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Can't make it past the first test
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Can't make it past the first test

by McUzi on Tue Apr 20, 2010 10:56 am

well, here goes kit #2. I double checked to see that I installed things with the proper polarity. On the first test, the power supply shows good voltage but the tests in the instructions result in no reads. (.14-.3). My meter is set on 20VDC so I am once again clueless!
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McUzi
 
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Re: Can't make it past the first test

by adafruit on Tue Apr 20, 2010 11:11 am

can you take a sharper photo of the bottom?

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Re: Can't make it past the first test

by McUzi on Tue Apr 20, 2010 12:33 pm

is this better?
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McUzi
 
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Re: Can't make it past the first test

by adafruit on Tue Apr 20, 2010 4:44 pm

so the 5v regulator doesnt work? whats the voltage on each of the pins of the 7805?

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Re: Can't make it past the first test

by McUzi on Tue Apr 20, 2010 7:09 pm

.56 on the outboard first pin and 0 on the other 2 pins. I must have either installed something backwards or have a bad solder joint?
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Re: Can't make it past the first test

by McUzi on Tue Apr 20, 2010 8:29 pm

oh shit.....I broke a pin off of the buzzer and ordered up some more--kit on hold now. Double checked solder points to see if I could spot anything. Nothing looks out of place. Now I will wait on more buzzers to fat-finger :?
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Re: Can't make it past the first test

by adafruit on Tue Apr 20, 2010 9:46 pm

check your diodes!

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Re: Can't make it past the first test

by DarrenG on Wed Apr 21, 2010 4:20 am

D1 appears to be in the wrong way round.
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Please be positive and constructive with your questions and comments.