This circuit was taken from a Popular Electronics from the 90's. The power step can be changed to operate with the most powerful LEDs available today.
This circuit is from 2002 documentation, requiring a symmetrical source of 6 to 12 V. The signal...
This circuit is from Linear Technology 2005 documentation. The circuit is based on company...
This power supply that can supply current according to the LEC is suitable for small projects. The LED...