Re: Bik occupancy detection

[ian.bird@xxxxxxx]

Hi Scott

I have a couple of the original units the States and in testing they
performed well. I had a problem with the earth on my house floating a
little and where these units were very sensitive and the way I was
trying
to use it (large area) I had problems. In theory I have sorted the
house
earth now (gone to PME) but have not had the opportunity to get the
units
out again. Be aware they need -12 and +12 - read the bit on power
supplies.

I believe Stuart Grimshaw was trying to put one together from a PCB I
built
for him but I don't know what the end result was. Over to you Stuart.

This is still something I am interested in but the units would NOT be
mega
cheap (cost of components) and we need to do more testing. I am quite
wrapped up with xAP stuff at the moment so time is against me. I do
however
have most of the components for a unit.

If Stuarts one worked then the way forward would be to make a copy
design
and PCB so we have some more control over the design. In particular I a
referring to the relay that is activated when the sensor 'clicks'. A
transistor may be better or some other alternative.

Ian

Ian Bird
CibaVision UK Ltd.
Direct dial 01489 775570
Fax           01489
779570


                                                                                                                                
                     
Scott
Crowther                                                                                            
                     
<scrowther@intama       
To:       "'ukha_d@xxxxxxx'"
<ukha_d@xxxxxxx>                    
                     
c.com>                  
cc:                                                                              
                                              
Subject:  [ukha_d] Bik occupancy
detection                                       
                     
29/11/02
14:27                                                                                            
                     
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ukha_d                                                                                                    
                                                                                                                                
                                                                                                                                




I know this subject has occurred before, but it was prior to me joining
the
list (may 2001?)

I searched the archive and saw that a group from this list were looking
to
build a Bik kit.

Was it ever done?

Does anyone have a completed one that I could try?

Is anyone using one at home?

For those not in the know: www.bik.com <http://www.bik.com/>  (they
don't
make it any more, but you can DIY)



Scott

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