Circuit combining functions of charging and activating motorcycle screen projection without an additional wearable device

A circuit combining functions of charging and activating motorcycle screen projection without an additional wearable device, comprises a jointer J1, a jointer J2, a power control circuit and a Bluetooth circuit;

• the jointer J1 is electrically connected to a charging port of a motorcycle;
• an input end of the power control circuit is electrically connected to the charging port of the motorcycle;
• the power control circuit has two voltage-output ends, one end of the two voltage output-ends is electrically connected to the Bluetooth circuit;
• an other end of the two voltage output-ends is electrically connected to the jointer J2;
• the jointer J2 is connected to a mobile device;
• the circuit further comprises a Power Delivery (PD) fast-charging circuit and a communication detection circuit;
• the PD fast-charging circuit is used for integration negotiation protocol and voltage transmission;
• the communication detection circuit is responsible for detecting a connection state among the mobile device, the motorcycle and a motorcycle screen projection;
• when the Bluetooth circuit establishes a communication connection with the motorcycle and when the mobile device establishes a communication connection with the Bluetooth circuit, the motorcycle screen projection is activated;
• or when the jointer J1 connects to the motorcycle and when the jointer J2 connects to the mobile device, the motorcycle screen projection is activated, at the same time, the motorcycle is capable of providing a PD fast charging to the mobile device.