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 appears in several versions in publications of the time and can be modified by...
This interesting circuit of the American publication Electronics Handbook Volume XIII 1993 shows a...
This simple SCR alarm circuit was found in an old Poptronics, but can be easily assembled as all...