Design of Sharing Bicycle Smart Lock System Based on Bluetooth and GPRS Communications

In order to meet the demand of sharing market especially the bike-sharing industry, a smart lock system based on Bluetooth low power and GPRS communication is designed. The connection with the user’s client via Bluetooth and the control of the whole system is realized by using CC2541. GPRS communication with the server is realized by SIM800C and GPS positioning module is added. The unlocking methods of scanning two-dimensional code and entering the password are designed in terms of use to protect the normal use of the bike. The charging circuit design is completed to ensure the continuous power supply system using solar charging.