Various restaurants use intelligent devices for transformation,which not only attracts customers to dine,but also achieves the effect of saving labor costs and increasing profits.A smart food delivery control system was designed based on the Linux operating system.The touch control interface designed by Qt was used to read and write the PLC coil using ModbusTCP,realizing the control of the frequency converter on the motor.The nRF24L01 module was used to send the RFID tag information of the target food position to the lower computer,and the intelligent food delivery was achieved through this control system.
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