Yes, that's me. Holy crap, man, so many helpful hints! Thank you!

Where did you find out about boost regulators? I had no idea they even existed.

I've known about them in general...converting from lower voltage to higher voltage or vice versa. the issue I ran into was trying to find one at a reasonable size and weight. i tried two other pololu before the pololu #791 . the problem was they did not appear to have a high enough amp rating to feed the power required by the SB vtx5s.1. so I finally tried the 791 and had success and then the 799 with even better success (driving 1s battery lower for longer flight time). so was really some trial and error.

hey i know im lat to the party lol . i just finish this same build how do i get bat voltage to show in osd ?

if you look at the build pictures, you'll see a yellow wire and a white wire. Those go to tx and rx. That's UART 1. Remember rx goes to tx and tx goes to rx. Set UART 1 up as a "configuration/msp" port in the port tab. Last, head to the OSD tab and pick the stuff you want to add.

i use dji controller sbus is using uart 1

i think that's the only UART in that board. if you want to use the dji controller you'd need another flight controller with a second UART, like maybe the Happymodel X12 lite.

https://www.getfpv.com/happymodel-x12-lite-v1-flight-controller-no-vtx.html?gclid=EAIaIQobChMIq7K7uZic-gIVjbLICh1YLg5XEAQYAyABEgJ8y_D_BwE

ok thank. i got the osd working but i cant use dji controller i order a jumper t lite elrs. ill use that once it arrive.

I was just looking at that one. ill grab it on my next build. i appreciate your time. god bless

Could my admittedly subpar soldering be a cause for lower efficiency and therefore not enough voltage being provided to the vista? Not sure as using micro usb + 1s batt remedies this issue.

Sorry I took so long to reply. I've found a few tricks that will help. First, change the battery leads to BT 2.0. My vista would black out midflight before that. Second, use the caddx polar nano. It uses less juice than the caddx nebula pro nano. Third, do use that betafpv elrs tiny FC. It is what I have in my current build an I think it slaps!

Also, use the original Mob6 propellers. You can even acro with those!

I just looked at your diagram. Solder the boost regulator to the battery leads, not to 5v.

Hey again, thanks for the tips! Am definitely going to be converting to BT 2.0. I do have another question. Would I solder the wire to connect to Vin (boost reg) and BATT+? And would I solder a wire to connect GND (boost reg) and BATT-? You can see an updated wiring diagram here. imgur .com/a/JwqpmFJ (there's a space in the link)

A wiring diagram from you would also be super helpful! Thanks in advance!

check the build post again. I added a picture showing where to wire what with the betafpv board. bebery careful with those tx/rx pads!

Holy crap! Thanks again, man! The video does cut out around 3.1-3.0. I ordered the #799. I'm switching to Elrs next. I currently run it with a xfire nano, because I noticed whenever the vista heated up a bit, the control link would cut out. I also changed the esc PWM to 48khz from the previous 96khz and it no longer flies like a cow!

I'm also not sure of the dji vtx settings, but I assume you run at 25mw to maximize the battery life. on the Sharkbyte I can run 25mw or 200mw but I only run 25mw so as to maximum the battery life. yes 48khz works good for me as well. I am using the bluejay esc firmware . my latest SB 1s build (not yet published to rotorbuilds) with the beta75 pro2 frame comes in at touch over 33grams before adding 450mah battery. I'm using RENY motor screws and direct soldered motors and such to save some weight.