Figure 12-1 Physical diagram of the ultrasonic module Figure 12-2 Ultrasonic module connection
diagram
Figure 12-3 Schematic diagram of ultrasonic connection
Infrared Remote Control
Infrared wireless remote control consists of Mini ultra-thin infrared remote control (shown in Figure
13-1) and integrated 38KHz infrared receiving head. Mini ultra-thin infrared remote control has 17 function
keys, the transmission distance can reach 8 meters, which is very suitable for Control a variety of equipment
indoors.
Figure 13-1 Infrared remote control physical map
In the Motor Driver Board of the racing car,the integrated infrared receiver has been added to the expansion
board. When it is used, it only needs to be inserted into the Arduino. When there is an infrared coded signal
transmission, after being processed by the infrared connector, the output is a square wave signal after the
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