how to make Stair lighting timer

S

shero2010

New Member

• Jul 29, 2012

• #1

hi,
i want to make Stair lighting timer using pic.. but i face an problem to how connect ac switch with pic

please help me

 

T

tronitech

Active Member

• Jul 29, 2012

• #2

You need isolation so either use a relay or a triac controlled via an opto-coupler.

 

Iawia

Member

• Aug 1, 2012

• #3

yes i agree with tronitech, use a solid state relay for separation.