This circuit was found in the Linear Applications Handbook of the National Semiconductor of 1994. Some of the components used are not easy to obtain, but equivalents can be used.
This dual control was based on Texas Instruments documentation for the CD4050. The circuit has two...
This flasher circuit was found in Radio Electronics from the 90s. The circuit must be powered by a...
This circuit is from 1968 documentation. We can assemble it with more modern components such as a...