View Single Post
Old 24th Aug 2022, 8:21 pm   #1
OscarFoxtrot
Heptode
 
OscarFoxtrot's Avatar
 
Join Date: Apr 2011
Location: Edinburgh, UK.
Posts: 805
Default Practical Electronics mag - Telephone exchange project

Practical Electronics should be publishing design for a mini telephone exchange for using old phones as intercoms in the next - October? - issue.
OscarFoxtrot is offline