What Not correct ? All I meant is well the whole purpose of ascertaining the zero crossing is to know when to cut the phase. That's it. Its different that you need to wait a bit to generate the desired dimming. I do that a lot of time with my andRHOME device.
About the amperage Thanks & Regards, Nishant ------------------- Sent from My Android (humongous NOTE-II) On 9 Jan 2014 17:31, "Arthur Marxer" <[email protected]> wrote: > "cut the phase at zero crossing" is not quiet correct. I have to detect > the zero crossing, then wait for a certain amount of time and then execute > the trigger pulse. The triac will close the circuit and the "rest" of the > wave will flow through the bulb. The triac will open the circuit again at > the next zero crossing. The amount of "wait time" determines the lightness. > > Triacs are made for this purpose and 4 amps is not a lot for a triac (e.g. > the BT137 supports 8 amps). I also plan not to use one single "channel" but > 10 channels or more. > > > 2014/1/9 n <[email protected]> > >> Arthur, >> >> For dimming ac you need to cut the phase at zero crossing For that you >> need to use a opto driver like the 4n35 to ascertain the ac voltage wave >> and then drive the triacs through opto triac drivers. >> The coding is very easy if one understands the concept basics. >> >> For dimming 1000watts it would be a whole lot of amperage 1000/230vac >> gives you A bit less than 4 amps >> >> -- >> You received this message because you are subscribed to a topic in the >> Google Groups "ioio-users" group. >> To unsubscribe from this topic, visit >> https://groups.google.com/d/topic/ioio-users/s_NY9im_SVY/unsubscribe. >> To unsubscribe from this group and all its topics, send an email to >> [email protected]. >> To post to this group, send email to [email protected]. >> Visit this group at http://groups.google.com/group/ioio-users. >> For more options, visit https://groups.google.com/groups/opt_out. >> > > > > -- > *Arthur Marxer* > Dipl. Informatik Ing. ETH > > *NetCat AG* > Hub 26 > 9492 Eschen > Liechtenstein > > Mobile: +41 78 803 68 87 > Business: +423 232 73 37 > > [email protected] > www.netcat.li > > -- > You received this message because you are subscribed to a topic in the > Google Groups "ioio-users" group. > To unsubscribe from this topic, visit > https://groups.google.com/d/topic/ioio-users/s_NY9im_SVY/unsubscribe. > To unsubscribe from this group and all its topics, send an email to > [email protected]. > To post to this group, send email to [email protected]. > Visit this group at http://groups.google.com/group/ioio-users. > For more options, visit https://groups.google.com/groups/opt_out. > -- You received this message because you are subscribed to the Google Groups "ioio-users" group. To unsubscribe from this group and stop receiving emails from it, send an email to [email protected]. To post to this group, send email to [email protected]. Visit this group at http://groups.google.com/group/ioio-users. For more options, visit https://groups.google.com/groups/opt_out.
