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Re: [Paparazzi-devel] Lisa M wiring layout

From: Simon Wilks
Subject: Re: [Paparazzi-devel] Lisa M wiring layout
Date: Wed, 4 Jan 2012 10:40:15 +0100


Thanks for the doing the diagram. I received my Lisa/M yesterday and had it up and running within an hour thanks largely to this.

One comment on the power supply: with the board in its default state (no jumpers bridged) I needed to apply power to V_IN (I chose to use 11.1V for testing). Using V_BATT as indicated in your diagram would not power the board which puzzled me at first, but then I didn't have the ESC and servos in place as I am using I2C and no servos.


On Mon, Jan 2, 2012 at 1:53 PM, Bruzzlee <address@hidden> wrote:
Updated diagram

Am 02.01.12 11:41, schrieb Bruzzlee:
@ Eduardo
It seams that 11.1V (or what ever) is to high to use it directly.
I think I'll take the 5V/2A BEC from my ESC to V_IN and connect the battery to V_BATT like you.
(I think you've mixed up the vin and v_batt in your text)

@ Stephen
As far as I see - you've connected the 11.1V to V_IN. What did you do with the Jumper?

I've studied seen the Jumper part before but there is a thing that I don't understand:
From the Wiki:
"In our case the ESC will supply both the servos and the board with power from the main battery. This is the default setup of Lisa/M, so there is no need to solder anything on the board. "

My LisaM has no Jumper soldered yet. So it's "default". This means now I can power the board by connecting BEC (SERVO1 SV/GND)? and the Battery to V_BATT.

So what happens when I solder JP1?
I think this will connect the V_IN to SERVO1_SV to use the BEC power to power the board.

---> Main question ;-) :
So: All Jumper not bridged -->Battery to I2C1 V_BATT and BEC 5V to V_IN or to SERVO1_SV?

I hope my suggestions aren't too confusing ;-)

Am 01.01.12 21:56, schrieb Eduardo lavratti:
Bruzzlee, the correct way to powert lisa/m is the i2c1 as you say.
The vin in used to monitor the battery voltage.
In my setupi i use 7v to power the lisa/m because the onboard regulator work very HOT with 12v.
So i connect the vin directo to battery and a 7v to v_batt pin.

Date: Sun, 1 Jan 2012 14:43:06 +0100
From: address@hidden
To: address@hidden
Subject: Re: [Paparazzi-devel] Lisa M wiring layout

Thanks for the answers.

@ Eduardo
Of course I will share my tests to the community

@ Eric
Is the Lisa M usually been powered by the I2C1 CAN plug with 11.1V?
Because this looks strange to me...


Am 31.12.11 21:03, schrieb Eduardo lavratti:
Bruzzlee, i am using lisa/m too.
Please, report your tests to the group.

I have strange behavior with my copter.
Some of this caused by vibration and other that i not know the cause.


> From: address@hidden
> Date: Sun, 1 Jan 2012 01:46:19 +1030
> To: address@hidden
> Subject: Re: [Paparazzi-devel] Lisa M wiring layout
> Hi Bruzzlee
> It looks good to me and yes the ADC1 bridge is needed only for the initial bind to the Spektrum receiver (or receivers, you can use two at once)
> Eric
> On 30/12/2011, at 7:51 AM, Bruzzlee wrote:
> > Hi all
> > After a long break I've continued the work on my quadrotor Lisa M project. Now I've done my wiring layout but I'm not sure if everything is correct.
> > Especially the power source for the board: I2C1 CAN (V_BATT/GND) or SERVO1 (SV/GND)?
> > The ADC1 bridge - I need it only for the first binding to the spectrum remote - right?
> >
> > I want to publish this layout on wiki - please report mistakes!
> >
> > thx
> > Bruzzlee
> > <LisaMWiring.png>_______________________________________________
> > Paparazzi-devel mailing list
> > address@hidden
> >
> _______________________________________________
> Paparazzi-devel mailing list
> address@hidden

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