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Philippine Electronics Forum
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Analog and Mixed Signal
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Analog Electronics
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ordinary wall clock(analog)
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Topic: ordinary wall clock(analog) (Read 1355 times)
jenny diaz
CR2032 Battery
Posts: 14
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ordinary wall clock(analog)
«
on:
August 04, 2009, 05:38:10 PM »
patulong po mga master.kasi itong wall clock namin sinusuplayan ko mula sa adaptor na may variable output,specifically 1.5Vdc,hindi na yung battery na size AA.Ngayon,dinirect ko sa terminal ng clock,hindi gumana,gumawa ako ng circuit.Umandar na pero pagabot ng mga ilang minuto umaadvance ang time nya,medyo mabilis yata ang palo.pls help po.
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ordinary wall clock(analog)
«
on:
August 04, 2009, 05:38:10 PM »
0b00000111
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Re: ordinary wall clock(analog)
«
Reply #1 on:
August 04, 2009, 05:41:43 PM »
yung mga variable DC na adaptor, minsan hinde actual na 1.5Vdc yung lumalabas. yung adaptor sa bahay, 1.5Vdc ng adaptor ko is 4.5Vdc (no load) ang nasusukat sa DMM. di ko lang nasukat pag may load na heheh
post mo na lang circuit mo dito sir. para makita ng mga members...
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Philippine Electronics Forum
Re: ordinary wall clock(analog)
«
Reply #1 on:
August 04, 2009, 05:41:43 PM »
jenny diaz
CR2032 Battery
Posts: 14
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Re: ordinary wall clock(analog)
«
Reply #2 on:
August 05, 2009, 01:28:19 PM »
tama ka po,hindi talaga 1.5Vdc yung lumalabas kahit naka set na sa 1.5, 4Vdc ang actual na output so kinabitan ko ng 16K na resistor at infrared LED para bumaba yung current,ayaw pa rin.Dinagdagan ko ng capacitor 10V/470uF gumana pero mejo mabilis,advance ng mga 12 secs.pinalitan ko yung 10V/470uF ng 16V/22uF humina ang palo,sobra namang hina at di kayang i drive,so pinalitan ko uli ng 16V/47uF gumana pero mejo mabilis pa rin ng konti..hay naku..
.ano kaya dapat kong gawin nito.baka sa 10V/33uF maperfect na kaya?
pano po magpost ng image dito para ma post ko yung diagram ng circuit?
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Re: ordinary wall clock(analog)
«
Reply #2 on:
August 05, 2009, 01:28:19 PM »
Ikasamoko
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Re: ordinary wall clock(analog)
«
Reply #3 on:
August 05, 2009, 04:33:52 PM »
I think it's cheaper to used AA battery...hehehe...
panu if brownout? patay din relo nyo?
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Re: ordinary wall clock(analog)
«
Reply #3 on:
August 05, 2009, 04:33:52 PM »
kalansing
Size D Battery
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Re: ordinary wall clock(analog)
«
Reply #4 on:
August 12, 2009, 05:12:47 PM »
Quote from: Kasamiko on August 05, 2009, 04:33:52 PM
I think it's cheaper to used AA battery...hehehe...
panu if brownout? patay din relo nyo?
oonga naman mahina lang naman mag consume ng power ang mga wall clocks. a year para mag palit ng isang AA.
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Re: ordinary wall clock(analog)
«
Reply #4 on:
August 12, 2009, 05:12:47 PM »
Ikasamoko
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Re: ordinary wall clock(analog)
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Reply #5 on:
August 12, 2009, 05:54:56 PM »
Or much better palitan mo ng size D na alkaline type..para mas matagal pa..
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insomartin
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Re: ordinary wall clock(analog)
«
Reply #6 on:
August 12, 2009, 06:14:13 PM »
^ di naman po kayo galit sa wall clock noh? can't imagine kapag naka mount na...
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Ikasamoko
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Re: ordinary wall clock(analog)
«
Reply #7 on:
August 13, 2009, 10:51:33 AM »
^ but can you imagine na may ac/dc adaptor na namakabit sa wall clock?
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insomartin
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Re: ordinary wall clock(analog)
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Reply #8 on:
August 13, 2009, 12:31:30 PM »
^ i stand corrected. hahaha. oo nga
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Mhavskie
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Re: ordinary wall clock(analog)
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Reply #9 on:
August 13, 2009, 04:25:28 PM »
Buti nalang yung wall clock namin di pihit ahehe,. Ou nga panu pag brownout syempre hihinto yan, battery nalang gamitin mo dagdag sa c0nsumo pag adaptor gamit mo.
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Re: ordinary wall clock(analog)
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Reply #9 on:
August 13, 2009, 04:25:28 PM »
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ordinary wall clock(analog)
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