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 on: June 27, 2022, 07:48:27 PM 
Started by Marauder2003 - Last post by Marauder2003
Why does Android app require location, camera, contacts, phone and files/media?

I noticed just today that the blue light on my WM100 is blinking a lot during times when there are no timers scheduled. Any idea why?

 on: June 26, 2022, 11:46:43 PM 
Started by IPS - Last post by brobin
Well that's bizarre!  Try rebooting bot the P2 & the PLM and try it again.

 on: June 26, 2022, 07:52:42 PM 
Started by IPS - Last post by SkipWX10
New issue for me...

Trying to add an X10 appliance module to Smartenit so I can have Alexa integration for control of a fountain pump. I've used the module for years every summer with a TM751 and slim switch by the door. Hoping to have Alexa remove the TM751 and switch from the loop.

In Smartenit, I go to add device, choose X10 appliance module and get "Interface Needed! Your gateway does not have a X-10 interface"

Well, I do have the PLM which is online and working perfectly. All commands in Smartenit to control registered devices work fine. Alexa control of all X10 devices registered in the Harmony works fine.

Any help appreciated, thanks

 on: June 25, 2022, 02:48:45 PM 
Started by Brian H - Last post by brobin
Sounds like you've got a winner.  I just did some testing and found that as long as there's a 1 second delay between tapping the device on the phone it was 100% responsive.  With less than a second between taps it was about 50/50.  FWIW, I'm using a Galaxy Z Flip 3 running Android 12.  Maybe that's due to latency between the app, the AWS server and the Harmony?

 on: June 25, 2022, 02:13:38 PM 
Started by Brian H - Last post by JeffVolp
While waiting for the alternate USB to serial port converters, I adjusted the XTB-XM baud rate to 18.88K.  Now it appears to be rock solid with the Harmony.  The Harmony itself is not as rock solid as it often ignores the cellphone tap that toggles the ON/OFF command.

So...  I will be able to update an existing XTB-232 to the XTB-XM or build remaining XTB-232 PCBs as XTB-XMs.


 on: June 23, 2022, 12:36:22 PM 
Started by Brian H - Last post by brobin
It's been awhile since I've shopped for one but I know that the Sabrent with a Prolific chipset works best with the Stargate at 19.2.  Others had problems.

 on: June 23, 2022, 12:27:02 PM 
Started by Brian H - Last post by JeffVolp
I think I've tracked down the remaining problem.  Using the XTBM to monitor what the XTB-XM was actually transmitting showed it sometimes sending P11 instead of P1.  The data patterns are similar but P1 has a string of 3 zeros, P11 has a string of 4 zeros.  Hmmm...

So I measured the length of the USB to serial converter transmission, and converted that to baud rate.  It was sending at 18.62K instead of 19.2K.  A similar measurement on the serial output from the PC was 19.0K.  So the errors may be due to the USB to serial converter baud rate being off.  Unfortunately, that's the only USB to serial converter I have, so this will go on hold until I can get another one.

(Staples doesn't have local stock, and the one they list for $26 is $6 on eBay with free shipping.)


 on: June 23, 2022, 12:16:29 AM 
Started by Brian H - Last post by brobin
That's great news! It'll be good to have an alternative to the now rare & expensive PLM.

 on: June 22, 2022, 09:52:25 PM 
Started by Brian H - Last post by JeffVolp

As expected, the Harmony sends the Get Version command to determine whether the IM is connected.  That and the Reset command are the two non-X10 commands that the XTB-XM supports.

Unfortunately, the mod is not as simple as a firmware swap.  While the XTB-XM responded to the Get Version command sent directly from the computer, it indicated an error when receiving the command from the Harmony through a USB to serial converter.  Apparently the "1" is a bit shorter coming from the USB converter than directly from the computer.

The XTB-IIR serial port was designed for the CM11A, which runs at 4800 baud.  The Harmony runs at 19200 baud, so opto-isolator speed is more important.  Reducing the value of the pull-up resistor on the opto-isolator output improves the waveform fidelity.  So this would have to be a "factory mod" when converting existing XTB-232s.

After that mod the XTB-XM responds to most commands.  There is still an occasional receiving error and sometimes the Harmony misses the acknowledgement.  So more work is required to get this rock solid.  But this will be an alternate to the IM for X10 systems.

Faster opto-isolators will be used in a newly produced XTB-XM for 19200 baud.


 on: June 20, 2022, 12:38:32 AM 
Started by JeffVolp - Last post by brobin
Sad indeed.  After well over 20 years, the Stargate is still the heart of my HA system and just keeps on ticking.

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