Also available: CrowPanel Advance 2.4" Meshtastic HMI Display and CrowPanel Advance 2.8" Meshtastic HMI Display. The CrowPanel Advance 3.5" HMI ESP32 AI Display for Meshtastic is an upgraded intelligent display from the CrowPanel Advance Series, designed to deliver enhanced performance, rich features, and seamless connectivity. This Meshtastic-enabled version integrates the SX1262 LoRa module, allowing the display to connect directly to the Meshtastic mesh network and communicate with other devices in off-grid environments. Powered by the ESP32-S3 processor, featuring a dual-core Xtensa LX7 CPU running up to 240MHz, along with 512KB SRAM, 8MB PSRAM, and 16MB Flash, the device provides powerful processing for complex applications. It also includes Wi-Fi and Bluetooth connectivity, ensuring reliable wireless communication. The 3.5-inch IPS display (480×320 resolution) offers a wide 178° viewing angle and responsive capacitive touch, delivering an intuitive and immersive user experience. A standout feature is its integrated AI functionality, supporting voice recognition and speech synthesis through a built-in microphone and speaker, enabling natural interaction with smart assistants. With support for Arduino IDE, Espressif IDF, PlatformIO, and compatibility with the LVGL graphics library, developers can easily build custom UI applications. Combined with flexible wireless module support and extensive I/O, this display is ideal for modern IoT, HMI, and embedded systems. Key Features Meshtastic-Enabled Communication Built-in SX1262 LoRa module Direct access to Meshtastic mesh networks Enables off-grid messaging and device communication High-Performance ESP32-S3 Platform Dual-core Xtensa LX7 processor up to 240MHz 512KB SRAM + 8MB PSRAM + 16MB Flash Powerful performance for embedded and AI applications Advanced AI Voice Interaction Built-in microphone and speaker interface Supports voice recognition and speech synthesis Enables seamless interaction with smart assistants Immersive Display Experience 3.5-inch IPS display (480×320 resolution) 178° wide viewing angle Smooth and responsive capacitive touch Flexible Wireless Expansion Replaceable wireless module design Supports multiple protocols: LoRa Zigbee nRF24L01 Matter Thread Wi-Fi 6 Developer-Friendly Ecosystem Supports Arduino IDE, Espressif IDF, PlatformIO Compatible with LVGL graphics library Supports C++ development Built-in demo UI and examples for quick start Easy UI Design Fully compatible with SquareLine Studio Simplifies UI design and development Enables rapid prototyping of custom interfaces Enhanced Hardware Design Built-in RTC (Real-Time Clock) Optimized vertical interface layout Compact and integrated design for embedded systems Sensor Integration Compatible with 150+ Crowtail sensors Expandable for various IoT applications Applications Industrial Automation Smart City Solutions Smart Home & Building Automation Agricultural Technology Environmental Monitoring Energy Management Systems Logistics & Supply Chain Management Retail & Hospitality Medical Equipment Interfaces Education & Research Projects Emergency & Disaster Response Technical Specifications Category Specification Main Chip (ESP32-S3-WROOM-1-N16R8) CPU/SoC Xtensa 32-bit LX7 dual-core processor, up to 240MHz System Memory 512KB SRAM, 8MB PSRAM Flash / ROM 16MB Flash, 384KB ROM Development Language C/C++ Development Environment ESP-IDF, Arduino IDE, PlatformIO, LVGL Display Size 3.5 inch Driver IC ILI9488 Resolution 480 × 320 Panel Type IPS Panel Touch Panel Capacitive Single Touch Viewing Angle 178° Brightness 400 cd/m² (Typical) Color Depth 16-bit Wireless Communication (Onboard Antenna) Wi-Fi 2.4GHz, 802.11 a/b/g/n Bluetooth Bluetooth 5.0 and BLE LoRa Supported via SX1262 module Interface & Functions Interfaces USB port, UART, I2C, SD card slot, battery socket, speaker port, microphone Functions RTC clock, audio amplifier, volume control, battery charge management, USB-to-UART Buttons & Indicators Reset Button Yes, press to reset the device Boot Button Press and hold to enter programming mode PWR Power indicator CHG Battery charging status indicator Power Input 5V / 2A via USB or UART terminal Environment Operating Temperature -20°C to 70°C Storage Temperature -30°C to 80°C Mechanical Installation Method Back hanging, fixed hole Dimensions 101.4 × 63.3 × 15.8 mm SX1262 LoRa Module (Pin Definition) Interface DIO1, DIO2, DIO3 (GPIO)SCK, MISO, MOSI (SPI)NSS (Chip Select)BUSY (Status)NRESET (Reset)3V3, GND Antenna Performance Gain 3.5 dBi VSWR ≤ 1.9 Impedance 50 Ω Polarization Vertical Lightning Protection DC Ground Antenna Mechanical Specification Wire Spec RF1.13 Wire Length 10 cm Connector Type IPEX-1 Weight 0.01 kg Operating Temperature -40°C to 85°C Display Pin Definition SPK Audio output (PH2.0-2P) PWR Power LED RST Reset button BOOT Boot configuration UART0-OUT Serial communication output (HY2.0-4P) UART0-IN Serial communication input (XH2.54-4P) I2C-OUT Peripheral communication (HY2.0-4P) BAT Battery connection (PH2.0-2P) Technical Documents Wiki ESP32-S3 Datasheet LoRa is a registered trademark of Semtech Corporation. LoRaWAN is a trademark of the LoRa Alliance. USB-C is a registered trademark of USB Implementers Forum. MCCI and MCCI Catena are registered trademarks of MCCI Corporation. All other trademarks are the property of their respective owners.
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