"STM32. Net MF Development Board Learning-14" Infrared Remote control code recognition

A year ago I wrote a blog post "Homemade computer infrared Remote control Receiver (PC soft decoding)", this article introduces the use of a few simple devices through the PC serial port, to obtain the key information of infrared remote control. Now we have learned how to use PWM technology to drive a smart car (see "With the PWM Drive Smart car"), just missing a remote control mechanism, so this article first describes, the. NET Micro Framework Development Board how to obtain infrared remote control information, The next article will introduce the details of how to drive a smart car with a remote control.

This time our infrared receiver of the hardware circuit is simpler, only need infrared receiver head, two resistors, a capacitor can, its schematic diagram is as follows:

The specific device models I have chosen are as follows:

1, 100 European resistors

2, 18K European resistance

3, Capacitor (0.1uF)

4. hs0038a IR receiving head

5, Voltage Access 3.3v

The actual device connection diagram is as follows: