[Top][All Lists]
[Date Prev][Date Next][Thread Prev][Thread Next][Date Index][Thread Index]
Re: [Paparazzi-devel] Airspeed_ETS on Lisa/m 2
From: |
Piotr Esden-Tempski |
Subject: |
Re: [Paparazzi-devel] Airspeed_ETS on Lisa/m 2 |
Date: |
Thu, 13 Sep 2012 16:08:41 -0700 |
Hi,
Why can't you use I2C1? It is level shifted to 5V already.
Cheers Piotr
--
Transition Robotics Inc.
http://transition-robotics.com
the makers of the Quadshot
Co-Founder, Embedded systems Engineer
Mobile: +1 831 440 7454
Skype: esdentem
On Sep 13, 2012, at 3:35 PM, Tilman Baumann <address@hidden> wrote:
> On 13/09/12 23:20, Tilman Baumann wrote:
>> The Eagletree Airspeed module is VCC +5V (And subsequently the i2c levels I
>> suppose)
>> Lisas i2c(2) port is +3.3 volt though.
>>
>> Has anyone done this before? Does the ETS module perhaps run on +3.3V? Or do
>> I need to buy a level converter? Any tips which chip I should use? (nice and
>> small SOIC package with few external parts so I can do dead bug style
>> construction on the connector)
>
> Oh well, that one was easy. If I need a level converter, the TI PCA9306DCTR
> seems to do the trick nicely. Just needs two pullups and a filter cap.
> Will I need to do this?
>
> _______________________________________________
> Paparazzi-devel mailing list
> address@hidden
> https://lists.nongnu.org/mailman/listinfo/paparazzi-devel