Description Waveshare ESP32-S3-Touch-LCD-3.5B is a 3.5inch capacitive touch display development board with an OV5640 camera, built around the ESP32-S3R8 platform for AIoT, multimedia, and advanced portable control projects. It combines a 480×320 IPS touchscreen, 16MB Flash, 8MB PSRAM, ES8311 audio codec, PCF85063 RTC, QMI8658 6-axis IMU, AXP2101 power management, TF card slot, and rechargeable battery support in one compact case-based board. This makes it especially suitable for touch HMI, camera-enabled smart devices, speech interaction demos, and ESP32-S3 edge vision prototypes. Features 3.5inch capacitive touch display: 480×320 IPS panel with QSPI display interface and I2C touch for responsive local interaction. ESP32-S3R8 onboard: Xtensa 32-bit LX7 dual-core processor up to 240MHz with Wi-Fi and Bluetooth 5 LE support. OV5640 camera included: This SKU includes the OV5640 camera module and also supports mainstream camera options such as OV2640. Audio-ready platform: Includes ES8311, microphone, and speaker header for audio input/output workflows. Power and timing support: Includes AXP2101, PCF85063, RTC backup header, and lithium battery support. Storage and expansion: Includes a TF card slot, GPIO header, and IPEX 1 antenna connector. Specifications Item Details Brand Waveshare Part No. ESP32-S3-Touch-LCD-3.5B Main chip ESP32-S3R8 CPU Xtensa 32-bit LX7 dual-core, up to 240MHz Wireless 2.4GHz Wi-Fi (802.11 b/g/n), Bluetooth 5 LE Memory 8MB PSRAM, 16MB Flash Display 3.5inch IPS LCD, 320 × 480, 262K colors Display interface QSPI Display / touch controller AXS15231B, capacitive touch over I2C Camera OV5640 included, OV2640 also supported Audio ES8311 codec, microphone, speaker header Onboard devices PCF85063, QMI8658, AXP2101, TF card slot, RTC battery header Battery support MX1.25 2P connector for 3.7V lithium battery Applications Camera-enabled smart devices: Useful for image capture, vision-assisted UI, and edge AI experiments. Touch HMI and control panels: The 3.5inch touchscreen is suitable for embedded dashboards and local control interfaces. Speech interaction prototypes: Audio hardware plus display make it practical for assistant-style projects. Portable multimedia terminals: Battery support and storage expansion help with portable display products. ESP32-S3 AIoT development: A strong platform for combining wireless communication, touch UI, camera, and sensors. Product List Waveshare ESP32-S3 3.5inch Capacitive Touch Display with Camera & Case x1 Other Content What's On Board ESP32-S3R8 + 16MB Flash: Main control and storage platform. Camera interface: Supports mainstream camera modules such as OV5640 and OV2640. AXP2101: Highly integrated power management IC. ES8311 + microphone + speaker header: Audio input and output support. PCF85063 + QMI8658: RTC and 6-axis IMU for timekeeping and motion-based projects. TF card + lithium battery header + GPIO header: Storage, power, and expansion flexibility. Pin Definition Key Hardware Notes Touch panel: Uses a capacitive touch interface over I2C. Display path: Uses a QSPI display interface for the 3.5inch IPS panel. Wireless expansion: Includes an IPEX 1 antenna connector that can be enabled by resistor rework. RTC backup: Includes an SH1.0 RTC backup battery header. Outline Dimensions Resources Official Wiki Waveshare Documentation Platform Official FAQ Schematic PDF Official Demo Package 3D STEP File ESP32-S3 Datasheet FAQ Does this version include the OV5640 camera? Yes. This SKU is the ESP32-S3-Touch-LCD-3.5B version with the OV5640 camera included. Can it also work with OV2640? Yes. Official hardware notes state that the camera interface supports mainstream modules such as OV5640 and OV2640. What kinds of projects fit this board best? It works especially well for touchscreen AIoT terminals, camera-enabled smart devices, speech interaction prototypes, and portable ESP32-S3 multimedia interfaces.
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