If you go "future" and will dimm LED lights, then use a PWM dimmer like this one:
http://www.digitallighting.com/animationfolder/PWM%20Dimmer%20repeater.htm

Found this informative video about incandescent vs. LED dimming
https://www.youtube.com/watch?v=fWh2obSY0dQ

On 2017년 09월 19일 00:07, Max wrote:

What kind of load do you need? The Krida you linked to one has 2A per channel.
http://www.inmojo.com/store/krida-electronics/item/8-channel-ac-light-dimmer-module-arduino/

If you need more, this one has 4A per channel, but you need two of it to reach 7 channels. More expensive, but no high voltage work required.
https://www.thomann.de/de/botex_mpx405v.htm


On 2017년 09월 18일 22:26, Csaba Láng wrote:

what do you think about this board?
https://www.turkisharearugs.com/8-channel-ac-programmable-light-dimmer-module-controller-board-arduino-raspberry-compatible-5060hz

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