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In recent years, wireless technology has developed rapidly, especially in consumer scenarios, and various applications have emerged endlessly.

Shenzhen Shengrun Technology Co., Ltd. focuses on Bluetooth technology products and IoT embedded solutions. It integrates research and development, generation, sales and after-sales service. With IoT as the core of application, it uses wireless transmission technology and is committed to advocating and promoting Innovative applications of Bluetooth technology in consumer electronics, smart home and other fields.

Everyone should have a simple understanding of the Bluetooth protocol stack, but there must be a feeling of "seeming to understand, not to say, to rest".

Bluetooth technology's new generation core specification version "Bluetooth 5" (Bluetooth 5), its main updates include longer transmission distance, faster transmission speed, larger broadcast data transmission volume, and interoperability with other wireless technologies and Improve coexistence.

At present, the reason why e-bike/e-scooter sharing is so hot is that the customer experience is very good. In a busy city, spending a dollar to ride a bicycle/bike can save time and is very pleasant. A few years ago, we couldn’t even think of unlocking a e-bicycle/e-scooter with a mobile phone that turned on Bluetooth.

First of all, need to understand several states of the Bluetooth BLE device: one of the slave is in standby, broadcast, and connection state, and the master is in standby, scanning, or connection state. The connection interval is a parameter for the connection state. If two devices are not connected, this parameter will not affect the power consumption in this state.