So who can you buy from?reza wrote: thank you friends for help me . but if you can , please help me to found my questions.
i can not buy from ebay and aliexpress and etc for some reason. so i have to build my nodes and devices.
until now i use mysensors for some relay and sensors. but mysensors have some problem for me and i can not resolve . for example in communication. sometime devices dont work and connection was lost and i have to reset devices or gateway. now there is not this problem with esp ? when a esp device connect to network so there is not "connect and disconnect" some time ? when network is busy and use more devices so there is collision and lost packet ? if a packet was lost , for example send command for turn on relay A and command is lost , what happen ? there is a feedback and ack until i understand relay could not turn on ?
for repeater and extend can i use "usual wifi repeater" that i use in wifi network for extend ?
for a star network (espeasy is star ?!) we have more collision!? is that true ?
also about espeasy, we can not change code and sketch. for example i want use two relay in one node for a simple roller shutter. this simple code:
Amazon carries also
https://www.amazon.com/WEMOS-Pro-16-esp ... ini+d1+pro
Oh, I do need to warn you about the pro. The only way I could program the pro was to download the Arduino IDE, tweak it a bit (per instructions from ESPEasy), and the use that to program it. Doing that, it worked fine.
You can't make this stuff, you have to buy it from somewhere.
There are many versions of the ESP boards out there, but I have used the Wemos stuff and I like it because its easy to work with, and cost is good for what you get.
I looked into mysensors, but never used it, so I can't talk to the reliability of that solution.
And I've only been using ESP and ESPEasy for a couple weeks, so it's kind of early to say. It appears to be reliable.
If you want feedback, you could wire up an input to each output, to know for sure it worked. Otherwise, I'm not sure how reliable it is for turning on and off. So far, it works for me. I think wifi has some built in error checking and resending of packets, but I'm far from a wifi expert.
Yes, this uses standard wifi, so a standard wifi extender could be used to boost the signal if you need it. So far, I haven't had to do anything to get reception.
I'm not sure if wifi is star or not, I don't think collision is a problem, otherwise you'd have lots of wifi packets lost, and much bigger problems. Literally billions of people use wifi all the time these days, seems pretty reliable overall lol.
ESPEasy does support "rules", which allows limited customization/programming. You could also go in and modify it yourself, but not recommended.
I'm finding between Domoticz/LUA and ESPEasy, I can probably do whatever I want.
Randy