pmod PIR and Pmod TMP2

[user1]

Hello,

I'm interested in purchasing pmod PIR and Pmod TMP2,
Are they good for projects with basys3?

[JColvin]

Hi @user1,

I'm not sure what your definition of good is, but the Pmod TMP2 should be a reasonable project; it powers up and starts converting temperature by default with the first two registers of embedded ADT7420 containing the two's compliment data. The catch is that Digilent doesn't have a reference example for the Pmod TMP2.

The Pmod PIR does have an existing example and is even easier to work with; you simply check the status of one of its pins to see if motion has been detected or not and can adjust the sensitivity with an on-board potentiometer. I suppose the catch with this module is that it takes 30 seconds of waiting before the on-board chips are ready and operational and I haven't personally used this Pmod to be able to vouch for its efficacy / range(cone) of vision usability. I seem to recall it working reasonably well when I helped product test it for the different "shell" shields over the sensor many years ago.

Let me know if you have any questions.

Thanks,
JColvin