In today’s time Smartwatches and fitness tracker are gradually becoming an important lifestyles device with the help of basic health parameter. To measure heart health and activity levels there’s alot of technology inside in these tiny devices that we individual wear on our wrist. A fitness band or smartwatch comes nearly with 16 sensors inside. Some might have more or less depending upon the price.
The sensors comes along with other hardware components such as battery, mic, display,speakers, etc and capable high-end software that makes a fitness trackers or Smart work. Few Sensors are as follows
Ambient light sensor :The primary job of this sensor is to tweak or adjust the brightness as per the surrounding lights. In the region were there is a less amount of lights coming in the brightness level will be also less.
Axis accelerometer detects movement and track direction: They can easily track forward and backward movements can sense gravity and determine body’s orientation and position of the body.
Alimeter detects how much you are climbing: It detects the changes in height, and can detect how much you are climbing stairs or going down a slope and measure calorie count.
Optical heart rate sensor detects heartbeats per min: This sensor can easily calculate the sensor which uses the light to check the speed of blood flow on the wrist.
Sp O2 Monitor to measure blood oxygen levels: “Deoxygenerated blood, which is returned to your lungs via your veins,is slightly darker red colour than the fully oxygenated blood in your arteries”.






