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RE: [Paparazzi-devel] 2S battery


From: akochevar
Subject: RE: [Paparazzi-devel] 2S battery
Date: Mon, 01 Sep 2008 20:19:35 -0700
User-agent: Web-Based Email 4.14.3

You would need to make the ADC see something less than 3.3Volts.  I would suggest a voltage dividing circuit.  Then you would just need to write code to monitor that ADC(not unlike the infrared.c code), and create the scale so when say the ADC reads 3.3V you show a value in your messages of 8.4. 
 
AJ
 
-------- Original Message --------
Subject: Re: [Paparazzi-devel] 2S battery
From: "Mohit Mundhra" <address@hidden>
Date: Mon, September 01, 2008 2:14 pm
To: address@hidden

then how is that to be connected to the ADC port for monitoring ?

On Tue, Sep 2, 2008 at 1:23 AM, <address@hidden> wrote:
> Definitely not!
>
>
> -------- Original Message --------
> Subject: Re: [Paparazzi-devel] 2S battery
> From: "Mohit Mundhra" <address@hidden>
> Date: Mon, September 01, 2008 9:34 am
> To: address@hidden
>
> Can I connect the V+ from the battery directly to the ADC port on the Tiny ?
>
> On Mon, Sep 1, 2008 at 9:54 PM, <address@hidden> wrote:
>> just change your CATASTROPHIC battery detect in your airframe to something
>> like 6.5V and it wont cut the throttle, then you shouldnt need to add
>> anything. I fly with a 2 cell battery with no issues.
>>
>> AJ
>>
>> -------- Original Message --------
>> Subject: [Paparazzi-devel] 2S battery
>> From: "Mohit Mundhra" <address@hidden>
>> Date: Mon, September 01, 2008 2:56 am
>> To: address@hidden
>>
>> I need to connect the 2S battery for monitoring in the tiny 1.1 . Can
>> i straightaway connect one wire from the V+ of the battery to one of
>> the ADC points on tiny board? Which ADC_ should I connect it to? What
>> other settings do I need to make in the configuration files for it to
>> correctly monitor the battery status?
>>
>> Currently I havent connected the battery to the board and when I
>> switch it to Auto 2, it cuts the throttle which is OK as it is
>> detecting it as low battery. Do let me know what all I have to do.
>>
>>
>> --
>> Mohit Mundhra
>>
>>
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>>
>
>
>
> --
> Mohit Mundhra
> --~--~---------~--~----~------------~-------~--~----~
> Aurora Integrated Systems
> -~----------~----~----~----~------~----~------~--~---
>
>
> _______________________________________________
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>



--
Mohit Mundhra
--~--~---------~--~----~------------~-------~--~----~
Aurora Integrated Systems
-~----------~----~----~----~------~----~------~--~---


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