Recent content by CallRET

any update on adding the DS2438

How should a subroutine exit if not with a RET?  Are the examples in the manual wrong?   Re: reset While unborking a stack is a valid reason, i simply was looking for a quick exit to save time and lines of code.

Is there a short cut to empty the call stack and exit and restart the program?

Q5 Does GOTO START empty the call stack?

This is kinda common on forums.  Someone makes a thread with a list of questions and starts a Question Number.  If you have an answer, you make a post quoting the question number and the question, and post an answer.   For example   Q1 What is a label? From page 22 in the PLC manual   Both GOTO...

Did you look at the examples in the manual?   Do you understand that when the program ends in PLC, it just starts over again?  It is like the undead, in that it never dies?   oops apparently you do ...

TJF1960   Could this be a power issue?  What power supply do you have?  Is it possible  the building is losing power for a short time and the board is dropping out?  Possible the regulator is getting to hot and dropping out?

This might explain better? http://owfs.org/uploads/File/humsensor.pdf   As az1234 points out, you can just add the DS2438 and the Voltage.  Perhaps that will fit your data structure?  Perhaps convert the voltage to Relative Humidity or just the raw Voltage, like the C or F reporting option for...

Ya, i eventually caught up with what all they cool kids are talking about.    It seems some of the cool kids are actually using the H4000 (or h5000) behind the DS2438 in some cases,  Ya you lose curve fitting, but still.  And one can use more accurate sensors if one wanted, or cheaper sensors.  ...

az1234;   If the "DS2438 humidity sensor" is a commodity item, and CAI already does one wire support in firmware, then perhaps that is the path of least resistance.   Google could not find a vendor for such a device.  Do you have a link?  I found all the people hooking the humidity sensors to...

You might consider adding such a note on your ordering page.  It is literally cheaper to order 7 individually shipped boards than to use the parcel shipping.   Its like a tax on people who are bad at sums.

http://webcontrol.rossw.net/  for the reader.

Who is the 'them' you are referring to?  The sensor makers?   DS2438 is a Smart Battery Monitor.  How does that help with a Temp Humidity sensor? Couldn't CAI just switch to some other protocol instead of the closed proprietary 1-wire one?

It has been stated in many places that it is not one wire addressable, as az1324 stated.  I was confused and in error on this.   have you looked at the SHT1x sensors?  http://www.sensirion.com/fileadmin/user_upload/customers/sensirion/Dokumente/Humidity/Sensirion_Humidity_SHT1x_Datasheet_V5.pdf

So what would you recommend to add multiple humidity sensors to the WC?