Pmod LVLSHFT: Logic Level Shifter problem

[JT2]

We are using the Pmod LVLSHFT to translate signals from 5v on the B side to 3.3v on the A side.

Five out of the 7 signals we are translating are being passed correctly, but the signals on IO4 and IO5 are not making it through. All the signals are disconnected and floating on the A side, and IO1,2,3,6,7 are working correctly. Same results with two different modules.

Any thoughts on what might be wrong?

[jpeyron]

Hi @JT2,

1) Are you checking the signals connected to IO4 and IO5 before the Pmod LVSHFT ?

2) Can you include a picture of your wiring set up?

3) can you describe the project a little more. 

thank you,

Jon

[JT2]

Thanks for the assistance....this is resolved.

We had one broken pmod board, and also had measurement errors while trying to look at the two problematic signals.

 

 

[jpeyron]

Hi @JT2,

Glad to hear you were able to resolve the issues. Thank you for sharing what they were.

cheers,

Jon