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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") to group 1 and t...

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=3427&t=26145 This...

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?

Since you say sou want to interface a PIC with that SoC, I'd say you kind of regard the ZM SoC like it is a merely some kind of transceiver. Z-Wave is actually controller, transceiver, radio, SDK, standard for messaging, standard for commands and sensors and much more... You can have good reasons to...

I can't help you with that ZM5304 because it uses a "serial interface protocol" and I have not read the docs in-depth (see ""Serial API Host Appl. Prg. Guide"". It is totally unlike the Z-Uno... It does not look like "building a device with the SDK either". I think it is mostly used by controller so...

Oh... Xon/Xoff protocol? Or maybe no handshake at all? Plausible.

I'm sorry to hear about those fried pins... Yeah... 1 k resistors...

A tiny (clone) logic analyzer might come in handy right now.