ESP32-S3 4.2inch RLCD Development Board, 300 x 400, E-Paper-Like Screen, Supports Wi-Fi & BLE Dual-Mode Communication and AI Voice Interaction, Temperature & Humidity Monitoring, DIY

Product description

Features 1. E-Paper-Like Display: 4.2-inch fully reflective RLCD screen (300400 resolution), low power consumption, no backlight, faster refresh rate, providing an eye-friendly reading experience similar to an e-ink screen. 2. High-Performance Processor: Equipped with an ESP32-S3 dual-core processor (240MHz), supporting 2.4GHz Wi-Fi and Bluetooth 5 (LE) , built-in antenna, easily enabling IoT connectivity and AI applications. 3. Supports AI Voice Interaction: Integrated with an SHTC3 high-precision temperature and humidity sensor and a dual-microphone array (supporting noise reduction/echo cancellation), accurately achieving voice recognition and AI voice interaction, compatible with Xiaozhi AI and large models such as Doubao/DeepSeek/GPT. 4. Long Batt Life and Strong Expandability: Supports 186-50 Li Batt power + R-T-C backup Batt, Micro SD card slot for data storage, and reserved rich interfaces such as UART/I2C/GPIO for easy expansion of DIY projects. (Note: This version doesn't include 186-50 Li Batt) 5. Suitable for DIY Creative Projects and Prototype Development: It can be used to create electronic calendars, smart desktop ornaments, AI intelligent agents, etc., taking into account learning, development and practical application. Comes with Online Tutorial Usage Guide and Online Development Resource, Please check: n9.cl/oz53f Package Content ESP32-S3-RLCD-4.2-EN x1 8 2W MX1.25 2PIN speaker x1 Screwdriver x1.