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"Note: users of eg Z-Way can find background noise in "Expert User Interface". " within which menu? where? In "Z-Wave Expert User Interface", menu "Analytics", item "Background Noise" For more information, see chapter "8 Troubleshoot the Z-Wave...

Can the Z-Uno report packet RSSI and possibly background noise RSSI? That might help to do some tests... I saw the Z-Uno debug setting has an option "Radio" but I haven't looked at it closely and I cannot test right now.

Thank you for your reply. I understand what you are saying, but the results with short extension cable are not as good as the test with the USB hub on my Lenovo. Also, I get excellent results on my MAC when UZB1 is plugged in with no extension cord at all and the macbook is a block of aluminium I th...

I think PoltoS is trying to say this: A Z-Uno always has a group 1 - you do not need to add or change any code. So on your controller, please navigate to the Z-Uno and find the button or menu to change associations. Then add the Spirit as a "single channel association" (not "multi&quo...

Hi! I recently wrote this on the Fibaro forum. It is about the range of a UZB1 <-> Wall Plug and especially the difference in range I get depending on how I power that UZB1. It might give you an idea of where to look. I think it has to do with noise on the power supply. But I am not sure... I am try...

So you are not talking about the Z-Uno.. .Anyway, the millis() counter is 32 bit on arduino and the likes, so you have it for free, and it can time differences up to about 50 days if I remember correctly. Google is your friend. Basically, in setup() you set a variable to millis() + (hours to time *3...

What datasheet are you looking at? The Z-Uno is based on a ZM5101 and according to the datasheet it has a 32 MHz Xtal based oscillator. (integrated).. But no RTC. So it has the accuracy of a XTAL but it has no hardware to support date/time. You seem to think it does not have an internal XTAL, would ...

Your problem finds confirmation (but no solution) here: https://forum.z-wave.me/viewtopic.php?f=3427&t=26015 This guy tried or tries to do "parity" by bit-banging and finds out... The Z-Uno runs faster or slower depending on its opwer supply: https://forum.z-wave.me/viewtopic.php?f=342...

We were typing at the same time.. UNO cannot do less than 9600 bps.

There is another topic about bit-banging... Give me a second...

Bitrate between 9600 and 115200?

Maybe try "coolterm" instead of putty?

If you connect the DB 9 to your computer, then do not connect TX and RX to Z-Uno UART (only 3V3 and GND) but connect the converter's RX to the converter's TX, does the terminal echo what you type?