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insomartin
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« on: November 03, 2009, 03:37:01 AM » |
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halloween special!  i have been collecting pcb from my neighborhood junkshop and it's been a treasure trove of rare and working items. BUT THIS TIME THERE IS TWO ITEMS! happy guessing! rules and regulation.
anyone can join!
after the 13th post will the game start and the 6th person who got it correct wins if not, then only the every 6th post will be accepted as a winner with the correct answer.
Contest ends on FRIDAY 6th of november GUESS ME IMAGE!CIRUIT 1 (EASY)  CIRCUIT 2 (haha)   |
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The Philippine Electronics and Technology Forum
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« on: November 03, 2009, 03:37:01 AM » |
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insomartin
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« Reply #1 on: November 03, 2009, 03:54:25 AM » |
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Knock yerself out! bwahahaha. good night!
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Supremo Mayor Kuya Johnaray
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« Reply #2 on: November 03, 2009, 03:59:48 AM » |
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danny
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« Reply #3 on: November 03, 2009, 04:06:05 AM » |
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circuit #2 cassette player tama ba?  |
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danny
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« Reply #4 on: November 03, 2009, 04:14:43 AM » |
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insomartin
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« Reply #5 on: November 03, 2009, 04:39:27 AM » |
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^ not even close! mas madali kaya yung circuit 1... |
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Supremo Mayor Kuya Johnaray
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« Reply #6 on: November 03, 2009, 04:40:56 AM » |
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Circuit 2 ... OLD 286 or 386 or 486 Computer
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insomartin
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« Reply #7 on: November 03, 2009, 04:49:24 AM » |
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dapat pala Circuit board nang atari ko yung pinost ko... ayun weird talaga. yung mga diode as in LUMA! black tas may DOT. and walang datasheet.
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Supremo Mayor Kuya Johnaray
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« Reply #8 on: November 03, 2009, 06:16:37 AM » |
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dapat pala Circuit board nang atari ko yung pinost ko... ayun weird talaga. yung mga diode as in LUMA! black tas may DOT. and walang datasheet.
TAMA ba ako sa sagot ko |
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kalansing
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« Reply #9 on: November 03, 2009, 10:12:42 AM » |
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circuit 2, keyboard / organ / synthesizer may midi ports sa harap
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n0th1n6
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« Reply #10 on: November 03, 2009, 11:00:24 AM » |
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Circuit 1 Light chaser  ) |
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labgruppen
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« Reply #11 on: November 03, 2009, 11:04:48 AM » |
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first glance, stand-out nga yung mga midi ports. DIN5 connector na may malapit na optocoupler (sharp pc900) is obviously a typical MIDI in port. tapos may yamaha branded chip pa (IC4 2M ROM) which might be the wavetable so it is most probably a yamaha psr keyboard.
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marcelino
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« Reply #12 on: November 03, 2009, 11:25:07 AM » |
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karaoke! heheh |
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"Don't take life seriously. After all, no one has ever come out of it alive. -Bugs Bunny"
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jeje-BUSTER
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« Reply #13 on: November 03, 2009, 11:31:54 AM » |
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first glance wild guess.. power supply ba yung circuit 1?? |
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-=jeje=-
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Kasamiko
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..sexually deficit..
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« Reply #14 on: November 03, 2009, 11:49:47 AM » |
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circuit #2 cassette player tama ba? Impakta ka talaga...san ka makakakita ng ganun na old cassette but may ASIC na IC's... ...tapos may yamaha branded chip pa (IC4 2M ROM) which might be the wavetable so it is most probably a yamaha psr keyboard.
Yamaha? di kaya driver ng CDI yan ng lumang motor?  |
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Visit My "BLAG!"If electricity comes from electrons, does morality come from morons?
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labgruppen
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« Reply #15 on: November 03, 2009, 11:53:53 AM » |
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hehe
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RaffT
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« Reply #16 on: November 03, 2009, 12:10:56 PM » |
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wala ba mas mahirap? heheheh circuit#1 yung POWER SAVER daw? circuit#2 baka digital alarm clock? or SEGA |
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Learning is CooL! BEAM robotics/DIY UCD180/PSP/AC wtmtr/digiESRmtr/PICkit™2 clone/SGTC/SSTC/DR-SSTC
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rdpzycho
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« Reply #17 on: November 03, 2009, 12:33:20 PM » |
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'yung circuit 1, LED lights? parang ganyan circuit board nung gamit namin sa bike na merong busina at signal lights, meron lang ibang IC na naka epoxy. circuit 2, tama ba 'yun 1982 'yung nakikita ko? mukhang MIDI IC 'yung Yamaha, baka nga lumang keyboard (makahanap nga ng luma, hehehe). dito pala makikita kung gaano na karaming nakitang circuit by age. |
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"Keep on starting, and finishing will take care of itself."
- Neil Fiore
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RaffT
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« Reply #18 on: November 03, 2009, 12:44:43 PM » |
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on circuit#1, kita yung transistor astable oscillator to drive the 4017 so big chance running lights talaga.. pero di lang sure san application ginamit.. may switch kasi.. circuit#2 yah baka old ORGAN yan NA MAY DIGITAL clock.. hehehe |
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Learning is CooL! BEAM robotics/DIY UCD180/PSP/AC wtmtr/digiESRmtr/PICkit™2 clone/SGTC/SSTC/DR-SSTC
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labgruppen
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« Reply #19 on: November 03, 2009, 12:49:37 PM » |
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circuit 1, utp cable tester?
circuit 2, midi keyboard? basta midi..
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The Philippine Electronics and Technology Forum
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October 31, 2008, 12:35:45 PM
