This interesting circuit for the RDA8851 allows you to obtain two volumes with a simple touch. The circuit is from an Electronics Now from December 1988. Note the amplifier voltages.
This dimmer for the 120 V (117 V) network was found in the magazine Electronics Now of August...
This circuit was found in a 1998 documentation. It consists of a timer with a 1-digit indicator for...
This circuit converts parallel signals for serial transmission and a speed that depends on the...