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+--- Thread: rf key fobs (/showthread.php?tid=28825)
rf key fobs - pug306driver - 20-01-2015
rf key fobs......is there an easy way of testing these units like pointing at a radio and pressing the buttons or similar??
also I presume the thermometer in the car next to the clock slows internal temp?
yesterday morning it showed 3 degrees c and was flashing ( worried now, and the internal lights with the door open turned off abruptly after some time... )
today shows 5 degrees c and not flashing?
or am I being paranoid
RE: rf key fobs - powerandtorque - 20-01-2015
The flashing on the clock temperature is just warning of risk of ice - flashing between 3 degrees and -3 degrees IIRC.
RE: rf key fobs - pug306driver - 20-01-2015
thanks for that..........what about the key fob anyone....there must be a kitchen table type test for these........a 20 turn coil connected to a multimeter perhaps?? point at coil and press and watch meter hunt for signal when fob pressed?? proving summut is happening??
will give that a go this evening and report back
RE: rf key fobs - cully - 20-01-2015
use an osciliscope connected on the aerial will sniff a waveform output
RE: rf key fobs - pug306driver - 20-01-2015
if I had one!!
don't even have a lap top but have a pc........has anyone got a sensor box adc diagram or similar top make signals pc compatable which will not kill the pc..........and some software to convert a pc to an oscilloscope?? pc runs windows 98 and has a parallel and serial port as well as usb ports.
RE: rf key fobs - pug306driver - 21-01-2015
well that worked a treat, turns out both batteries ( new about this time last year ) are flat ( yes I know I mean out of charge! ) and round
so off to get one new one to start with, and 2 new smoke alarm batteries for the house. will report back.....