Author Topic: Doppleganger 1.4  (Read 10601 times)


  • Electron Doctor
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  • Jeremy - head solder monkey - tinnitus industries
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Re: Doppleganger 1.4
« Reply #60 on: May 29, 2013, 04:05:23 PM »
Sweet, the LDRs are ordered. If that doesn't sort things, ill try upping the span pots.

Will get up a build report once I'm 100% happy

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  • Transistor Tickler
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Re: Doppleganger 1.4
« Reply #61 on: June 23, 2013, 04:47:04 PM »
Hey guys,

Another weird question...

I was just about to finish populating the board with the LDRs and green LEDs, when I noticed something weird about the pads for the LEDs. The pads/silkscreening contradict one another if I'm looking at it correctly... it has the square/positive pad on the "flat" side of the LED silkscreening... can someone double-check with a working completed build double-check that I'm doing this correctly? Do I follow the pads or the silkscreening? Does the negative or positive leg go in each of the square holes? (I would think positive, but again... silkscreening shows the flat side as the positive side, which I thought always was the negative side of the LED.)

*confused in California*

(PS - I posted to the other Doppelganger build report thread, sorry for the spam)


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Re: Doppleganger 1.4
« Reply #62 on: June 23, 2013, 04:50:40 PM »
Photos in the first post show flat/negative (big tab inside the LED itself is negative, small tab is positive).

Socket the LED's if you're not sure.
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  • John - Wakefield, UK
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Re: Doppleganger 1.4
« Reply #63 on: June 24, 2013, 04:42:47 AM »
Both our boards are now built. It'll just be a while before they're boxed. Trying to tie down the clock noise at the moment, we've made some definite improvements, but it's going to be a couple of weeks before we get another chance to play with these.
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