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Last seen: Aug 29, 2025
While heart rate and respiration alone can give you a general idea, they’re not enough to accurately determine your stress level. EEG indicates conc…
Yeah, isn’t it amazing? It simultaneously analyzes various biosignals like heart rate variability (HRV), electroencephalography (EEG), electromyograph…
The noise sensor can check the ambient noise level, and the wind/air pressure sensor can detect weather changes and altitude. These are features that …
Yes! There are many products that include temperature/humidity sensors, UV sensors, and even light sensors, so you can check the weather, sunlight int…
Yes. The gas sensor checks for air pollutants like CO2, CO, and NOx, and the fine dust sensor can monitor PM2.5 and PM10 in real time. If the product …
Yes, breathing monitoring wearables like Spire Health Tag continuously track my breathing patterns and notify me immediately if something goes wrong. …
Yes, allergy alert wearables like Flow detect allergens in the surrounding air and alert you if they’re dangerous. They tell you when to wear a mask o…
Yes, products like the Atmotube Pro detect air pollutants like PM2.5, PM10, and VOCs in real time and send an immediate alert if the air quality is po…
Exactly! Combining these sensors allows for customized skincare solutions, real-time monitoring to prevent skin problems, and much easier skin care.
The UV sensor measures UV exposure and sends a sunburn warning, while the pH sensor checks the skin’s surface acidity to alert you to allergies or irr…
Yes, they both measure skin information, but in different ways. An optical sensor measures moisture, oil, and wrinkles by reflecting light and analyzi…
Absolutely! Something like L’Oréal My Skin Track UV monitors the UV index, humidity, temperature, and even fine dust in real time, and sends a smartph…
That’s right. These days, devices don’t just measure skin conditions; they connect to AI to check pores, moisture, and wrinkles, and even recommend sk…
That’s why wearables these days have multiple microphones to detect direction. This is used to emphasize sounds from a specific direction or to elimin…
That’s right! It can analyze even the most subtle sounds from the body, so it can be used to track heartbeats and breathing. Of course, the higher the…
Ah, at its core, you can think of it as a MEMS microphone. A tiny diaphragm reacts to sound and converts it into an electrical signal. It doesn’t end …
Exactly! It’s designed to fit snugly around the wrist or forearm, minimizing sensor displacement or shaking. It then integrates all data using sensor …
It’s a little different. During exercise, the sampling rate is increased for precise measurements, and during sleep, it’s lowered to conserve battery …
That’s right, it doesn’t just measure heart rate. It uses an accelerometer and gyroscope to accurately track movement, and a PPG sensor to monitor hea…
Yes, as sensor technology continues to advance, head-mounted wearables will become more diverse and intelligent. Feel free to ask any questions you ma…
That’s right, it measures brain waves and is used for concentration, sleep analysis, brain-computer interfaces, and more. Thanks to the more comfortab…
Yes, PPG optical sensors can be used to measure changes in blood flow in the head to determine heart rate. While there’s some signal noise due to move…
Cameras capture the surrounding environment and display AR content, or are used for functions like facial recognition and gesture recognition. These d…
An IMU is a sensor that combines an accelerometer, a gyroscope, and sometimes a magnetometer. It measures movement, rotation, and position, and is use…
Exactly. Athletes track HRV to see if they’re recovered or overtraining. Low HRV after workouts can mean your body’s still under stress, so it’s a sig…
Most use optical sensors, like the ones in Apple Watch or Garmin, to track your pulse and estimate the intervals between beats. It’s not as precise as…
Often, yes. When you’re stressed, your sympathetic nervous system kicks in—your “fight or flight” mode—and your heartbeats become more regular, which …
Basically, HRV is the variation in time between each heartbeat. It’s not about how fast your heart’s beating, but how much those beats differ in spaci…
Feel free to ask any questions you have! Thank you.
Where you wear your wearable, how you walk, your surroundings, and other activities all affect pedometer accuracy. That’s why the intelligence of the …