Microhard USB Carrier Board Integration with VOXL 2 (As opposed to the add on board)
-
Hello, for form factor reasons, and to get the maximum db output of the microhard module, I want to try and integrate the Microhard USB Carrier Board with the VOXL 2 instead of the standard Add on Board. I'm attempting to set it up identical to how the doodle labs radios integrate, through the USB 2 fastboot board on the VOXL 2. I have been unsuccessful in creating a network connection to the radio.
Is there any reason why this integration wouldn't work? Is there anything that can be done to get this integration to work?
-
@Jeremy-Frederick Can you post a picture of your hardware setup so we can get a better idea of what you're trying?
-
-
@Jeremy-Frederick Just tried a separate carrier board and modem and it seems to be working just fine now
-
HI @Jeremy-Frederick
This cable may help improve your setup to get rid of that external regulator for the MH
https://www.modalai.com/collections/cables-1/products/mcbl-00095
Food for thought. -
@Vinny Appreciate the option, just now noticing that the USB2 Fast boot board is no longer being sold, I assume its been replaced by the USB3 breakout board. Is this board still capable of providing up to 5A to the peripheral modem as demonstrated in the doodle labs radio integration guide?
-
Hi @Jeremy-Frederick
If you mean "2A" (not 5A) then sadly no.
Our newest 4G modem board M0130 can provide the needed 2A (10W) for full range, but otherwise, an external supply is needed for Doodle to achieve their max stated specs.
https://docs.modalai.com/cable-datasheets/#mcbl-00085
https://www.modalai.com/collections/modems/products/m0130-3?variant=48186331693360 -
@Vinny I've been assessing the FPV ESC with its built in 5V regulator for the VOXL 2 up to 6A. On the bench, I haven't clocked the VOXL 2 drawing any more then 2A, (albeit we're not using many of the CPU heavy services). Do you think this regulator would be capable of powering the VOXL 2 as well as the Microhard modem up to 2A?
-
Absolutely! @Jeremy-Frederick
That is why we keep the 6A part to match our Power Module capabilities from M0041.
We need 6A to deal with inrush power-on for our VOXL 2, but then after that, we usually only pull 6-8W MAX in the most extreme use cases, so you have over 20W of "free" power to use on accessories.
Hope this helps minimize your system eBOM!
Let us know if you have any other questions.
