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  1. logan_dslasher

    i need help extending the keys finder project. can someone help me out????

    hi! i skipped class to ask you guys about something.. my adviser wired the circuit in the breadboard.. he said that although he wired it correctly and have the same output voltage, the circuit is still not functioning.. he concluded that the circuit will not function.. he said that i should...
  2. logan_dslasher

    i need help extending the keys finder project. can someone help me out????

    A 4069 is better than a 4049, right? i will try a 4069.. have to go now.. i have a class.. i will re-design the circuit while attending my class. i'll have it sent to you for checking.. thanks..
  3. logan_dslasher

    i need help extending the keys finder project. can someone help me out????

    hey! i need proof! can you please give me alink to a site or something that says all about this CD4049.. all i'm getting out of google are PDFs.. they usually contain basic infos..
  4. logan_dslasher

    i need help extending the keys finder project. can someone help me out????

    correction.. i mean a CD4049.. i got confused.. sorry...
  5. logan_dslasher

    i need help extending the keys finder project. can someone help me out????

    good day! has anybody built the whistle responder circuit and made it work? my adviser thinks it'll never work.. he said that the IC used (CD4069 CMOS Hex Inverter) can never be used as an amplifier.. i want to know if anybody had already made the circuit with a 4069 IC..even if you haven't...
  6. logan_dslasher

    i need help extending the keys finder project. can someone help me out????

    hi! this day was not like what i imagined it to be.. when my adviser and i met this afternoon, he asked if i had everything with me. i said yes. he asked for the circuit. i handed it to him. he also asked for the spare components i have, including the bread board.. i also gave him the printouts...
  7. logan_dslasher

    i need help extending the keys finder project. can someone help me out????

    i must have totally logged out.. maybe it remembered my login info.. i'm sorry.. anyway, i think i'll just stick with the elctret mic i have.. my adviser just called.. he wants me to come over his house.. we're going to work on the project.. i have to go.. i'll let you know what we can...
  8. logan_dslasher

    Posting Instructions

    i have already made 66 posts and until now, i haven't read the rules in posting.. since that was posted almost a year ago, the link in now not available.. where was it moved? thanks..
  9. logan_dslasher

    Problems lately accessing this site

    the site is encountering problems alright, but it's a good thing that the experts here are willing to cross boundaries just to continue helping the newbies like me..
  10. logan_dslasher

    i need help extending the keys finder project. can someone help me out????

    http://www.gsmarena.com/alcatel_ot_club_db-25.php i have this old cellphone which i found while i was searching through my box of "OLD" things.. it is an Alcatel OT Club db.. it's battery is dead and not charging.. it's almost two years since i switched it open. i think it's totally inoperable...
  11. logan_dslasher

    i need help extending the keys finder project. can someone help me out????

    it didn't beep.. grounding pin 5 or 9 doesn't make it beep.. i kinda noticed that the site is down again..  maybe i'll just have to replce my transistor when i got home tonight.. i can;t solder here in the cafe.. our panelist said that even if our prototype doesn't function, they can pass my ...
  12. logan_dslasher

    i need help extending the keys finder project. can someone help me out????

    pin2 - 2.8V pin4 - 0.8V pin6 - 0.8V pin10 - 0V pin14 - 2.8V mic - 1.8V when i reversed the pins of my transistor as what is shown in my last post, i haven't heard it beep even once..
  13. logan_dslasher

    i need help extending the keys finder project. can someone help me out????

    Source: http://www.nutchip.com oh no!! what an idiot!!!  :-[ i have to go now.. i'll desolder  the transistor and rewire it.. i am so careless!! i hate me! i hate me!! ehehehe.. lolz... this is driving me nuts!! i need a rest!!
  14. logan_dslasher

    i need help extending the keys finder project. can someone help me out????

    i was browsing the eLab when i encoutered the fridge door alarm project.. when i opened it , i noticed that the latest post was yours.. even more surprising is what your post contains--- a BC337!! i was surprised to see that the first terminal (if you're facing the transistor) is the Collector...
  15. logan_dslasher

    Fridge door alarm circuit

    excuse me, may i butt in? audioguru? you have just showed a BC337 pin configuration. that's the same transistor i am using in the whistle responder right? all this time i thought that the first pin is the emitter... this could be the reason why i can;t get the project to work..
  16. logan_dslasher

    credit to electronics lab

    I'll definitely mention the eLab in the acknowledgment  of my thesis.. the site has been a lot of help in my study.. I thank God for having experts here that never goes tired of helping newbies!! i would like to commend audioguru for the very big help he is giving me!! Keep this site up and...
  17. logan_dslasher

    i need help extending the keys finder project. can someone help me out????

    it took my whole sleeping hours to have the final prototype of the whistle responder circuit.. i'm still very sleepy.. anyway, the circuit is still not working.. it's very frustrating.. any more suggestions that might get this thing to work.. when i picked it up to whistle close to the mic, it...
  18. logan_dslasher

    i need help extending the keys finder project. can someone help me out????

    i will mount it on the PCB tonight.. after that, il'll read your post.. about the circuit DESIGN and OPERATION.. i hope this thing workz.. thanks a lot!!
  19. logan_dslasher

    i need help extending the keys finder project. can someone help me out????

    hey4! i didn't made it yo my first class.. i overslept.. i already cut the wires short enough but i havent soldered them onto a PCB yet.. i still dont have the mini drill i borrowed from a friend... maybe this afternoon.. i talked to my panelist for my final defence.. i inquired if it is...
  20. logan_dslasher

    i need help extending the keys finder project. can someone help me out????

    alright then, i'll solder them.. about the pin configuration i was talking about.. could you please show it to me.. my adviser was worried that i had wired the parts the other way around... he wants to see its pin configuration.. i argued that you have already approved my PCB layout so, that...
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