Future wishlist

Discussion related to the OpenMV Kickstarter.
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petri
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Future wishlist

Postby petri » Wed Jan 04, 2017 12:05 pm

The new M7 looks promising. Hopefully there will be M8, too :) Here's my personal wishlist:

- alternative hw version without soldered-on pin headers
- alternative hw version with the sensor-lens unit connect to main board by a cable
(or a version that combines both of the above)
- improved support for outdoor use (waterproof case to keep out rain and prevent dew buildup)
- built-in support for hooking in & charging a LiPo battery, with battery low - detection
- built-in wi-fi
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kwagyeman
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Re: Future wishlist

Postby kwagyeman » Wed Jan 04, 2017 9:57 pm

Hi Petri,

I can give feedback on that:

- alternative hw version without soldered-on pin headers

Yes, this is something I'd like to do but it would require us to stock 2 SKUs. In future revisions I have a plan to address that.

- alternative hw version with the sensor-lens unit connect to main board by a cable

In future revisions I have a plan for this too.

- improved support for outdoor use (waterproof case to keep out rain and prevent dew buildup)

Ibrahim is working on a case.

- built-in support for hooking in & charging a LiPo battery, with battery low - detection

Future revision.

- built-in wi-fi

This is hard for us. We'll need a lot more volume before we can do this easily. The STM32 line of microcontrollers does not have built-in WiFi (kinda lame).

---

As for a future revision, assuming we can ramp sales with the M7. We'll do a KickStarter in the very distant future for a version of the system where the main MCU/camera/lens-mount are all in one package and connect to a carrier board that looks like the OpenMV Cam. This will free up space for a lipo charger along with allowing businesses to buy the camera module by itself as a unit. The camera module will connect to the board via mezzanine connectors... which can attach to a cable assembly if necessary. Not sure how WiFi will fit in the picture.

Anyways, getting there is far off. We have to sell a lot of M7 boards first to get a lot of capital and customers.

We're not changing the design much for the M7 board because we're trying not to go out of business and we can't mess anything up right now. The M7 board design is conservative for that reason.
Nyamekye,
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kwagyeman
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Re: Future wishlist

Postby kwagyeman » Wed Jan 04, 2017 10:33 pm

Oh, so, there will be an upgrade path in the future for us too. http://www.st.com/en/microcontrollers/s ... tId=SS1951

The thing is as powerful as a raspberry pi zero (in terms of coremark performance). It doesn't have the same amount of RAM but it also doesn't have have the lack of flash problem the zero has. It also will draw only 110mA.

It won't be out till ST's Q2 which is the middle of this year. Not sure on the exact date.
Nyamekye,
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cagiva
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Re: Future wishlist

Postby cagiva » Wed Jan 11, 2017 2:47 pm

Can I power the OpenMV Cam with a 3.7V Lithium Ion Polymer Battery (https://www.adafruit.com/products/1578)?
kwagyeman wrote:
- built-in support for hooking in & charging a LiPo battery, with battery low - detection
And, does the above mean that I cannot charge the battery using the usb connector on the current OpenMV board, but that will be a future capability?
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kwagyeman
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Re: Future wishlist

Postby kwagyeman » Wed Jan 11, 2017 2:51 pm

Yes, you can use a 3.7V battery to power the system. Please apply it to the VIN pin to go into the regular. The system cannot charge the battery however. We don't have a battery charging circuit on board. This is something I'd like to do in the future. The goal for the M7 board was not to break the design and to be conservative as possible.
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cagiva
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Re: Future wishlist

Postby cagiva » Wed Jan 11, 2017 7:01 pm

kwagyeman wrote:Please apply it to the VIN pin to go into the regular.
Do you mean the VCC pin next to the P7 pin?

https://cdn.shopify.com/s/files/1/0803/ ... 5124046547
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kwagyeman
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Re: Future wishlist

Postby kwagyeman » Wed Jan 11, 2017 7:19 pm

Yes.
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RebeccaPalmer
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Re: Future wishlist

Postby RebeccaPalmer » Wed Nov 29, 2017 10:07 am

Hello! I am really- really glad to find this magic thread! Thanks a lot for publishing this information!
frav
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Re: Future wishlist

Postby frav » Fri Apr 20, 2018 8:43 am

Hello,

I would be very interesting to have an ethernet shield with PoE technology for industrial use.

bye
Francesco
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kwagyeman
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Re: Future wishlist

Postby kwagyeman » Fri Apr 20, 2018 12:43 pm

Unfortunately... for our next module we don't expose the Ethernet pins making this hard. But, the SPI bus is exposed which can used with a Wiznet module... Mmm, this sucks implementation wise though. https://www.ebay.com/i/112460690292?chn=ps
Nyamekye,
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robert_d1968
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Re: Future wishlist

Postby robert_d1968 » Mon May 07, 2018 9:15 am

A nice aluminum case with mounting holes would be great for my use... For now, I will order cases here in China as the customer will not be happy with a plastic case and double sticky tape holding it on.
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kwagyeman
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Re: Future wishlist

Postby kwagyeman » Mon May 07, 2018 12:15 pm

Um, we've released the case files online. You should be able to 3d print something better using the files. There's also a rugged case someone in the community developed.
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ser
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Re: Future wishlist

Postby ser » Tue Jun 19, 2018 11:25 pm

Would it be possible to route TRACESWO line to the debug header (or to where it's convenient)? I understand it's not an essential line, but it may help during debugging.
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kwagyeman
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Re: Future wishlist

Postby kwagyeman » Wed Jun 20, 2018 1:15 am

Ibrahim may be able to add a test point for this... submit a github issue on the OpenMV github.
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DROBNJAK
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Re: Future wishlist

Postby DROBNJAK » Tue Oct 02, 2018 4:00 pm

If I may ad to the whishlist:

- reversible Micro USB port.

It's a very handy feature, in tight spaces to be able to reverse Micro USB cable. Reversible Micro USB cables are actually available, but OpenMV M7 doesn't work with them. I tried today and M7 only worked in one orientation.
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kwagyeman
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Re: Future wishlist

Postby kwagyeman » Wed Oct 03, 2018 1:26 am

Hi, what are you talking about exactly?
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DROBNJAK
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Re: Future wishlist

Postby DROBNJAK » Wed Oct 03, 2018 10:25 am

https://mashable.com/2016/07/19/winnerg ... sjEsolJmqh

Micro USB cables now can be reversed and still work. In my project space for USB canble was really tight and I needed to reverse it. Maybe it's an interesting feature.
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kwagyeman
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Re: Future wishlist

Postby kwagyeman » Wed Oct 03, 2018 12:03 pm

From the article there's no info on the electrical signaling there. From what I know about MicroUSB this isn't possible unless the cable has some type of logic in it to determine it's orientation. Otherwise, you're just reversing the connections on the cable.

I think what you'd want is USB C support.
Nyamekye,
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iabdalkader
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Re: Future wishlist

Postby iabdalkader » Tue Oct 16, 2018 2:11 pm

ser wrote:
Tue Jun 19, 2018 11:25 pm
Would it be possible to route TRACESWO line to the debug header (or to where it's convenient)? I understand it's not an essential line, but it may help during debugging.
Will add it to the debugging header.

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