Model development, the development board connected with the infrared sensor, development board after receiving the infrared alarm buzzer sounded, embedded development board is day tq2440, infrared sensor is hc - sr501, urgent urgent!!!!!

CodePudding user response:

see chip manual can solve

CodePudding user response:

reference 1st floor AHTY response:

see chip manual can solve

Don't know, infrared alarm code.

CodePudding user response:

refer to the second floor qq_42528104 response:

Quote: refer to 1st floor AHTY response:

see chip manual can solve

Ah, don't know the infrared alarm code,

code?
Infrared manual
https://wenku.baidu.com/view/b059e7fb80eb6294dd886c71.html
you directly put it as a normal IO mouth also well received S3C2440 area F port is used as a general IO,
Traps can output high level

CodePudding user response:

A microcontroller IO to do out of the input module, detect low level, let the buzzer rang can

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