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  1. H

    LED nite light schematic

    Here are more
  2. H

    LED nite light schematic

    We could get similar Circuits for you but that one is proprietary.
  3. H

    fair child photo transistor data

    I fixed it for you Steven. You don't need to ask MP in my Forum.
  4. H

    fair child photo transistor data

    Here is another copy in PDF Nice Job by the way. Looks Great! ;) FPT1010.pdf
  5. H

    could i replace the 74LS240 for the 74HCT240

    Compare the datasheets. The 74HCT240 is CMOS and Static Sensitive The 74LS240 has More Power Consumption. The Pin-Out is the same and it may just work. 74HC240_74HCT240.pdf DM74LS240_DM74LS241.pdf
  6. H

    i need data sheet

    This is the best I could do. SR-07_Speech.pdf
  7. H

    How electronics works

    Here is the real stuff. http://www.allaboutcircuits.com/vol_1/chpt_1/7.html http://www.mi.mun.ca/~cchaulk/eltk1100/ivse/ivse.htm http://www.qrg.northwestern.edu/projects/vss/docs/Power/2-whats-electron-flow.html
  8. H

    SUPER CONFUSED =\

    Is this the picture you are looking at? They have written books about the way Electricity travels. Lightning for example goes from the ground to the cloud. Everyone thinks it is the other way around. But, if you film it with a slow motion camera you will see that it goes up not down...
  9. H

    up/down counter with 0-15 bcd output?

    http://www.kpsec.freeuk.com/components/74series.htm#74393 7490 decade (0-9) ripple counter 7493 4-bit (0-15) ripple counter NC = No Connection (a pin that is not used). # on the 7490 pins 6 and 7 connect to an internal AND gate for resetting to 9. For normal use connect QA to clockB and...
  10. H

    Semi Manufacturer's Icon symbols

    Here are just a few I found with a Keyword search "IC Logos" http://www.elnec.com/iclogos_l.php http://www.dibsplace.com/design/ICLogos.htm http://www.chipdocs.com/logos/logotypes.html http://www.dialelec.com/semiconductorlogos.html
  11. H

    HDD motor driver schematics

    http://www.roboteq.com/robovia/electrical-diagram.pdf http://www.cnhdd.com.cn/hdd/library/spvcm/eHA13561F.pdf
  12. H

    need help finding:

    Tuff one  ??? ADP3011 Analog Devices ADP3011 ADP3011JR-REEL Prog. synchronous switching reg. cntrl. AR7120 IC Array
  13. H

    an3814 datasheet

    Spanish Translation of PDF Above. an3814k_English_Text.txt
  14. H

    an3814 datasheet

    One more not Datasheet. AN3814_3824.pdf
  15. H

    an3814 datasheet

    Here is the best I could do. an3814k_Spanish.pdf
  16. H

    Seeking NAD 7240PE Service Manual/Schematic

    I have NAD3240PE
  17. H

    An Ultrasonic Cleaner--Schematic

    The frequency of the ultrasound is approximately 80 kHz for this unit with a maximum amplitude of about 460 VAC RMS (1,300 V p-p) for a 115 VAC input. OOPS I Did forget  :o
  18. H

    An Ultrasonic Cleaner--Schematic

    LOOK AGAIN I think you are looking at the first not the last because I did correct it!
  19. H

    An Ultrasonic Cleaner--Schematic

    Here
  20. H

    KAC624 Kenwood Car Amplifier Service manual

    KAC624 Kenwood Car Amplifier Service manual NEEDED Please Upload If you have it. I have a Kenwood KAC624 that has the Audio Output Transistors burned out. D2065 is the number stamped on all of them. I thought it kind of strange they would all be the same. Usually you would have an NPN and a...
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