Description The M5Stack Unit CamS3 is a compact ESP32-S3 Wi-Fi camera built for cloud image transmission, local microSD storage, and embedded vision projects. This 5MP camera module uses the ESP32-S3-WROOM-1-N16R8 with 8MB PSRAM, 16MB Flash, and a customized PY260 sensor for JPEG photos up to 2592 x 1944 resolution. The M5Stack Unit CamS3 integrates a PDM microphone, programmable indicator LED, HY2.0-4P port, and two 1 x 3 download headers. The bottom port exposes ESP32-S3 D+ and D- pins, so the included Grove2USB-C can be used for firmware updates or USB serial communication. With factory firmware and EzData upload, this ESP32-S3 Wi-Fi camera supports remote image monitoring with simple configuration. The official MP4 demonstration is embedded directly after this description. It helps customers review how the 5MP camera module is positioned for remote monitoring, time-lapse photography, and automation before checking the detailed specifications. Features ESP32-S3 platform: the ESP32-S3 Wi-Fi camera uses ESP32-S3-WROOM-1-N16R8 with dual-core 240MHz processing and onboard Wi-Fi antenna. 5MP PY260 camera: the 5MP camera module captures JPEG images up to 2592 x 1944 with 88-degree DFoV and fixed 0.6m focus. Memory for imaging: 8MB PSRAM and 16MB Flash help the M5Stack Unit CamS3 process higher-resolution images. Local and cloud storage: microSD card slot supports local image and data storage, while EzData enables cloud upload. Audio recording: built-in PDM microphone MSM1261D4030HCPM supports audio capture in monitoring projects. Firmware access: included Grove2USB-C and jumper wires support download mode and USB serial communication. Mounting ready: the included LEGO Adapter helps place the camera unit in prototypes and fixtures. Image and Audio Workflow The M5Stack Unit CamS3 combines camera, microphone, wireless connectivity, storage, and firmware access in one small unit. This makes the ESP32-S3 Wi-Fi camera useful when a project needs a compact vision node without a separate camera board and controller. Specifications Module ESP32-S3-WROOM-1-N16R8 Processor Dual-core 240MHz, Wi-Fi, onboard antenna PSRAM 8MB PSRAM Flash 16MB Flash Camera 5MP PY260 Maximum Photo Resolution 2592 x 1944 Fixed Focus 0.6m Output Format JPEG DFoV 88 degrees Microphone PDM microphone MSM1261D4030HCPM Supported Memory Card microSD card Port HY2.0-4P, ESP32-S3 D+/D- exposed for Grove2USB-C Operating Temperature 0 to 40 C Product Size 40.0 x 24.0 x 11.0mm Product Weight 11.1g Package Size 138.0 x 93.0 x 12.0mm Gross Weight 19.2g Applications Remote monitoring: use the M5Stack Unit CamS3 for compact Wi-Fi image nodes in rooms, devices, and fixtures. Time-lapse photography: the 5MP camera module can capture periodic photos and store data on microSD. Industrial automation: add simple image capture or inspection support to small automation systems. IoT image dashboards: combine EzData upload and Wi-Fi connectivity for remote viewing workflows. Audio-enabled monitoring: pair the camera with the built-in PDM microphone for projects that need sound capture. Product List 1 Unit CamS3-5MP 1 Grove2USB-C 2 Male-to-Male Jumper Wires 1 HY2.0-4P Grove Cable, 20 cm 1 LEGO Adapter Other Content Download Mode Tip When using Grove2USB-C, connect G0 and GND with one of the included jumper wires before powering on to enter download mode. Then connect through Grove2USB-C for firmware download or serial communication. Deployment Notes For enclosure design, keep the lens area of the 5MP camera module clean and unobstructed. The M5Stack Unit CamS3 should be mounted with a stable view angle, especially when the 5MP camera module is used for time-lapse or remote inspection. Test exposure, focus distance, and microSD recording before final installation. For repeatable imaging, the M5Stack Unit CamS3 should be tested under the real lighting conditions of the final installation. The 5MP camera module can then be tuned for capture interval, storage behavior, and upload workflow. Compatibility Notice The M5Stack Unit CamS3 5MP firmware is not compatible with firmware built for the older Unit CamS3 OV2640 version. Use the 5MP firmware and examples for this ESP32-S3 Wi-Fi camera. Product Comparison Unit CAM U109 ESP32-WROOM-32E, OV2640 2MP, USB-TTL download Unit CAMS3 U174 ESP32-S3-WROOM-1-N16R8, OV2640 2MP, PDM microphone, Grove2USB-C CDC download Unit CAMS3 5MP U174-B ESP32-S3-WROOM-1-N16R8, PY260 5MP, PDM microphone, Grove2USB-C CDC download Schematic Reference The schematic reference helps developers review power, camera, microSD, microphone, LED, and Grove wiring before integrating the 5MP camera module into a custom product. Resources Official M5Stack product documentation Arduino IDE getting started guide Factory firmware restore guide Grove2USB-C documentation Official schematic PDF ESP32-S3-WROOM-1-N16R8 datasheet MSM1261D4030HCPM microphone datasheet ESP-IDF user demo Unit CamS3-5MP firmware EasyLoader FAQ What is this camera unit used for? The M5Stack Unit CamS3 is used for remote monitoring, time-lapse photography, IoT image dashboards, and industrial automation prototypes. The 5MP camera module format is also useful for compact proof-of-concept systems that need higher still-image detail. Which sensor does it use? It uses a PY260 5MP camera sensor, making it a 5MP camera module with JPEG output up to 2592 x 1944. Does it support wireless upload? Yes. The ESP32-S3 Wi-Fi camera supports Wi-Fi image transmission and EzData cloud upload through the factory firmware. Can it store images locally? Yes. It includes a microSD card slot for storing images and other data. What is included in the package? The package includes Unit CamS3-5MP, Grove2USB-C, two Male-to-Male Jumper Wires, one 20 cm HY2.0-4P Grove Cable, and one LEGO Adapter. Is there an official video? Yes. The official MP4 video is embedded directly after the Description section for this M5Stack Unit CamS3.
