Mar 7, 2012 #1 G ghaudesh Newbie level 4 Joined Mar 7, 2012 Messages 6 Helped 0 Reputation 0 Reaction score 0 Trophy points 1,281 Activity points 1,316 I want to build a 2 phone intercom which can be used upto 1km using speaker of same phone to create ring on other side please help
I want to build a 2 phone intercom which can be used upto 1km using speaker of same phone to create ring on other side please help
Mar 7, 2012 #2 mister_rf Advanced Member level 5 Joined Feb 26, 2008 Messages 1,870 Helped 1,040 Reputation 2,088 Reaction score 953 Trophy points 1,393 Location Romania Activity points 11,515 See here similar project: http://www.instructables.com/id/Old-Phone-Intercom-Device/ ---------- Post added at 18:16 ---------- Previous post was at 18:12 ---------- http://www.diy-electronic-projects.com/p313-High-Quality-Intercom http://www.afiata.com/full-duplex-intercom-pcb-for-your-office-and-house/
See here similar project: http://www.instructables.com/id/Old-Phone-Intercom-Device/ ---------- Post added at 18:16 ---------- Previous post was at 18:12 ---------- http://www.diy-electronic-projects.com/p313-High-Quality-Intercom http://www.afiata.com/full-duplex-intercom-pcb-for-your-office-and-house/
Feb 8, 2014 #3 K kene.dozie Newbie level 3 Joined Feb 5, 2014 Messages 4 Helped 0 Reputation 0 Reaction score 0 Trophy points 1 Activity points 16 Does any one know how to design a door video intercom?