This interesting circuit for SMD assembly appeared in the November 1987 issue of Radio Electronics magazine. The phonons are generated by selected resistors that are fitted to the assembly.
This simple circuit, based on an astounding 555, was found in a 2001 documentation. The circuit...
This circuit generates sinusoidal signals that depend on the input oscillator. The circuit is from...
This is one of many power control or dimmer configurations that we have found on this site and in...