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Beware.

The connectors you are illustrating there are _not_ the IP rated version of the M12 connector. The IP rated versions have glands around the cables, not the metal cases and clamps you are sh ...

Thanks for your suggestions.

This was to try a rather old design idea (temtronic you might know) before RS422 and RS485 transceivers existed. I was surprised it rather actually work pretty well.
...

Thanks... found out a nice built-in option with the #use rs232 directive.

Float_High is exactly what I was looking for. Works on soft and hardware serial.

Hi,

I would like to know if there is a way to know if the software serial / hardware serial has finished transmitting?

I would like to make the PIC* TX pin switch to high impedance once finished ...

I understand clearly guys but in-soil application 1 ft deep underground (don't forget soil is corrosive) makes it harder to find a liquid-tight 8PC8 connector. Also CAT5E for direct burial cable with ...

Not for the speeds you'll be utilizing.

Thanks alot!!!

example:

int32 x = 80000;

What print format shold I use ?

printf ("value of x is:\r\n%?",x);

printf("value of x is:%ld",x);

Next time search the manual ...

Well, he does have to somehow connect the big, clunky XLR cables !
Details...it's always those pesky 'little things' that have to be worked out.
For me, I'd build a cable to sensor 'interface' PCB s ...

Have you looked at the Tindie I2C soil moisture sensor (www.tindie.com)?

http://msn.elcouz.net/soil_sensor.jpg

Most likely going this route. But even simpler than that, he left the AVR ICSP acc ...

Hi -

I just saw this thread and thought I'd chime in with my $0.02 worth...

Have you looked at the Tindie I2C soil moisture sensor (www.tindie.com)? It is also a capacitive soil moisture sensor ...

Alright got it! Smile

Thanks for the help.

Have a nice week-end guys!

Just to be sure we are on the same page...

You are asking for op-amps because impedance will be high?

http://msn.elcouz.net/op_amp_app.png

I checked in my junk box, I have a bunch of LM358 in ...

I really like all the ideas but like temtronic said I purchased the already made sensors to offset the R&D stuff.

I just have to concentrate on the reading part. I wish I could have done electr ...

Thanks guys for all your ideas!

CANBUS is overkill so is RS485 IMO. I will test the reading at 10M and compare.

Olympic Average is really something I was looking for! Thanks!

The dsPIC30F60 ...

Hi there it's been awhile Smile

,

I have on hand this little capacitive soil sensor.

--->>>>https://www.dfrobot.com/wiki/index.php/Capacitive_Soil_Moisture_Sensor_SKU:SEN0193

Unfortu ...