This dimmer for the 120 V (117 V) network was found in the magazine Electronics Now of August 1995. The triac is according to the load that must be ohmic.
In this circuit we have the way to use common diodes to obtain low regulated voltages in a single...
Linear Technology (www.linear.com) has in its component line the LT3518, recently launched, which...
This circuit is from a 1998 Poptronics. The circuit triggers a buzzer after a certain time, waking...