[SMCARA] Digital Thermometer

[Daniel Metcalf]

I mis-spoke that is a 1K ohm resister. In the photo.

HAVE FUN!


On Sun, Mar 16, 2014 at 1:41 PM, Daniel Metcalf <kb3uun at gmail.com> wrote:

> I needed a way to see what was happening in some code I was writing for a
> processor because it just wasn't doing what I expected it to do. So from a
> display from my Arduino parts collection, a variable resister, a 100 ohm
> resister, a tmp36 temperature sensor and a PIC18F25K22 processor is born a
> digital thermometer. It now serves it's true purpose but this was a quick
> test.
>
> See photo:
> https://www.dropbox.com/s/zgmzofir50xpv12/IMG_20140314_225001_772.jpg
>
> Adding a shift register to control the display would free up additional IO
> to add other sensors such as humidity sensor, wind speed sensor, and a rain
> fall measurement sensor you now have a very inexpensive weather station.
> Add a beagle bone black or a raspberry pi and now you have a network based
> weather station that could be accessed via the web. Of course there is a
> touch of software writing involved.
>
> Have Fun!
>
> --
> Dan Metcalf -- KB3UUN
> c. 301 769 1111
>



-- 
Dan Metcalf -- KB3UUN
c. 301 769 1111