The circuit shown in the figure can be used on a data transfer bus using an appropriate family integrated. The circuit is TTL technology and must be powered from a 5 V supply.
This circuit was taken from a Popular Electronics from the 1990s. The circuit triggers a relay that...
This circuit is intended to trigger an auxiliary flash with a xenon lamp as it is still used by...
This bargraph-type circuit employs a not very common integrated circuit today, but can be adapted...