Principle of smart bracelet

The principle of smart bracelet is not complicated.

A smart bracelet is a wearable smart device. Smart bracelets can usually help users record real-time data such as exercise, sleep and diet in their daily lives, and synchronize these data with iOS or Android devices to guide healthy living.

Tools/raw materials

A smart bracelet

Methods/steps

1/2 Step by step reading

The structure of the smart bracelet includes (the main control chip assists MCU (some need: LED light and LCD display control), three-axis acceleration sensor (motion sensor), vibrator (vibration motor), Bluetooth power management chip, battery LED array light (LCD screen), NF label tape button.

2/2

There will be a metal sensor where the bracelet touches the skin, which will be attached to the skin to measure real-time data such as exercise, sleep and diet in daily life according to the amplitude and frequency of wrist movement.

Matters needing attention

The data are all calculated in the acceleration sensor, and the calculated values are temporarily stored, and then transmitted to the mobile phone through Bluetooth when synchronization is needed.