Bluetooth-technology-based accurate tire air pressure monitoring system for electric bicycle

The invention discloses a Bluetooth-technology-based accurate tire air pressure monitoring system for an electric bicycle. The system mainly comprises an ARM (advanced reduced instruction-set computer machine) processor, a sound and light prompting module, a display, a signal conversion circuit, a Bluetooth 4.0 module II and an air pressure data acquirer, wherein the air pressure data acquirer comprises an air pressure sensor and a Bluetooth 4.0 module I, and is fixedly arranged in a vacuum tire of the electric bicycle; the ARM processor, the signal conversion circuit and the Bluetooth 4.0 module II are fixedly arranged in a headstock of the electric bicycle; the sound and light prompting module and the display are fixedly arranged on a display panel of the electric bicycle; the sound and light prompting module, the display and the signal conversion circuit are connected with the ARM processor respectively; the Bluetooth 4.0 module II is connected with the signal conversion circuit; the air pressure sensor is connected with the Bluetooth 4.0 module I; information data is wirelessly transmitted between the Bluetooth 4.0 modules I and II. The system is simple in structure, reasonable in design, safe, reliable and low in using cost.