Also available: CrowPanel Advance 2.4" Meshtastic HMI Display and CrowPanel Advance 3.5" Meshtastic HMI Display. The CrowPanel Advance 2.8” HMI AI Display for Meshtastic is a powerful and compact intelligent display designed for advanced IoT and embedded applications. As part of the CrowPanel Advance Series, this version integrates the SX1262 LoRa module, enabling seamless connectivity to the Meshtastic mesh network for reliable off-grid communication. 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 display delivers strong processing performance for complex applications. The 2.8-inch IPS display (320×240 resolution) offers a 178° wide viewing angle and responsive capacitive touch, ensuring a smooth and intuitive user experience. A key highlight is its integrated AI functionality, supporting voice interaction through a microphone and speaker interface. Users can perform voice recognition and speech synthesis, enabling seamless interaction with smart assistants. With support for Arduino IDE, Espressif IDF, PlatformIO, and compatibility with the LVGL graphics library, developers can easily build customized UI applications. Combined with flexible wireless expansion and rich interfaces, this display is ideal for modern smart systems and HMI solutions. Key Features Meshtastic-Enabled Communication Built-in SX1262 LoRa module Direct access to Meshtastic mesh networks Enables off-grid messaging and device connectivity High-Performance ESP32-S3 Platform Dual-core Xtensa LX7 processor up to 240MHz 512KB SRAM + 8MB PSRAM + 16MB Flash Optimized for IoT, AI, and embedded applications AI Voice Interaction Supports microphone and speaker interface Enables voice recognition and speech synthesis Seamless interaction with smart assistants Immersive Display Experience 2.8-inch IPS display (320×240 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 Easy UI Design Works with SquareLine Studio Simplifies UI creation and prototyping Enables fast development cycles Optimized Hardware Design Compact and integrated structure Vertical interface layout for embedded applications Low power consumption Sensor Ecosystem Compatible with 150+ Crowtail sensors Expandable for various IoT applications Applications Industrial Automation Smart City Solutions Smart Home & Home Automation Medical Equipment Interfaces Agricultural Technology Environmental Monitoring Energy Management Systems Logistics & Warehousing Retail & Hospitality Education & Research 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, LVGL, PlatformIO Display Size 2.8 inch Driver IC ST7789 Resolution 320 × 240 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, buzzer Functions RTC clock, audio amplifier, volume control, battery charge management, USB to UART Buttons & Indicators Reset Button Yes, press to reset 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 85.4 × 58.5 × 15.5 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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