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  1. B

    Swim Timer

    The electronics section one could use an already built board for the Atmega328. Such as the Arduino Pro Mini or probably better for you the Arduino Nano. If you want genuine you can get from various outlets but also you can get clone boards from Ebay (much cheaper and work ok) Most of the...
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    Christmas tree lights

    Maybe startup with a dimmer set to the low end and increase after a few seconds
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    Cheapest way to get data from multiple(100s) of sensors?

    Arduino output pin will only handle 20ma max and 2803 is open collector
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    Need help finding the right resistor

    Apparently it's ceramic
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    Unknown component

    It would have originally looked something like the enclosed image.
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    Timer Switch For Ride ON toy

    Could use a 555 timer module with built in relay off Ebay for maybe $3. Just add a momentry button to kick off the timer which will reset and turn off you motor in whatever adjustable time. Usually the modules cover seconds to 10-15 minutes.
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    Does a 250w Infra red light will work on a 320w 8.92A 38v solar panel ?

    What voltage light?
  8. B

    Distorted audio on an old transistor radio cassette

    Cannot open your supplied pdf file.
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    flashlight strobe light

    555's are like 10 for a dollar off Ebay.
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    Hooking up deadbolt motor to TB6612FNG Stepper Motor Controller

    Think you are being a bit picky M.
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    Help with a switch

    Difficult to see where the tracks are connected because of great blobs of glue. However, normally connect battery to centre 2 terminals and motor to one end of the switch. It looks like the tracks will give you the reversing but as I say, blobs of glue are no help whatsoever.
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    I have a manual battery charger quit working

    Maybe you should have read #2 when I suggested the exact same thing. :)
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    Double Action switch repair

    x2 for that. Switch may have 4 terminals but it's just standard press for on momentry operation. Get the dimensions of the switch including the length of the button and do an Ebay search. Probably end up with 10 for a couple of dollars delivered.
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    Time delay for cheap.

    Yep, amazing what one can get for a couple of dollars and most seem to work just fine. Many are delivered also with an all up cost of at least 1/3 of what it would cost just for postage here in Aus.
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    Turning a flashing led circuit into solid? Pics inside

    Popeye, wallwart same as image below ( without the filter) for future reference ...cheers...Jorgo :)
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    Hooking up deadbolt motor to TB6612FNG Stepper Motor Controller

    Yes, but commonly known as a "series" motor...depends on what country one comes from I imagine. ;)
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    Double Action switch repair

    Can you post a photo??
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    How do you connect all the voltages together into one?

    Circuit please
  19. B

    Volume knob, Roberts radio, intermittent failure

    Normal pot one can squirt a bit of crc down inside where the 3 terminals come out BUT this miniature one has a different arrangement. (riveted to the back casing) might be difficult to get anything in there ..
  20. B

    Why is this LED not 20 Watts?

    Steve, You probably already have your confirmation but here is a link to what I think is the same. :) http://www.ebay.com/itm/10W-20W-30W-50W-100W-Waterproof-High-Power-LED-Driver-Supply-LED-SMD-Chip-Bulb-/162000234100?var=&hash=item25b7f76674:m:mrAkcjQIpzv6_W3UHOODO7A Working with...
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