This power control from a 1968 Motorola manual shows how to use a contemporary diac as a zero-crossing detector. The SCR is of the type depending on the power of the load.
We found this circuit in a publication from the 1970s. The circuit has a logarithmic gain...
Atmel's ATmega 324PB microcontrollers available from Mouser Electronics are RISC-based...
The purpose of this circuit is to provide the distribution of analog video signals between several...