Found in 1969 RCA documentation, this dimmer uses a dual time constant setting to achieve better control of the triac's trigger point.
We found this circuit in an old documentation. It can be elaborated based on modern components. The...
The frequency of a XTAL (up to 1 MHz) can be divided by powers of 2 up to 16,384 using the CMOS IC...
This circuit was found in a Popular Electronics from the 90s. The circuit uses general purpose...