Help to check my sch design of DIY project

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About the freq, for pb2 the max data speed is 5000hz,and the actual set is more than 7000hz , for pa4,the max data speed is 833hz,and the set is more than 2000hz, that is enough?

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Are you not reading the comments?  Why is there 1.5uF on the data line???!!?

 

In the data sheet ,it said tsop is insentive to power voltage ripples and noise.    All those support my thought: don’t add other parts for TSOP.

Please take another look---You are not reading datasheet properly; for the electrical supply, it clearly states :    R1 and C1 recommended to suppress power supply disturbances.  

When in the dark remember-the future looks brighter than ever.   I look forward to being able to predict the future!

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will delete it later

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