How to control several roller shutters with inexpensive relay boards (not ruining them) with physical buttons and remotely simultaneously.
Project tutorial by gomecin
Never run out of liquid laundry detergent again with this Amazon DRS enabled liquid laundry detergent sensor, a.k.a. LaundryBot.
Project tutorial by ArtSuzhou
Build a 4-button arcade game out of LEGO.
Project tutorial by LenkaDesign
Thank you so much, I think it can be very useful. I will include your image in the tutorial if you don't mind.
Efetively. In fact I directly soldered the MOVs to the SSR board, just to the connector pins.
In this case, is not needed to put the Snubber to neutral, because in the case of a blind motor, both lines, grey and brown, are communicated inside the motor, (both coils are connected to neutral inside) hence letting a path to the current to flow. This is equivalent with the triac open as a loop with the RC and the motor coils. So, I was wrong with my previous comment, sorry; now I wonder, what does the motor open when it reaches the limit. :?
You are right, that in the triac datasheet they say it has a built-in RC Snubber circuit, I read it time ago, but I don't remember any description about its rating and values. One thing is clear, in that space they cannot allocate the same big capacitor needed for this application, so I believe, that Snubber shall be very modest, and anyways, all this tutorial came do to the fact, that the triacs were dying by overvoltage and the external Snubber network was the solution.
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