Description M5Stack Capsule Kit v1.1 with M5StampS3A is a compact ESP32-S3 capsule kit for portable sensing, low-power data collection, motion tracking, and embedded IoT projects. The M5-K129-V11 kit upgrades the controller to M5StampS3A, keeping the integrated capsule form factor while improving wireless and hardware performance for compact edge devices. The M5Stack Capsule Kit v1.1 combines sensing, storage, power management, and controller functions in one small module. It integrates a BMI270 6-axis IMU for attitude and motion tracking, an SPM1423 MEMS microphone for audio capture and voice-triggered workflows, an infrared sensor for remote-control interaction, a BM8563 RTC for timed wake-up, and a microSD card slot for local storage expansion. With a built-in 250mAh battery, external battery expansion support, magnetic mounting, screw holes, buzzer feedback, and support for UiFlow2, Arduino IDE, ESP-IDF, and PlatformIO, the M5Stack Capsule Kit v1.1 with M5StampS3A is a practical portable IoT sensor node for mobile prototypes, smart terminals, and low-power logging systems. Features ESP32-S3 capsule kit: M5StampS3A based platform with ESP32-S3FN8, 8MB Flash, and compact capsule enclosure. BMI270 6-axis IMU: supports motion sensing, attitude tracking, gesture detection, and mobile data collection projects. SPM1423 MEMS microphone: enables audio capture, sound-triggered events, and voice-interaction experiments. Low-power timed wake-up: BM8563 RTC supports scheduled wake workflows, with sleep current around DC 4.2V at 35uA. Infrared interaction: built-in IR support can be used for remote-control smart terminal applications. Data storage expansion: onboard microSD card slot supports local logging and media storage. Portable mounting: 250mAh battery, four internal magnets, and two M3 mounting holes help deploy the portable IoT sensor node. Specifications SKU M5-K129-V11 Product M5Stack Capsule Kit v1.1 with M5StampS3A SoC ESP32-S3FN8 Core Controller M5StampS3A Flash 8MB Attitude Sensor BMI270 6-axis IMU MEMS Microphone SPM1423 Clock Chip BM8563 RTC Storage microSD card slot Battery 250mAh, with external battery expansion support Infrared Remote Distance 330cm at 180 degrees, 48cm at 90 degrees, 134cm at 45 degrees Sleep Current DC 4.2V at 35uA Operating Current DC 4.2V at 144mA Mounting Four internal magnets, two M3 mounting holes Development Platforms UiFlow2, Arduino IDE, ESP-IDF, PlatformIO Product Size 40.0 x 24.0 x 16.2mm Product Weight 18.7g Applications Portable IoT sensor node projects for mobile sensing, low-power logging, and edge data collection. Motion tracking and attitude detection using the BMI270 6-axis IMU. Audio capture, voice-triggered prototypes, and sound-aware devices using the SPM1423 MEMS microphone. Infrared remote-control smart terminals, wearable interaction prototypes, and compact control nodes. Timed wake-up data collection systems that use the BM8563 RTC and battery-powered ESP32-S3 capsule kit design. Product List 1 Capsule v1.1 with M5StampS3A Other Content The M5Stack Capsule Kit v1.1 is best treated as a compact all-in-one sensor terminal. Use the IMU for movement data, the microphone for sound events, the RTC for timed wake-up, and the microSD slot for local records. This keeps the M5-K129-V11 useful even when the device is not continuously connected to a host system. For physical deployment, the four internal magnets and two M3 mounting holes help attach the portable IoT sensor node to a mobile fixture, test surface, enclosure, or semi-fixed sensing point. For battery-sensitive projects, design around timed wake-up and short active measurement windows. Resources M5Stack K129-V11 Official Documentation M5Unified Arduino Library M5Stack Hardware Repository FAQ What is M5Stack Capsule Kit v1.1 used for? M5Stack Capsule Kit v1.1 with M5StampS3A is used for portable sensing, low-power logging, motion tracking, audio capture, infrared interaction, and compact ESP32-S3 IoT terminals. What changed in Capsule Kit v1.1? The M5-K129-V11 version uses M5StampS3A as the core controller, improving the platform while keeping the small capsule form factor. Does it include motion sensing? Yes. The kit includes a BMI270 6-axis IMU for attitude tracking, motion sensing, and portable sensor node projects. Can it record sound? Yes. The integrated SPM1423 MEMS microphone supports audio capture and sound-triggered embedded workflows. Is it suitable for battery-powered projects? Yes. The ESP32-S3 capsule kit includes a 250mAh battery, external battery expansion support, and BM8563 RTC timed wake-up support, making it suitable for low-power portable IoT sensor node designs.
