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@lood29 That is correct, assuming the same radio technology is used. Typically, you set up a separate gateway because you want to run a sensor network on a different radio family due to longer distances or similar.

@Yoshu it is possible. When you have two gateways, the networks will be completely isolated so you can run one of them secured while the other is not.
You might need to distinguish the nodes on in your controller by giving them static unique ID:s unless your controller ties the identifiers to each gateway or it might be difficult to determine which mysensors network a node belong to.

@chbarg In all honesty, I think ZigBee is much older than mySensors. It's a pretty old standard. But it was very expensive to use, but since Philips and Ikea used it in their smart lightning it has become very cheap. Zigbee is used in commercial products, whereas my Sensors is just a nice and - more reliable - option for those who like to build their own stuff. I say more reliable, because the Ikea stuff I use is not always available. At least I have troubles with it. Also the batteries in the remotes drain really fast. Specially when attached to the gateway and night directly to a device

@feanor-anglin it really looks very interesting to me. And if I'd renovate my house or bought a new house. I'd go for wired for sure. I'm running my sensors with NRF24L01+ for over 7 years now. And I actually didn't notice any problem. It's very reliable, but I admit the radio is very picky on it's power. Most problems I ran into where all power related.

Why I've been absent for a long time has several personal reasons. I needed to finish a study I was following next to my job. And after I finished it I had some health issues. And when I decided to get back into it. My dad passed away. We're now cleaning out his workshop, he earned his living as an electronics repair man. I'm keeping the stuff I can use, like the Fluke meters - although they are 20 years old they still work good - his lab power supply and stuff like that. It's also to moment to redo my own workshop. Because the organization was completely lost. I ordered a lot of parts the last years but never took the time to store them.

So hopefully this will al be done and I can finally finish some of the projects that are laying on my desk for years

@monte We must have a conversation in a chat or something. to me Ikea is not usable at all. Usable meaning effictive, efficient and looking good.

@monte As a UX designer I dare to differ. HA anno 2021 is overly complicated. No one needs to know how to wire a light fixture. You just change the light bulb when it's broken. Or if in some cases hire an electrician.

I believe I can design things much much simpler. And make it usable.

@NeverDie I'm actually looking for a team backend and frontend to help me reinvent home automation. And give it back to all people, not only the technical ones. I've done quiet a lot of pocs to test me ideas. Preferably Python back end, so I can do some help in coding xd

Current HA systems are difficult. In comparison to the real world, it means that when you want to change a light bulb, you have to completely rewire the fixture in which the lightbulb you wanted to replace was in.

I think it's too complicated ^^

To me it is a lack of time. Still have tons of projects not finished. Right now really focused more on making the whole eco system Usable. As far as I can tell not one single HA system is usable for a mere mortal. It's either centered around a mobile phone, which is a no-no for me. It's not reliable in terms of battery can be low while you want to turn something on or off and the screen is too small for eco systems that cover an entire house. And when they're not centered around a mobile phone everything is glued together with scripts. It's all too complicated. I think I can make it more simple xd

@Thomas433 The 5V version can run on 16Mhz the 3.3V max is 8Mhz. This will infect the amount of traffic it can handle. I use an Arduino Uno for at least 5 years and it never failed. An arduino Nano will also work. The nano and uno have a 3.3v regulator on board which makes powering the radio easier you don't need to add an power regulator. Not sure why you need the logic level converters though

I've been experimenting with PCB design the last few weeks. I'm currently using an Arduino Uno as my Gateway with everything mounted on a breadboard and dupont cables. As it doesn't have the waf factor I promised my better half to make a nice enclosure for it, but for that I had to create a shield. This one is for my NRF24L01+ network. My latest sensors all work on RFM96 with the MySensors Gateway. But as you can order it almost fully mounted I think it's a nice entrance level solution for those who want to start with MySensors without having all the problems I've seen on this forum. You simple mount the shield - maybe solder the radio - upload the code and you're got to go in 10 - 20 minutes.