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Jul 26, 2012, 04:31 AM
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Chevan2012's Avatar

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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Jul 26, 2012, 04:34 AM
Registered User
That's what the resistor is there for.....

Oh yes, circuit is BIG SECRET

ps: try 5Ohms
Jul 26, 2012, 04:53 AM
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Chevan2012's Avatar
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.
"50 ohm" or "5 ohm"?
Jul 26, 2012, 05:06 AM
Registered User
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...
Jul 26, 2012, 05:18 AM
Registered User
Chevan2012's Avatar
Oh, much thanks.

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