[ntp:questions] Trying to use Dimension 4 time keeper

John Hasler jhasler at newsguy.com
Tue Sep 24 14:53:50 UTC 2013


unruh writes:
> The Raspberry Pi specifically states that it is NOT 5V tolerant. 

The Pi GPIO pins have pullups.  Just use an open-collector driver.
-- 
John Hasler 
jhasler at newsguy.com
Dancing Horse Hill
Elmwood, WI USA



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