Found in 1969 RCA documentation, this dimmer uses a dual time constant setting to achieve better control of the triac's trigger point.
Using a 4046 PLL this circuit was obtained from the October 1994 issue of Electronics Now...
Using the 4001 integrated circuit, this latching relay can employ any general-purpose transistor. The...
Found in an American publication from 1968, this circuit can be made based on a TIP42 that must be...