A simple, small telephone made out of old components.

Hover over a component to highlight it in the part list.
Hook switch Headphone jack Resistor Bridge Rectifier Diode Capacitor Diode Resistor

Parts List

Component Origin
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


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.

Board Microphone