Elevator multimedia controller based on ARM processor

The invention discloses an elevator multimedia controller based on an ARM processor. The elevator multimedia controller comprises a micro processor module, a liquid crystal display module, a voice announcement module, a communication module and a storage module, wherein the liquid crystal display module, the voice announcement module, the communication module and the storage module are connected to the micro processor module. The micro processor module is an ARM processor chip. The liquid crystal display module comprises an LCD signal conversion part and an LCD display screen. The voice announcement module comprises a voice frequency operational amplifier and a loudspeaker. The communication module comprises a CAN bus interface and an RS232 interface. The storage module is an SD card storer. The elevator multimedia controller is simple in structure, excellent in display effect, clear in voice announcement, high in system portability, small in element number, low in cost, suitable for large-scale production, a