phase controlled ac bulb dimmer problem… | Microcontroller › 8051 › phase controlled ac bulb dimmer problem… This topic has 0 replies, 1 voice, and was last updated 11 years ago by attiq. Viewing 1 post (of 1 total) Author Posts March 30, 2012 at 12:27 pm #1716 attiqParticipant i have to design a circuit that will control the temperature of small box with 100 watt bulb in it and he intensity of the bulb should be varied so that temperature remains constant…. i dont know what kind of scr or optisolaters should i use? Author Posts Viewing 1 post (of 1 total) You must be logged in to reply to this topic. Log In Username: Password: Keep me signed in Log In