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Turnigy 9x V2 $8 battery Modification
Posted:
Thu Sep 02, 2010 10:27 pmby pip333
Hi, I would be grateful to hear if anybody has done the $8 battery modification to the Turnigy 9x V2. I know it works great on the v1, but I just want to know if anybody has successfully carried out the modification on the v2.
phil
Re: Turnigy 9x V2 $8 battery Modification
Posted:
Sat Sep 04, 2010 2:11 pmby crampy
It'll work the same as for the V1.
Very good mod, I highly recommend it.
Re: Turnigy 9x V2 $8 battery Modification
Posted:
Sun Nov 28, 2010 2:32 pmby gladiax
Hi, with 3 cell lion battery and without modification on board, how can i decrease the voltage?
Re: Turnigy 9x V2 $8 battery Modification
Posted:
Mon Nov 29, 2010 3:14 pmby mtesa
Re: Turnigy 9x V2 $8 battery Modification
Posted:
Sun Dec 05, 2010 12:32 amby sytamra
Why would a 800mah 11.1 from something like a Honey Bee not work..........charged to something less than 12.6V?
Thanks
ba
Re: Turnigy 9x V2 $8 battery Modification
Posted:
Thu Dec 16, 2010 5:53 pmby lm317
Hello -
Did anyone have any probs with this mod??
The voltage regulator (78L05) on the TH9x has a dropout voltage of
1.7V (Datasheet) - using a 2s Lipo and discharging to the min (3V/cell)
would leave you with 4.3V on the uC instead of 5V.
So of course it might work - but depending on the crystal frequency the
uC needs more or less voltage to operate safely.
Maybe Bruce can answer this - are we relaying on the uC to work with
less voltage than the design engineers supposed it to work with?
If u have a 2.4Ghz Modul working with 5V (don´t know if there are any -
FrSky internally converts to 3.3V) you wont provide it with the desired voltage either -
since it will use voltage regulator too. Hopefully a low voltage drop regulator....
