numbers printed on the serial monitor, and the receiver will light red when receiving the infrared signal.Of
course, you can also write a program that uses infrared remote control to control the rotation of the motor or
the rotation of the servo. It is more intuitive to see the effect of the infrared remote control. The schematic
diagram of the infrared remote control is shown in Figure 14-3
.
Figure 14-1 Infrared receiver head physical map