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It was developed by our friend ApBerg, and Alexismex. I played around a little Tetris.
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Smity Ok sorry, I did not know it had been created pcblongboard by ApBerg and Alexismex but thank you all the same.
I made some changes, I'm using BF245C, transistor BC517 audio, all must be fitted with a rotation of 180 degrees because the pinout is different.
Hug for everyone.Comment
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Photos Barracuda PCB longboard.Comment
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Wilson, congratulations to you. You are probably the first who made a long circuit board. To the question for you. How does it work? Does not make noise? Now in its tube (diameter 50 mm)., Sealed and under the water!Comment
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Thank smity, remember to thank those who have started the project longboard I just did some modifications.
As proof of the extruded water should be studied very well, should probably be used a tube of transparent acrylic wall 4 to 5mm, the circuit contains an LED purple high gloss that can help in the hunt, but also has the output audio should be studied a means of installing the conectores or use special plugs and headphones.
I apologize for my English, I'm using a translator ok.
Hug.Comment
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sorry for poor english, please help me, barracuda about pi, does not work and after 5 seconds the heat ic 7660 ACPAZ ?,not function....all new electronic parts and I know electronics....
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not function...Comment
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Do a picture just like that but of the underside, so we can see the tracks.
Pics of the underside probably tell us more than the top, there's nothing amiss in the project, it's more than likely something simple.
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Hello Nokia, I'll try to help you, check the welds and possible short between tracks and pad, do a clean side of the welds on the pcb to check better. If all is well remove the ci LF412 and NE5534 and check the voltage +5 and -5.
The ci 7660 should be the model that supports 13volts (ICL7660SCPAZ). Maximum voltage for the circuit PI Barracuda is 12volts.Comment
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Nokia, remove this Fet circuit. Do not install the fet again.Comment
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I've built two barras now one a silverdog kit as comes from silverdog without those components and with the irf fet and no delay pot.
And another totally my build with tip 127,q5 etc as close to original as possible.
My conclusion was that the silverdog version is easier to set up but does not work as well as the complete version
i understand that this was satdave uk's conclusion as well i'm sure he will correct me if i'm wrong.
P.S. I just wanted to say to wilson that i was impressed with his barra build, one of if not THE most complete barra!
this http://www.geotech1.com/forums/attac...1&d=1344285256 class.Comment
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I tested before fitting parts pcb magnifying glass and the meter is good, I tested after I installed all the parts out of ic is ok, we test at the end and it is ok, I've removed and replaced the FET socket and integrated all ..I think he's right ..... i dont like people who say detectors are useless under £ 250 thats a lie
as is any radio under £ 400 is not worth Also the operatingComment
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You already removed the FET Q5 and turned on the circuit? Most mounts barracuda does not work well with fet Q5 installed, do a test.
The tension-5volts this correct?Comment
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Hello Sinclairuser, I'm glad to know that you liked my mount barracuda, thanks. I also rode a version with test points to facilitate the measurements with the oscilloscope and avoid short circuit between the cis pinouts; also used the configuration Surf PI Pro IC NE5534 (offset and filter capacitor at the input) in bench tests do not I noticed a difference when completing assembly test them in the field.
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chek pins of 2n2222Comment
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