Steering wheel indicating paddle for displaying power rotating speed of automobile

A steering wheel indicating paddle for displaying a power rotating speed of an automobile, characterized by comprising an emitting panel connected with an OBD port of the automobile, a receiving panel mounted on an R paddle or an L paddle of the automobile, a first lamp panel mounted on another paddle and a second lamp panel integrated to the receiving panel;

• wherein the emitting panel comprises an OBD signal access circuit, a first master control chip, a first power supply circuit and a wireless sending module, the receiving panel comprises a second master control chip, a second power supply circuit and a wireless sending module, and the first lamp panel and the second lamp panel both are provided with lamp panels of marquees and LED driving circuits;
• the OBD signal access circuit comprises a CAN transceiver, a K wire communication chip of the automobile, is connected with the OBD port of the automobile via the CAN transceiver and the K wire communication chip of the automobile and acquires a real-time data signal of the engine of the automobile, the first master control chip is connected with the CAN transceiver, the K wire communication chip of the automobile and the wireless sending module, and the first power supply circuit is respectively connected with the first master control chip, the wireless sending module and the OBD signal access signal and provides a power supply;
• and
• the second master control chip and the first master control chip are in wireless communication connection via a wireless receiving module and the wireless sending module or are in wired connection via the CAN signal access circuit and an original automobile balance spring, the second master control chip is respectively connected with the LED driving circuits via serial buses, the LED driving circuits are connected with the lamp panels of the marquees, and the second power supply circuit respectively supplies power to the wireless receiving module, the second master control chip and the lamp panels of the marquees.