Problem with ESC32 or FutabaT8J config ? First flight failed

Info and Discussion about the ESC32 hardware and software

Re: Problem with ESC32 or FutabaT8J config ? First flight fa

Postby Dju » Tue Jul 01, 2014 2:25 pm

Hi,
So I took somes pictures of my model.
I soldered the ftdi header, the boot jumper too. I connected the capacitor and the main power. I put the esc32 in the V5 mode.
I really think that I don't make any mistake soldering the esc32.
After that I connected the main power to 5v as the pwm power (5V from the DJI frame) and I connected the esc sgn to the aq board.
I connect a ubec 5V after the lipo and connected it to the frame to have 5v outpout. I connect the aq board to the frame to (so with 5v input). This is an example with only one esc32 but in fact I have 4 esc32 to connect and what I did was to connect all the esc main power to the frame, and connect all the esc pwm power together (4 reds together 4gnd together in a connector XT6 and connected that connector to the frame).
Tell me if I make a mistake doing that... I'm so sad, I have to buy other esc and there are not available in viacopter and in flyduino ... so I can't do anything right now. (there are other esc that I can use with autoquad without any problems)....
Thanks for reply and your help... I'm really sad
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Last edited by Dju on Tue Jul 01, 2014 4:14 pm, edited 1 time in total.
DJI F450
autoquad FC
ESC32
Futaba 8J + R2008sb rx
LIPO 4S
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Re: Problem with ESC32 or FutabaT8J config ? First flight fa

Postby bluuu » Tue Jul 01, 2014 3:29 pm

Burned MCU.

Look at "capture 3" ...

You could power ESC by +5V, on your picture I see that you put main power on +5V pins of ESC .... there is no UBEC
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Re: Problem with ESC32 or FutabaT8J config ? First flight fa

Postby Dju » Tue Jul 01, 2014 4:00 pm

Yes but I have a ubec in output of the lipo, so I have 5V everywhere. So I have 5V on main powerin esc and 5V in pwm esc
DJI F450
autoquad FC
ESC32
Futaba 8J + R2008sb rx
LIPO 4S
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Re: Problem with ESC32 or FutabaT8J config ? First flight fa

Postby bn999 » Tue Jul 01, 2014 4:13 pm

You cannot reliably power the FC with 5v.
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Re: Problem with ESC32 or FutabaT8J config ? First flight fa

Postby Dju » Tue Jul 01, 2014 4:25 pm

Ok I will change that, but the FC don't have problems, it's my esc32.. and I don't undersand why..
DJI F450
autoquad FC
ESC32
Futaba 8J + R2008sb rx
LIPO 4S
Dju
 
Posts: 59
Joined: Tue Apr 22, 2014 3:54 pm

Re: Problem with ESC32 or FutabaT8J config ? First flight fa

Postby bluuu » Tue Jul 01, 2014 4:47 pm

FC have built-in voltage regulators (recoms).

Advice for future, read carefuly wiki pages !
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Re: Problem with ESC32 or FutabaT8J config ? First flight fa

Postby Dju » Tue Jul 01, 2014 5:11 pm

Yes ok, I will, I thought I had read carefully, maybe not enough.
but that don't explain why I have a problem with the esc32, do you know why ?
DJI F450
autoquad FC
ESC32
Futaba 8J + R2008sb rx
LIPO 4S
Dju
 
Posts: 59
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Re: Problem with ESC32 or FutabaT8J config ? First flight fa

Postby Dju » Thu Jul 03, 2014 9:54 am

I power pwm esc32 to +5V and I power the main power of esc32 too, maybe that is a problem ? I should just have to connect the main power and the gnd & sng to the aq board ?
DJI F450
autoquad FC
ESC32
Futaba 8J + R2008sb rx
LIPO 4S
Dju
 
Posts: 59
Joined: Tue Apr 22, 2014 3:54 pm

Re: Problem with ESC32 or FutabaT8J config ? First flight fa

Postby bluuu » Thu Jul 03, 2014 11:26 am

Read once again wiki page about esc, especialy section: "Select power for logic side"
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Re: Problem with ESC32 or FutabaT8J config ? First flight fa

Postby Dju » Thu Jul 03, 2014 12:03 pm

Yes bluuu I know I read all the wiki about esc, It's just I don't know what happened on mes ESC32 and I'm searching a reason why they burnt out. I select 5V on the esc32, I connected them (+5v and gnd) to a ubec connected himslef to a lipo. I'm quite sure that I always disconnect the main power before the pwm power.
That why I did all what recommanded.. :( :( :(
DJI F450
autoquad FC
ESC32
Futaba 8J + R2008sb rx
LIPO 4S
Dju
 
Posts: 59
Joined: Tue Apr 22, 2014 3:54 pm

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