ESP32-S3 1.85inch Round LCD Development Board, 360×360, Supports Wi-Fi & Bluetooth BLE 5, AI Speech, Smart Speaker Box, ESP32 With Display Integrated audio input and output, enabling AI interaction and offline voice control Features ESP32-S3-Touch-LCD-1.85C is a microcontroller development board with 2.4GHz Wi-Fi and Bluetooth BLE 5 support, integrating high-capacity Flash and PSRAM. It features an onboard 1.85inch LCD display capable of smoothly running GUI programs such as LVGL. Combined with various peripheral interfaces, it is suitable for the quick development of HMI and other ESP32-S3 applications. Equipped with high-performance Xtensa 32-bit LX7 dual-core processor, up to 240MHz main frequency. Supports 2.4GHz Wi-Fi (802.11 b/g/n) and Bluetooth 5 (LE), with onboard antenna. Built-in 512KB SRAM and 384KB ROM, with onboard 16MB Flash and 8MB PSRAM. Onboard 1.85inch LCD display, 360×360 resolution, 262K color. Supports capacitive touch controlled via I2C interface, with interrupt support. Adapting UART, I2C and some IO interfaces. Onboard audio decoder, Microphone, RTC sensor, TF card slot and battery recharge management module, etc. Supports accurate control such as flexible clock and multiple power modes to realize low power consumption in different scenarios. Version Options All versions come with touch function. ESP32-S3-Touch-LCD-1.85CStandard version ESP32-S3-Touch-LCD-1.85C-BOXWith speaker box, optional for 3.7V Lithium battery Application Scenarios Excellent Display Performance 262K color, 360×360 resolution, wide viewing angle Capacitive touch Supports capacitive touch function controlled via I2C interface for flexible operation and smooth UI interaction, with interrupt support. Onboard Audio Input/Output Supports high-quality audio processing, providing clear and high-quality audio input and output. Equipped with the offline voice model we provided to realize device control via customizable shortcut commands. Supports AI Speech Interaction Allows access to online large model platforms such as GPT, DeepSeek, Doubao, etc. Supports multiple peripherals Supports the expansion of multiple peripherals via UART, I2C and GPIO interfaces, etc. Interface Introduction Standard version This version does not include the speaker box, while all buttons are the same as the speaker box version. With speaker box version What's On Board ESP32-S3R8Dual-core processor, up to 240MHz operating frequency 16MB Flash TCA9554PWRGPIO expander chip RTC chipPCF85063 RTC chip Amplifier chip PCM5101 audio decoder Battery recharge manager MP1605GTF-ZPower module, supports up to 3.3V 2A output Volume adjustment knob TF card slot IPEX1 connectorSwitching to use the external antenna via resoldering an onboard resistor Onboard ceramic antenna Battery power supply ON/OFF Speaker header Microphone MX1.25 battery headerMX1.25 2PIN connector, for 3.7V Lithium battery, supports charging and discharging UART header Power indicator USB Type-C port Charge indicatorLithium battery charge indicator, lights up when charging, off when fully charged (the light status is uncertain when the battery is not connected) I2C headerconnecting with internal chip, only supports the I2C peripherals and cannot be mapped to other functions RTC battery headerfor connecting rechargeable RTC battery 1.27mm pin headerReserved 28PIN header, adapting GPIO and other function pins RESET button BOOT button Outline Dimensions Standard version With speaker box version
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