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Old Jul 26, 2012, 05:31 AM
Chevan2012 is offline
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Who does use the HobbyKing Multi-Rotor Control Board??


Hello guyes.Anybody can help me?
I'm developing the firmware for this HK board Everythin was going OK but few munits ago when i tested the servo my board start to smell like burning. I disconnect the power supply and discovered the R1 resistor is broken. But what is amazing - the board still functional like before.Seems this resistor uses in the power filter curcuit - it's not critical for work from computed power supply ( i use) but importaint within a fly. I could find any schematic in net to verify the value of R1. Can amybody watch in on you own board and write to me- i need the value/text on R1 resistor.
Thanks in abvance, Chevan.
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Old Jul 26, 2012, 05:34 AM
Mike Barton is offline
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That's what the resistor is there for.....

Oh yes, circuit is BIG SECRET

ps: try 5Ohms
Old Jul 26, 2012, 05:53 AM
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Hello Mike.
Noting secret there is. The board is simple and anyone with tester can trace the wiresIt takes me about 30 min including the styding the Murata ENC-03R datasheets.
P.S.
"50 ohm" or "5 ohm"?
Old Jul 26, 2012, 06:06 AM
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I was being ironic (joking) that circuit is a secret - schematic can be found here

5Ohms = what it says: O<>0
OK, I accept I probably meant 4R7Ohms as that is what will be available...
Old Jul 26, 2012, 06:18 AM
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Oh, much thanks.


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