PC address decoder (CB20536E)

This TTL decoder circuit for PC ports was found in a document from 1992. The power supply can be PC's own circuit.

Module Intel Curie (COM069E)
August 2016 - It can be obtained from Mouser Electronics, Modules Intel Curie low power containing...
Intercom with telephone (CB7829E)
Old phones with dials can be used in a simple home intercom system, as this circuit from Popular...
Molex Sealed Industrial USB Solutions
Molex Sealed Industrial USB Solutions achieve superior signal integrity in harsh factory and...