Answer / virendra

Most important part is triac

Answer / meenakshi

in the electronic fan regulator,the three main parts are
diac,triac and a potentiometric resistance for the stepless
control of fan speed.basically this type is for energy
saving purpose.

Dear sirs, pls check this 4-20ma to RS485 module datasheet,pls guve me some suggestions. http://www.szsunyuan.com/sy/pro_more.asp?Productid=539 Thanks. E-mail:yunianjiang99@gmail.com

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