Hi all… Any1 Knows about Physiotherapy laser equipment. Here i desingng that. I want to interface Laser diode driver circuit with PIC Mc. Is there any special laser diode for Physiotherapy. Any Spl Driver circuit? Bcas usually machines are like to vary Power of laser diode. Is it possible to Adjust Power Of laser diode using Driver Cricuit? & abt Dosage Calculation? Thanks in Advance