A simple, small telephone made out of old components.


I saw this video by Electroboom:

I thought his idea was pretty cool but could be modified into a full telephone with a hook switch.

Parts List

Component Origin
Full Bridge Rectifier ATX Power Supply
Capacitor Unknown
Resistors Unknown
Diodes Desoldered from PCB
Audio Jack Broken LCD TV I bought from Vetco Electronics for $1.00
Switch Vetco Electronics grab bag.
Cardboard Cardboard box
Board Microphone