"HEART RATE HAT Blood Oxygen & Heart Rate Sensor M5StickC Heart Rate Sensor Hat (equipped with MAX30102)" New, Unopened This product is not a medical device. It cannot be used for medical purposes. Made by Switch Science Retail Price: 7,337 yen Product Code: M5STACK-U118 This is a sensor that measures heart rate from blood oxygen levels. Equipped with the MAX30102, it is suitable for blood oxygen saturation/heart rate measurement sensor systems. This is a heart rate sensor that does not use electrodes (cannot plug in). It features an I2C communication interface, infrared LED, photodetector, optical components, and low-noise electronic components. It has an ambient light filtering function, making the measurement data more accurate. *After running the program, firmly press your finger against the measurement area. -Features- Heart rate/blood oxygen saturation sensor LED reflection measurement method Durable protective glass shell Programmable sampling rate and LED current High-speed data output High sampling rate High adaptability to motion artifacts High S/N ratio -Applications- Wearable devices Heart rate/blood oxygen measuring instruments Smart health -Contents- 1 x Heart Rate Hat 1 x Double-sided tape -Specifications- Sensor Model: MAX30102 Communication Protocol: I2C I2C Address: 0x57 Operating Voltage: 3.3 V Weight: 5.1 g Size: 25 x 24 x 14 mm Shell Material: Plastic (PC) This is a prize won in a giveaway from the January 2025 issue of the magazine "Tranzystor Gijutsu" (Transistor Technology). I am selling it because I don't have time to build it. It is a new product that has never been opened. There are no noticeable scratches, stains, tears, folds, or discoloration. I do not have any pets or smoke, so there are no odors. For more information about this product, please see the following HP: https://www.switch-science.com/products/7232 I will take waterproof measures, wrap it in air cap, and ship it in a box or envelope. Thank you. Instant purchase is OK. No price reduction. #TranzystorGijutsu #BloodOxygenHeartRateSensor #HeartRateSensor #MAX30102 #M5StickC #ElectronicCraft"