indeed .In order to implement the phase angle control for same point in each cycle the same trigger (crossover point) has to be known.
Max.
the peak V for the Gate on a BT137 Triac is 5v do you think for optimal operation i should saturate this gate?
removing the opto from the equation i have 4.4v~ going to it presently from the junction Vcc from output (pin3)
i'm yet to check the freq though my basic scope as i'm salvaging a cap that will fit the order. (exciting times)