/Schematics/Bugs/Spy bug in a pen

This transmitter is powered by 12V battery like those used in car alarm key fobs.

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Date: 01-02-2007

Lokalna verzija ove stranice: Špijun buba u olovci

294_pijunbubauolovci.zip

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comment [23]

  • From frwgrg on 12-11-2009 at 23:30:57

a kako se onda menja frekv? c1 je trimer a kad ga zamenis sa 4p7, neces imati cime menjati frekv.(ako pravis onu sa kalemon na pcb)
IP: n/a

comment [22]

  • From tomi_89 on 07-10-2007 at 06:43:36

e ovako... ja sam maturan el.teh škole i za rad sam odabrao ovu stvarèicu... dali je netko napravio ovo i dali radi?? i dali kao prijemnik možemo koristiti radio? IP: 83.131.28.61
IP: 83.131.28.61

comment [21]

di da nabavim napajanje?? za bubu
IP:

comment [20]

imam pitanj!! Dok špijuniraš ima za to i prijemnik kaj èuješ razgovor
IP:

comment [19]

  • From Ivo_Ka on 01-03-2007 at 10:53:39

to su ti one okrugle,imas za kupit kod urara... IP: 83.131.6.108
IP: 83.131.6.108

comment [18]

  • From Ivo_Ka on 01-03-2007 at 10:52:58

pedja,u vezi baterije sto si pitao,mozes staviti vise malih baterija (1,5V - 3V) iz obicnog sata...nisu velike,niti skupe,i istog su promjera kao penkala... IP: 83.131.6.108
IP: 83.131.6.108

comment [17]

  • From sdk on 21-02-2007 at 15:59:15

kakav je domet i stabilnost? IP: 83.91.26.46
IP: 83.91.26.46

comment [16]

pise vam da kad za C1 stavite 4.7pF, predajnik radi na podrucju 87-108MHz. Za antenu moze i 5cm zice, stvar je jednostavna, kraca antena=veci otpor=manji domet IP: 89.172.89.216
IP: 89.172.89.216

comment [15]

evo slike; http://www.elektronika.ba/forum/viewtopic.php?p=19137
IP:

comment [14]

  • From Dragan on 17-02-2007 at 11:09:50

Dali je moguce da antena od 35 cm bude namotano kao kod fm amaterskog transivera(tokca) pendrek antena... ovako je nezgodno ubaciti u kosulju... ispod jakne itd, hvala IP: 212.200.176.76
IP: 212.200.176.76


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