Re: [beagleboard] TI AM335x vs. Octavio OSD3358

2021-01-26 Thread 'frank....@me.com' via BeagleBoard 


Hi

Are you able to share the high level design of the board. How do you deal 
with the heat issue

Cheers

frank

On Wednesday, January 27, 2021 at 1:47:39 AM UTC+11 acheesehead wrote:

> We have designed a board based upon the Octavo Systems cSIP, which is a 
> step beyond the SIP. They added eMMC, EEPROM and a MEMS oscillator. Many 
> layout issues go away using their solution. I have worked extensively with 
> the Octavo folks. Very nice people. What I understand is that the company 
> was founded by ex-TI people. They provide free design review services that 
> uncovered problems with our design. They say they will manage obsolescence 
> of the components inside of the cSIP. 
>
> On Tuesday, January 26, 2021 at 6:18:24 AM UTC-7 hel...@deepsoft.com 
> wrote:
>
>> At Tue, 26 Jan 2021 05:07:26 -0800 (PST) beagl...@googlegroups.com wrote:
>>
>> > 
>> > 
>> > Thank you Robert!
>> > 
>> > I forgot to mention that I'm looking at the BBW, but I think your 
>> answer 
>> > refers to this one as well.
>> > What about the availability between both solutions? My intended 
>> development 
>> > should be for industry, where they expect very very long product 
>> > availability. Would a SIP be better over single components, or does 
>> Octavio 
>> > face the same problems when any part gets end of life status?
>>
>> I don't really know. You'll have to talk to the people at TI about that.
>>
>> > 
>> > Is the image really completely the same? No diff config in uboot or 
>> > somewhere else? Not easy to compare, because the pinout for both ICs is 
>> > different. 
>>
>> The stock Beagle image works without mods on either. I don't know if 
>> there is 
>> a difference in the boot loader or if the uboot srcript in the chip 
>> EEPPROM is 
>> different. If there is, there is suitable firmware included on the image.
>>
>> > 
>> > 
>> > hel...@deepsoft.com schrieb am Dienstag, 26. Januar 2021 um 13:54:41 
>> UTC+1:
>> > 
>> > > At Mon, 25 Jan 2021 23:15:36 -0800 (PST) beagl...@googlegroups.com 
>> wrote:
>> > >
>> > > > 
>> > > > 
>> > > > 
>> > > > Hello everybody,
>> > > > 
>> > > > I'm searching the right hardware for an embedded project. One of 
>> the 
>> > > Beagle 
>> > > > variants is likely to be the right base to start with. Some point I 
>> > > > couldn't figure out:
>> > > > 
>> > > > Why are some boards using the TI AM335x like BBB and others use the 
>> same 
>> > > > core, but wrapped in a Octavio SIP. I know that it already contains 
>> a 
>> > > bunch 
>> > > > of components board designers place next to the AM335x. But what 
>> are the 
>> > > > main reasons to choose one or the other? Price? Design complexity? 
>> Is it 
>> > > > fully software compatible on image level? 
>> > > > 
>> > >
>> > > The PocketBeagle uses the Octavio SIP and the Debian images for the 
>> BBB 
>> > > work 
>> > > just fine on the PocketBeagle, with no compatiblity issues. I think 
>> the 
>> > > Octavio SIP allows for a more compact board because all of the 
>> support 
>> > > components are incorporated into a single package. This makes for a 
>> > > smaller 
>> > > (and cheaper) PCB.
>> > >
>> > > -- 
>> > > Robert Heller -- Cell: 413-658-7953 <(413)%20658-7953> 
>> <(413)%20658-7953> GV: 978-633-5364 <(978)%20633-5364> 
>> > > <(978)%20633-5364>
>> > > Deepwoods Software -- Custom Software Services
>> > > http://www.deepsoft.com/ -- Linux Administration Services
>> > > hel...@deepsoft.com -- Webhosting Services
>> > >
>> > >
>> > 
>>
>> -- 
>> Robert Heller -- Cell: 413-658-7953 <(413)%20658-7953> GV: 978-633-5364 
>> <(978)%20633-5364>
>> Deepwoods Software -- Custom Software Services
>> http://www.deepsoft.com/ -- Linux Administration Services
>> hel...@deepsoft.com -- Webhosting Services
>>
>>

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RE: [beagleboard] TI AM335x vs. Octavio OSD3358

2021-01-26 Thread 'Frank Romanin' via BeagleBoard 
Hi 

Are you able to share the high level design of the board. How do you deal with 
the heat issue 

Cheers

frank

 

From: beagleboard@googlegroups.com  On Behalf Of 
acheesehead
Sent: Wednesday, 27 January 2021 1:48 AM
To: BeagleBoard 
Subject: Re: [beagleboard] TI AM335x vs. Octavio OSD3358

 

We have designed a board based upon the Octavo Systems cSIP, which is a step 
beyond the SIP. They added eMMC, EEPROM and a MEMS oscillator. Many layout 
issues go away using their solution. I have worked extensively with the Octavo 
folks. Very nice people. What I understand is that the company was founded by 
ex-TI people. They provide free design review services that uncovered problems 
with our design. They say they will manage obsolescence of the components 
inside of the cSIP. 

On Tuesday, January 26, 2021 at 6:18:24 AM UTC-7 hel...@deepsoft.com 
  wrote:

At Tue, 26 Jan 2021 05:07:26 -0800 (PST) beagl...@googlegroups.com 
  wrote: 

> 
> 
> Thank you Robert! 
> 
> I forgot to mention that I'm looking at the BBW, but I think your answer 
> refers to this one as well. 
> What about the availability between both solutions? My intended development 
> should be for industry, where they expect very very long product 
> availability. Would a SIP be better over single components, or does Octavio 
> face the same problems when any part gets end of life status? 

I don't really know. You'll have to talk to the people at TI about that. 

> 
> Is the image really completely the same? No diff config in uboot or 
> somewhere else? Not easy to compare, because the pinout for both ICs is 
> different. 

The stock Beagle image works without mods on either. I don't know if there is 
a difference in the boot loader or if the uboot srcript in the chip EEPPROM is 
different. If there is, there is suitable firmware included on the image. 

> 
> 
> hel...@deepsoft.com   schrieb am Dienstag, 26. 
> Januar 2021 um 13:54:41 UTC+1: 
> 
> > At Mon, 25 Jan 2021 23:15:36 -0800 (PST) beagl...@googlegroups.com 
> >   wrote: 
> > 
> > > 
> > > 
> > > 
> > > Hello everybody, 
> > > 
> > > I'm searching the right hardware for an embedded project. One of the 
> > Beagle 
> > > variants is likely to be the right base to start with. Some point I 
> > > couldn't figure out: 
> > > 
> > > Why are some boards using the TI AM335x like BBB and others use the same 
> > > core, but wrapped in a Octavio SIP. I know that it already contains a 
> > bunch 
> > > of components board designers place next to the AM335x. But what are the 
> > > main reasons to choose one or the other? Price? Design complexity? Is it 
> > > fully software compatible on image level? 
> > > 
> > 
> > The PocketBeagle uses the Octavio SIP and the Debian images for the BBB 
> > work 
> > just fine on the PocketBeagle, with no compatiblity issues. I think the 
> > Octavio SIP allows for a more compact board because all of the support 
> > components are incorporated into a single package. This makes for a 
> > smaller 
> > (and cheaper) PCB. 
> > 
> > -- 
> > Robert Heller -- Cell: 413-658-7953   
> > <(413)%20658-7953> GV: 978-633-5364   
> > <(978)%20633-5364> 
> > Deepwoods Software -- Custom Software Services 
> > http://www.deepsoft.com/ -- Linux Administration Services 
> > hel...@deepsoft.com   -- Webhosting Services 
> > 
> > 
> 

-- 
Robert Heller -- Cell: 413-658-7953   GV: 978-633-5364 
  
Deepwoods Software -- Custom Software Services 
http://www.deepsoft.com/ -- Linux Administration Services 
hel...@deepsoft.com   -- Webhosting Services 

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 .

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Re: [beagleboard] TI AM335x vs. Octavio OSD3358

2021-01-26 Thread jonnymo 
The Beaglebone Blue is another Beagle that sports an Octavo OSD3358
Processor.

As far as the BBB Wireless, there is this post on the Octavo site regarding
the launch of the BBB Wireless:
http://octavosystems.com/2016/09/27/the-beaglebone-black-wireless-and-beagleboard-compatibility/

One notable statement from the link is:
"First, the design was greatly simplified by replacing over 150 discrete
components with the OSD3358-512M-BAS"

Also, the Beaglebone AI uses a Texas Instruments AM5729 which is a bit
different.

And even more fun, the Beagle-V will use a RISC-V chip.

Cheers,

Jon




On Tue, Jan 26, 2021 at 5:07 AM Adrian Fülöp 
wrote:

>
> Thank you Robert!
>
> I forgot to mention that I'm looking at the BBW, but I think your answer
> refers to this one as well.
> What about the availability between both solutions? My intended
> development should be for industry, where they expect very very long
> product availability. Would a SIP be better over single components, or does
> Octavio face the same problems when any part gets end of life status?
>
> Is the image really completely the same? No diff config in uboot or
> somewhere else? Not easy to compare, because the pinout for both ICs is
> different.
>
>
> hel...@deepsoft.com schrieb am Dienstag, 26. Januar 2021 um 13:54:41
> UTC+1:
>
>> At Mon, 25 Jan 2021 23:15:36 -0800 (PST) beagl...@googlegroups.com
>> wrote:
>>
>> >
>> >
>> >
>> > Hello everybody,
>> >
>> > I'm searching the right hardware for an embedded project. One of the
>> Beagle
>> > variants is likely to be the right base to start with. Some point I
>> > couldn't figure out:
>> >
>> > Why are some boards using the TI AM335x like BBB and others use the
>> same
>> > core, but wrapped in a Octavio SIP. I know that it already contains a
>> bunch
>> > of components board designers place next to the AM335x. But what are
>> the
>> > main reasons to choose one or the other? Price? Design complexity? Is
>> it
>> > fully software compatible on image level?
>> >
>>
>> The PocketBeagle uses the Octavio SIP and the Debian images for the BBB
>> work
>> just fine on the PocketBeagle, with no compatiblity issues. I think the
>> Octavio SIP allows for a more compact board because all of the support
>> components are incorporated into a single package. This makes for a
>> smaller
>> (and cheaper) PCB.
>>
>> --
>> Robert Heller -- Cell: 413-658-7953 <(413)%20658-7953> GV: 978-633-5364
>> <(978)%20633-5364>
>> Deepwoods Software -- Custom Software Services
>> http://www.deepsoft.com/ -- Linux Administration Services
>> hel...@deepsoft.com -- Webhosting Services
>>
>> --
> For more options, visit http://beagleboard.org/discuss
> ---
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> 
> .
>

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Re: [beagleboard] TI AM335x vs. Octavio OSD3358

2021-01-26 Thread acheesehead 
We have designed a board based upon the Octavo Systems cSIP, which is a 
step beyond the SIP. They added eMMC, EEPROM and a MEMS oscillator. Many 
layout issues go away using their solution. I have worked extensively with 
the Octavo folks. Very nice people. What I understand is that the company 
was founded by ex-TI people. They provide free design review services that 
uncovered problems with our design. They say they will manage obsolescence 
of the components inside of the cSIP. 

On Tuesday, January 26, 2021 at 6:18:24 AM UTC-7 hel...@deepsoft.com wrote:

> At Tue, 26 Jan 2021 05:07:26 -0800 (PST) beagl...@googlegroups.com wrote:
>
> > 
> > 
> > Thank you Robert!
> > 
> > I forgot to mention that I'm looking at the BBW, but I think your answer 
> > refers to this one as well.
> > What about the availability between both solutions? My intended 
> development 
> > should be for industry, where they expect very very long product 
> > availability. Would a SIP be better over single components, or does 
> Octavio 
> > face the same problems when any part gets end of life status?
>
> I don't really know. You'll have to talk to the people at TI about that.
>
> > 
> > Is the image really completely the same? No diff config in uboot or 
> > somewhere else? Not easy to compare, because the pinout for both ICs is 
> > different. 
>
> The stock Beagle image works without mods on either. I don't know if there 
> is 
> a difference in the boot loader or if the uboot srcript in the chip 
> EEPPROM is 
> different. If there is, there is suitable firmware included on the image.
>
> > 
> > 
> > hel...@deepsoft.com schrieb am Dienstag, 26. Januar 2021 um 13:54:41 
> UTC+1:
> > 
> > > At Mon, 25 Jan 2021 23:15:36 -0800 (PST) beagl...@googlegroups.com 
> wrote:
> > >
> > > > 
> > > > 
> > > > 
> > > > Hello everybody,
> > > > 
> > > > I'm searching the right hardware for an embedded project. One of the 
> > > Beagle 
> > > > variants is likely to be the right base to start with. Some point I 
> > > > couldn't figure out:
> > > > 
> > > > Why are some boards using the TI AM335x like BBB and others use the 
> same 
> > > > core, but wrapped in a Octavio SIP. I know that it already contains 
> a 
> > > bunch 
> > > > of components board designers place next to the AM335x. But what are 
> the 
> > > > main reasons to choose one or the other? Price? Design complexity? 
> Is it 
> > > > fully software compatible on image level? 
> > > > 
> > >
> > > The PocketBeagle uses the Octavio SIP and the Debian images for the 
> BBB 
> > > work 
> > > just fine on the PocketBeagle, with no compatiblity issues. I think 
> the 
> > > Octavio SIP allows for a more compact board because all of the support 
> > > components are incorporated into a single package. This makes for a 
> > > smaller 
> > > (and cheaper) PCB.
> > >
> > > -- 
> > > Robert Heller -- Cell: 413-658-7953 <(413)%20658-7953> 
> <(413)%20658-7953> GV: 978-633-5364 <(978)%20633-5364> 
> > > <(978)%20633-5364>
> > > Deepwoods Software -- Custom Software Services
> > > http://www.deepsoft.com/ -- Linux Administration Services
> > > hel...@deepsoft.com -- Webhosting Services
> > >
> > >
> > 
>
> -- 
> Robert Heller -- Cell: 413-658-7953 <(413)%20658-7953> GV: 978-633-5364 
> <(978)%20633-5364>
> Deepwoods Software -- Custom Software Services
> http://www.deepsoft.com/ -- Linux Administration Services
> hel...@deepsoft.com -- Webhosting Services
>
>

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Re: [beagleboard] PocketBeagle Kernel Version

2021-01-26 Thread kb2...@gmail.com 
Thanks Drew, this is very useful.

Mike

On Monday, January 25, 2021 at 11:07:45 PM UTC-5 Drew Fustini wrote:

> Mike - I use this omap2plus-mainline-linux repo to develop for the 
> mainline kernel releases on the PocketBeagle:
> https://github.com/RobertCNelson/omap2plus-mainline-linux/tree/v5.10.x
>
> Robert has convenient script that automates a lot of the tedious steps.  
> It boots ok but certain features like the PRU may not work as they do on 
> the BeagleBoard.org Debian images.
>
> Thanks,
> Drew
>
> On Sat, Jan 23, 2021 at 6:57 AM Robert Nelson  wrote:
>
>> On Sat, Jan 23, 2021 at 8:50 AM kb2...@gmail.com  
>> wrote:
>> >
>> > What is the latest kernel supported by the PocketBeage?
>>
>> pretty much 'all' aka mainline..
>>
>> Regards,
>>
>> -- 
>> Robert Nelson
>> https://rcn-ee.com/
>>
>> -- 
>> For more options, visit http://beagleboard.org/discuss
>> --- 
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>> "BeagleBoard" group.
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>> email to beagleboard...@googlegroups.com.
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>> .
>>
>

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Re: [beagleboard] I2C problems

2021-01-26 Thread Astrid Hochart 
Normally the BBB automatically detects I2C devices right ?

Astrid Hochart
Product developer - QZabre LLC
www.qzabre.com


On Tue, Jan 26, 2021 at 10:23 AM Astrid Hochart  wrote:

> I tried 1Kohms and 10kohms but I still have nothing unfortunately..
>
> Astrid Hochart
> Product developer - QZabre LLC
> www.qzabre.com
>
>
> On Mon, Jan 25, 2021 at 6:48 PM Steve Lentz  wrote:
>
>> I can only speak from my experience. I have three Adafruit sensor
>> breakouts connected on I2C bus 2.  Each of these has its own 10K pull-up
>> resistors. The last board did not work until I added an external 1K pull
>> up.  It is 100% reliable since then.  I have built this twice and
>> experienced the same thing both times.  I spent a lot of time chasing
>> software and asking questions on this forum.  Five minutes with an
>> oscilloscope showed me the real problem was that high values on the SDA
>> line were not reaching 3.3V before it was sampled.  Based on this, a
>> logical next step is to add an external 1K pull up and see what happens.
>>
>>
>>
>> > On Jan 25, 2021, at 12:35 PM, Dennis Lee Bieber <
>> dennis.l.bie...@gmail.com> wrote:
>> >
>> > On Mon, 25 Jan 2021 10:42:50 -0500, in
>> gmane.comp.hardware.beagleboard.user
>> > Steve Lentz  wrote:
>> >
>> >> Here is the diagram for my i2c device.  This shows where the pull-up
>> resistors are added.  You will need something similar.
>> >>
>> >> But first check the documentation for the thermo-click to see if it
>> already has pull-up resistors.  It may have 2K, 5K, 10K already.  Don’t
>> allow the parallel resistance to go below 500 ohms.
>> >>
>> >
>> >   If I interpret the confusing schematic from
>> > https://www.mikroe.com/thermo-9-click there appear to already be a
>> pair of
>> > 4.7k pull-ups on the board.
>> >
>> >
>> > --
>> > Dennis L Bieber
>> >
>> > --
>> > For more options, visit http://beagleboard.org/discuss
>> > ---
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>> .
>>
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Re: [beagleboard] TI AM335x vs. Octavio OSD3358

2021-01-26 Thread Robert Heller 
At Tue, 26 Jan 2021 05:07:26 -0800 (PST) beagleboard@googlegroups.com wrote:

> 
> 
> Thank you Robert!
> 
> I forgot to mention that I'm looking at the BBW, but I think your answer 
> refers to this one as well.
> What about the availability between both solutions? My intended development 
> should be for industry, where they expect very very long product 
> availability. Would a SIP be better over single components, or does Octavio 
> face the same problems when any part gets end of life status?

I don't really know.  You'll have to talk to the people at TI about that.

> 
> Is the image really completely the same? No diff config in uboot or 
> somewhere else? Not easy to compare, because the pinout for both ICs is 
> different. 

The stock Beagle image works without mods on either.  I don't know if there is 
a difference in the boot loader or if the uboot srcript in the chip EEPPROM is 
different.  If there is, there is suitable firmware included on the image.

> 
> 
> hel...@deepsoft.com schrieb am Dienstag, 26. Januar 2021 um 13:54:41 UTC+1:
> 
> > At Mon, 25 Jan 2021 23:15:36 -0800 (PST) beagl...@googlegroups.com wrote:
> >
> > > 
> > > 
> > > 
> > > Hello everybody,
> > > 
> > > I'm searching the right hardware for an embedded project. One of the 
> > Beagle 
> > > variants is likely to be the right base to start with. Some point I 
> > > couldn't figure out:
> > > 
> > > Why are some boards using the TI AM335x like BBB and others use the same 
> > > core, but wrapped in a Octavio SIP. I know that it already contains a 
> > bunch 
> > > of components board designers place next to the AM335x. But what are the 
> > > main reasons to choose one or the other? Price? Design complexity? Is it 
> > > fully software compatible on image level? 
> > > 
> >
> > The PocketBeagle uses the Octavio SIP and the Debian images for the BBB 
> > work 
> > just fine on the PocketBeagle, with no compatiblity issues. I think the 
> > Octavio SIP allows for a more compact board because all of the support 
> > components are incorporated into a single package. This makes for a 
> > smaller 
> > (and cheaper) PCB.
> >
> > -- 
> > Robert Heller -- Cell: 413-658-7953 <(413)%20658-7953> GV: 978-633-5364 
> > <(978)%20633-5364>
> > Deepwoods Software -- Custom Software Services
> > http://www.deepsoft.com/ -- Linux Administration Services
> > hel...@deepsoft.com -- Webhosting Services
> >
> >
> 

-- 
Robert Heller -- Cell: 413-658-7953 GV: 978-633-5364
Deepwoods Software-- Custom Software Services
http://www.deepsoft.com/  -- Linux Administration Services
hel...@deepsoft.com   -- Webhosting Services


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Re: [beagleboard] TI AM335x vs. Octavio OSD3358

2021-01-26 Thread Adrian Fülöp 

Thank you Robert!

I forgot to mention that I'm looking at the BBW, but I think your answer 
refers to this one as well.
What about the availability between both solutions? My intended development 
should be for industry, where they expect very very long product 
availability. Would a SIP be better over single components, or does Octavio 
face the same problems when any part gets end of life status?

Is the image really completely the same? No diff config in uboot or 
somewhere else? Not easy to compare, because the pinout for both ICs is 
different. 


hel...@deepsoft.com schrieb am Dienstag, 26. Januar 2021 um 13:54:41 UTC+1:

> At Mon, 25 Jan 2021 23:15:36 -0800 (PST) beagl...@googlegroups.com wrote:
>
> > 
> > 
> > 
> > Hello everybody,
> > 
> > I'm searching the right hardware for an embedded project. One of the 
> Beagle 
> > variants is likely to be the right base to start with. Some point I 
> > couldn't figure out:
> > 
> > Why are some boards using the TI AM335x like BBB and others use the same 
> > core, but wrapped in a Octavio SIP. I know that it already contains a 
> bunch 
> > of components board designers place next to the AM335x. But what are the 
> > main reasons to choose one or the other? Price? Design complexity? Is it 
> > fully software compatible on image level? 
> > 
>
> The PocketBeagle uses the Octavio SIP and the Debian images for the BBB 
> work 
> just fine on the PocketBeagle, with no compatiblity issues. I think the 
> Octavio SIP allows for a more compact board because all of the support 
> components are incorporated into a single package. This makes for a 
> smaller 
> (and cheaper) PCB.
>
> -- 
> Robert Heller -- Cell: 413-658-7953 <(413)%20658-7953> GV: 978-633-5364 
> <(978)%20633-5364>
> Deepwoods Software -- Custom Software Services
> http://www.deepsoft.com/ -- Linux Administration Services
> hel...@deepsoft.com -- Webhosting Services
>
>

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Re: [beagleboard] TI AM335x vs. Octavio OSD3358

2021-01-26 Thread Robert Heller 
At Mon, 25 Jan 2021 23:15:36 -0800 (PST) beagleboard@googlegroups.com wrote:

> 
>  
> 
> Hello everybody,
> 
> I'm searching the right hardware for an embedded project. One of the Beagle 
> variants is likely to be the right base to start with. Some point I  
> couldn't figure out:
> 
> Why are some boards using the TI AM335x like BBB and others use the same 
> core, but wrapped in a Octavio SIP. I know that it already contains a bunch 
> of components board designers place next to the AM335x. But what are the 
> main reasons to choose one or the other? Price? Design complexity? Is it 
> fully software compatible on image level? 
> 

The PocketBeagle uses the Octavio SIP and the Debian images for the BBB work 
just fine on the PocketBeagle, with no compatiblity issues.  I think the 
Octavio SIP allows for a more compact board because all of the support 
components are incorporated into a single package.  This makes for a smaller 
(and cheaper) PCB.

-- 
Robert Heller -- Cell: 413-658-7953 GV: 978-633-5364
Deepwoods Software-- Custom Software Services
http://www.deepsoft.com/  -- Linux Administration Services
hel...@deepsoft.com   -- Webhosting Services



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Re: [beagleboard] I2C problems

2021-01-26 Thread Astrid Hochart 
I tried 1Kohms and 10kohms but I still have nothing unfortunately..

Astrid Hochart
Product developer - QZabre LLC
www.qzabre.com


On Mon, Jan 25, 2021 at 6:48 PM Steve Lentz  wrote:

> I can only speak from my experience. I have three Adafruit sensor
> breakouts connected on I2C bus 2.  Each of these has its own 10K pull-up
> resistors. The last board did not work until I added an external 1K pull
> up.  It is 100% reliable since then.  I have built this twice and
> experienced the same thing both times.  I spent a lot of time chasing
> software and asking questions on this forum.  Five minutes with an
> oscilloscope showed me the real problem was that high values on the SDA
> line were not reaching 3.3V before it was sampled.  Based on this, a
> logical next step is to add an external 1K pull up and see what happens.
>
>
>
> > On Jan 25, 2021, at 12:35 PM, Dennis Lee Bieber <
> dennis.l.bie...@gmail.com> wrote:
> >
> > On Mon, 25 Jan 2021 10:42:50 -0500, in
> gmane.comp.hardware.beagleboard.user
> > Steve Lentz  wrote:
> >
> >> Here is the diagram for my i2c device.  This shows where the pull-up
> resistors are added.  You will need something similar.
> >>
> >> But first check the documentation for the thermo-click to see if it
> already has pull-up resistors.  It may have 2K, 5K, 10K already.  Don’t
> allow the parallel resistance to go below 500 ohms.
> >>
> >
> >   If I interpret the confusing schematic from
> > https://www.mikroe.com/thermo-9-click there appear to already be a pair
> of
> > 4.7k pull-ups on the board.
> >
> >
> > --
> > Dennis L Bieber
> >
> > --
> > For more options, visit http://beagleboard.org/discuss
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