Posts made by Vinny

Hi @yardy
Are you using the jumper blocks J14.15/J14.17 to JP1.10/JP1.12 respectively for QUP_19?

That will result in 3.3V RX/TX signals at J9 on M0144.

Just want to clarify so that SW is not chasing any red herrings.
Thanks!

Hi @Hung-Pham
All of our products are 0-70C, unless we state otherwise.
Thanks!
Vinny

Hi @JANG
The only time a power module is damaged is when a power supply is used to power the system and the motors are spun up, creating a voltage spike on the input rail that exceeds 28V, not a battery. So, this overall is very surprising to me.
You are welcome to use any 5V source for FCv2. It does not need much power (maybe 1-2Amps total) so our power module is overkill for a FCv2, but it helps by providing current and voltage readings to to PX4 or you FC SW of choice.

Hi @serviceberry
From a HW viewpoint (I am HW team) that sounds reasonable to use the hub the way you suggest. But I know for a fact from personal experience the Boson's are very dependent on VBUS rise times, and a very fast rising 5V supply may not allow it to enumerate properly. We have had an instance in the past where one particular VBUS port rose really fast, and the Boson did not enumerate until we slowed it down. It's one of those situations that may require testing to check. Our J3 10-pin host port has a nice moderate rise time that allows Boson to enumerate. So, when using a Hub, check the VBUS rise times compared to J3.
I do NOT expect J9 USB-C OTG port to work with Boson.
The Snapdragon SOC is very smart, and when in OTG mode, it will not provide more than 500mA to any device that enumerates as USB2 which I am lead to believe how the Boson enumerates. if the Boson could enumerate as a USB3 device and the drivers were all present in the Kernel for this, the Snapdragon will give it 900mA over VBUS letting it boot but I think this is a non-starter without the Boson being able to do that.
Our Boson kits use USB2 only and we provide 1A support to enable them to work without requiring enumeration to negotiate more current, hence why they work on the J3 ports and other expansion board ports that have more than 500mA: https://docs.modalai.com/expansion-design-guide/#usb-expansion-over-j3--j5

Hi @serviceberry
From a hardware perspective, this is not achievable with direct VOXL2 Mini power sources.
We do not provide enough 5V to power Qty-2 Bosons on VOXL 2 Mini. You will need a full sized VOXL 2 for this use case.
https://docs.modalai.com/voxl2-mini-connectors/#power-inputoutput-important-note

Or, you will need to make a custom adapter that allows you to power your Bosons from a external power source.

Hi @JANG
I am surprised you burnt out your power module. It is a very capable and highly flexible design. I've never burned one out over years of testing.

https://docs.modalai.com/power-module-v3-datasheet/

Can you please elaborate more on what you are trying to do, I am not clear on your setup goals.
The power module is for all intents and purposes a DC regulator. It will take any (battery) voltage from ~5.5V up to 28V and create 5V to power VOXL 2, FCv2, or anything else at 5V up to 6Amps.
The module also passes this same input voltage (typically a battery) through so that other things can be cascaded off it like an ESC, more power modules, etc.

Hi @dan64
That is not the standalone Modem board variant and many other components are missing to make this work.
We do not currently sell the "standalone" version of the M0090 (5G) or M0130 (4G LTE), so sadly your efforts will hit a dead end.

Hi @dongsup-seo
It's a fair question but please provide some context for your concern.
Aside from the boot image needed (see link below), the design changes are largely transparent to the end user.
https://docs.modalai.com/m0054-versions/

Thanks
Vinny

Hi @voxltester
Please take a look at this old thread: https://forum.modalai.com/topic/1356/sentinel-drone-randomly-reboots?_=1673383475709

Let us know if that issue with J5 is what is happening.

It is unlikely you are pulling too much current in normal operations as you more than likely have a fault if you think the 5V is drooping.

Thanks!
Vinny

Hi @Alex-Kushleyev
That's correct, since we have not supported it or tried it, there is no elegant HW solution.
We've recently completed the M0172 adapter which breaks out a uCOAX on the upper group + 40-pin Molex (for ToF) on the lower group from a single camera group.
We have not made this product available yet for purchase, but looks like this:

If this is something that interests you, I encourage you to ask our sales team using the contact page about it (we should have a bunch in stock it just has not been a priority for us): https://www.modalai.com/pages/contact-us

@Alex-Kushleyev @ashwin

We are really only anticipating 1 ToF per system. Not sure if any SW efforts have even tried more than 1 and if it's not on our roadmap, it could take a while to support.

However, if a second one is needed it would need to be on a separate camera group on VOXL 2 (not VOXL 2 Mini, as there is not enough system current at 5V to drive two ToFs reliably due to their high current demands).

Hi @Jetson-Nano
Please see this cable page for more guidance.
https://docs.modalai.com/cable-datasheets/#mcbl-00085
Doodle is one of those applications which we give customers enough to start trying it, but we encourage a custom solution to fit your application(s).
Thanks!
Vinny

Hi @antenna-eng ,
@tom has you covered, I was just expressing my experiences with WSL in the hopes it helped.
Thanks!

Hi @dew54 ,
Are you willing to share your schematic with us? We always perform a courtesy review of any customer design.
What Alex said is true but there are some more subtle nuances because our Microhard design pre-dates Voxl 2. Everything was designed to be backwards compatible but a custom design can certainly step on some toes of the 5V network.
Let us know if you are willing to share and we'll email you to exchange the Sch.
Thanks!

Hi @voxl-phoenix
Yes, that M0177 flex you have plugs direct into the M0173 board 40-pin connector here:
Please pay attention to the "+" and "-" notes in silkscreen for proper orientation.

Hope this helps!
Thanks!

@antenna-eng

Hi @antenna-eng
I've tried WSL for years internally with no luck.. it just does not work!!
It's worth buying a $300 Ubuntu laptop and know your issues may all be solved!!! I just searched AMZN and found some for less than $250!!!

@voxl-phoenix And I want to add that the two adapters (M0084 and M0135) on the bottom of your image are not used at all in this system.

Hi @voxl-phoenix
Please see these notes from here: https://docs.modalai.com/M0178/

So, you have several options of different HW to buy...
The easiest which gives you more support of other image sensors is the Starling Front End Imager Unit, M0173: This link is without any extra image sensors ...

https://www.modalai.com/collections/image-sensors/products/m0173?variant=48528274391344

Most variants include that exact set of ToF components you have, so you could get the version with tracking/HiRes sensors if you need that capability:
(note, the $79.99 is just board only and not updated since I did not click through the option).

Hope this helps!

Sorry @Jetson-Nano , this is not my area of expertise (anything software related, I'm just hardware). Hopefully someone else from the SW team can respond shortly for you.