The elder bracelet mainly USES acceleration sensor to realize step counting and sleep monitoring, and Lora wireless scheme to realize positioning and other functions. It is mainly aimed at the elderly market, and the scheme adopts NXP's low-power MCU+SX1278.Address (optional) :

2. Main function and performance parameters:

Operating voltage: li-on Battery 3.7v, Lora transmission power 12-14db, communication distance 200m;

3. Core advantages of the scheme:

Low cost

Low power consumption

Long distance communication

Lora

4. Market segment of program application:

Positioning the bracelet

The old man lost the

Step counting bracelet, sleep monitoring