On 02/27/2020 12:23 PM, Dave Liquorice wrote:
> On Thu, 27 Feb 2020 09:08:45 -0400, Gregg Somes wrote:
>
>> Hi, I am trying to use a  2 lead thermistror (not a temp/humidity
>> sensor) with RPi 3B+.  Is it possible to wire this without a breadboad?
>
> Pi's don't have any analog to digital convertors. The simplest
> solution is most likely to be a 1-Wire temperature sensor:
>
> https://datasheets.maximintegrated.com/en/ds/DS18B20.pdf
>
> Plenty of code out there to work with them (and many of the other
> 1-Wire devices).
>

One wire?
BULL! I quote the referenced pdf "... one data line (and ground)".
And as a PRACTICAL point you need another wire to power the device.
That makes it a *THREE* wire device.

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