Lots of things you could do with it, But thats what I think
http://www.metacafe.com/watch/2320166/free_phone_line_power_led_light/
http://www.wired.com/gadgetlab/2009/11/sweet-revenge-phone-jack-powered-lamp-rips-off-telcos/
Be Well
Tinker :)
LOL
my devices could run off thease systems ...
but why ...
ill just charge them in the lab b4 they go out... ;)
the end user just turns it on and off and it just works ...
peace!
ist!
we may well go so far to automate them so the user control need not be required ... throw in a GUI and hardwire or wirless link for montoring
who knows i open sourced this ... it will be used im sure
usually the phone jack has anywhere between 45 and 85 volts but is in the millivolt range, LEDS would work but I think the phone company might gripe about using their band width to power your lights. lol.
Quote from: onthecuttingedge2005 on November 10, 2009, 04:57:19 PM
usually the phone jack has anywhere between 45 and 85 volts but is in the millivolt range, LEDS would work but I think the phone company might gripe about using their band width to power your lights. lol.
correction:
usually the phone jack has anywhere between 45 and 85 volts but is in the 'milliamp' range, LEDS would work but I think the phone company might gripe about using their band width to power your lights.
When I was a kid I used to run a cassete recorder motor off the phone line for a nice cooling fan in the summer, it really must have pulled the line down lol.
That was back in the days of all analog exchange and I also messed with a "blue box" DTMF genny, phreaking great days!
http://en.wikipedia.org/wiki/Blue_box_(phreaking)