D 2012-12-02T22:40:36.214
L P2Dgizmo
P f99c6b9828cc94a29dbd0888f7abd178363c4d5e
U jfk
W 356
About
P2Dgizmo stands for Pulse to DTMF gizmo.
It is a device which teaches a Plain Old Telephone to "sing" modern DTMF.
[Notes] -:- [Software]
Schematics
(Click on the image below to get a bigger picture)
Z e83f5a125c21289770260eba93ecc144