Hello Rob,
Seth here. I am located in the states. There is a big fault and I am not
clued in, obviously. How is F == C? I figured that there would be a part to
the software, the section that displays the difference, that tells me/you
the C and F reads.
Seth
P.S. I am in about an 80 degree temp. right now. So, do I need to replace
"reading.value" with an actual numerical value? I will keep trying.
On Thursday, June 29, 2017 at 8:06:01 PM UTC-5, RobertCNelson wrote:
>
>
>
> On Thu, Jun 29, 2017 at 7:46 PM, Mala Dies <fun...@gmail.com <javascript:>
> > wrote:
>
>> var b = require('bonescript');
>>
>> function readTemp() {
>> b.analogRead('P9_39', displayTemp);
>> }
>>
>> function displayTemp(reading) {
>> var millivolts = reading.value * 1800;
>> var tempC = (millivolts - 500) / 10;
>> var tempF = (tempC * 9/5) + 32
>> console.log("TempC = " + tempC + "\t Temp F = " + tempF);
>> }
>>
>> setInterval(readTemp, 100000);
>>
>> Okay...
>>
>> This is my software from "Programming the BeagleBone Black" in the
>> "hardware interfacing" section. I am messing with a TMP36 sensor for analog
>> temp. reads.
>>
>> The issue is this:
>>
>> I keep getting a similar read for my C and F reads. I should be able to
>> get the F read but unfortunately, I get the same as the C read.
>>
>> Seth
>>
>>
>> <https://lh3.googleusercontent.com/-6uATaSztQgs/WVWfRwRFJNI/AAAAAAAAJy0/i2WaNX-KV9QkFnW1PE958ZyFCugDxQeaACLcBGAs/s1600/forBBBfiles.JPG>
>> P.S. Try your TMP36 sensor and this software and get back to me. I would
>> love to know about the value(s) I am creating and why they are returning
>> the listed read(s). Oh and here is a photo. See!
>>
>
>
> You must live near the equator... ;)
>
> -40F == -40C
>
> This is something norther folk in America & Canada run into every once in
> awhile in January...
>
> Regards,
>
> --
> Robert Nelson
> https://rcn-ee.com/
>
--
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