[SML] Telephone line simulator

[George Davidson]

I made a ringer using a Arduino and a PowerDSine PCR chip module thing, it
was pretty simple and worked well, PIR sensor triggered the ringer and when
you picked up it played one of 5 messages

the only issue with the module is it only seems to be stocked in Israel and
takes 2-3 weeks to arrive, other than that, was very simple and reliable

i would prefer DMX over midi or USB for remote triggering, maybe a wifi
module with SACN or artnet

George
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