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@alphaomega: yes, I am on that path. I have implemented PID library to control timings, that part works ok. At first during test it was connected to mechanical relay, and that works fine. Yesterday I replaced mechanical relay wit SSR, but it seams that Arduino output from digital pin is...

I was refering to SSVR (Solid State Voltage Regulator) as suggested by rudylyon57. As I can see, for this type, on controll side I need resistor. For example Control 2W 470-560K Ohm...

With SSVR I will have same problem of controling it via Arduino analog output pins (0-5V), bacuse as I can see SSVR needs resistor on command side. It's same problem as controlling dimmer circuit via Arduino. This guy solved it via "home-made" optocoupler...

Thank's for answer DougEdey. I'm 99% convinced that I will have to make room for SSR with heat sink. However, still looking around and found something like digital dimmer on ebay...

I have brew kettle with 2 kW heating element. After achieving desired temperature I need to reduce power of heating element. Manually it works with SCR voltage regulator like this one: http://www.ebay.com/itm/2000W-220V-A...item4d15604ffb My SCR voltage regulator from link above has...

@BigBlock: tnx for idea, but still looking other solutions @doug293cz: don't worry about me getting electrocuted, I know enough about electricity, but electronics is new topic for me, and I do not know all options I have for some single problems .. My SCR voltage regulator from link above has...

I have brew kettle with 2 kW heating element. After achieving desired temperature I need to reduce power of heating element. I suppose that is possible manually with SCR voltage regulator like this one...