewing angle, Excellent display performance, high contrast
Capacitive 5-point touchSupports 5-point sensitive touch, seamlessly combining intuitive operation with rapid response for efficient and convenient development

Onboard RS485 interface
Supports Automatic data transmission and reception, built-in power isolation, digital isolation, TVS and other protections
* only available on ESP32-P4-86-Panel-ETH-2RO version
2-Channel RelayOnboard Optocoupler isolation, prevents the relay from being interfered by high-voltage circuit
* this function is only available on ESP32-P4-86-Panel-ETH-2RO version

Relay Specifications | Contact rating | ≤10A 250V AC or ≤10A 30V DC |
Relay channels | 2 | |
Contact form | 1 NO, 1 COM | |
Isolation | Optocoupler Isolation |
Contact rating of the onboard relay up to 10A 250V AC / 30V DC
Directly controlling 220VAC home appliances, or devices below 30V DC
* this function is only available on ESP32-P4-86-Panel-ETH-2RO version
100M RJ45 Ethernet PortSupports 10/100M wired network communication
* this function is only available on ESP32-P4-86-Panel-ETH-2RO version

* When connecting the network cable, the depth of the 86-type back box should be considered. A short-body RJ45 connector cable is recommended.
Installation diagramDesigned with standard 86 dimensions and modular structure for easy installation

* the 86-type back box and screws are NOT included
It is recommended to use an 86-type back box with a depth of 33mm or more
If you need to use RJ45 Ethernet port, the back box depth of ≥35mm is recommended
If using a 33–35 mm box, consider using short-body RJ45 connector cable
(* Only the ESP32-P4-86-Panel-ETH-2RO comes with Ethernet port, RS485, and relays)
Onboard ES8311 audio codec chip and ES7210 echo cancellation circuit. Meet daily audio application scenarios
Supports AI voice interactionSupports mainstream AI platforms and can be connected to online large model platforms such as Doubao, DeepSeek, and other AI models


Highly integrated & powerful performance
Adopts ESP32-P4-Core module, with built-in ESP32-P4 and 32MB Nor Flash
Wi-Fi 6 and Bluetooth moduleThe onboard ESP32-C6-MINI module extends 2.4GHz Wi-Fi 6 and Bluetooth 5 (LE) for ESP32-P4, using SDIO interface protocol for stable connection and efficient transmission
Application scenarios
Smart Switch

Human-Machine Interface

Smart Home Terminal
What's On Board
ESP32-P4-Core
integrated ESP32-P4NRW32, 32MB Nor FlashESP32-C6-MINI-1U-H8 module
SDIO interface protocol, extending Wi-Fi 6 / Bluetooth 5 (LE)2.54 4PIN pads
for ESP32-C6 module firmware burningMIPI CSI interface
for connecting MIPI 4inch screenRTC battery header
for connecting rechargeableRTC battery(supports rechargeable RTC batteries only)Onboard microphones
Microphone inputs with echo cancellationBOOT button
press it when powering on or resetting to enter download modeExpansion header (pitch 2.0mm)
extended IO pins, also for connecting 86 Panel Bottom BoardRESET button
10.PWR LED indicator
11. USB OTG Type-A connector
USB OTG 2.0 High-Speed interface
12. USB TO UART Type-C connector
for power supply, program burning and debugging
13. ES7210 echo cancellation chip
echo cancellation algorithm chip, used to eliminate echo and improve audio capture accuracy
14. IP101
Ethernet port chip
15. ES8311 low-power audio codec chip
for audio encoding and decoding
16. MIPI CSI interface
15Pin pitch 1.0mm connector, for connecting MIPI 2-lane cameras
(only available on ESP32-P4-WIFI6-Touch-LCD-4B version)
17. Speaker header
MX1.25 2P connector, supports 8Ω 2W speaker
18. TF card solt
SDIO 3.0 interface protocol
Only ESP32-P4-86-Panel-ETH-2RO has the following resources

19. RJ45 100M Ethernet port
20. Relay indicators
21. Power isolation module
22. Digital isolator
23. Optocoupler isolation
24. 2-ch relay
25. Relay screw terminal
5.08mm 4PIN
26. RS485 screw terminal
27. Power screw terminal
wide voltage range input: DC 6V ~ 30V
ESP32-P4-WIFI6-Touch-LCD-4B

ESP32-P4-86-Panel-ETH-2RO

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Condition
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