This circuit was found in Intersil's documentation from the 70's, being indicated for powering operational amplifiers. The circuit divides the voltage from a single source.
This circuit was found in a 1970 Philips documentation. The components are from the time, and...
This circuit uses two sensors that are placed at the intersection of a miniature railway, causing...
This application is not modern since few computers have parallel ports. But you can use this...