ESP32-S3 4.2inch RLCD Development Board, 300 x 400, E-Paper-Like Screen, Support

E-Paper-Like Display: 4.2 -inch fully reflective RLCD screen (300×400 resolution), low power consumption, no backlight, faster refresh rate, providing an eye-friendly reading experience similar to an e-ink screen
High-Performance Processor: Equipped with an ESP32-S3 dual-core processor (240MHz), supporting 2.4GH z Wi-Fi and Bluetooth 5 (LE), built-in antenna, easily enabling IoT connectivity and AI applications
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
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 includes 186-50 Li Batt)
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