FPV Beginners If you are getting started in FPV this is the place to go for help. Experienced members will help the beginners getting started in FPV, so post your questions you have.

Powering FPV in car

Old 10-28-2017, 12:33 PM
Junior Member
Thread Starter
Join Date: Oct 2017
Posts: 2
Likes: 0
Received 0 Likes on 0 Posts
Default Powering FPV in car

Hi all.
I've been wanting to try putting a camera into an RC car for years and have eventually decided to do it.
However, I'm not too great at electronics, so could do with a little advice.
I found what looks like a decent setup with the Eachine ATX03 ROTG01 (Sorry can't post a link to details, but you can search for 'Eachine ATX03 ROTG01 Mini-5 8G 72CH. Switchable FPV AV VTX RX Combo For Android' ) but was wondering how people would recommend powering it.
As this will be for occasional use and​​​​​​ for simplicity, I was thinking of using 3 alkaline AAs. What do you think?

The car I am using is my battered old BearHawk, that I have already switched out the MSC for an ESC (so plenty of space). Originally, I was thinking I could take power from a servo connector on the cars reciever, but that is tiny and only has connectors to power the main servos.

Many FPV quads seem to use Lipos, but as I'm not overly worried about weight and currently have no Lipo equipment, they seem a little a little too much hassle to get working, not to mention the safety aspects which could be an issue as I want this to be as kid friendly as possible.

Old 11-12-2017, 04:14 AM
Junior Member
Thread Starter
Join Date: Oct 2017
Posts: 2
Likes: 0
Received 0 Likes on 0 Posts

After doing more research, I figured out that is would be fine to use 3 x AAA.
That is 4.5v (3 x 1.5v), which is within the expected range of the transmitter and its power consumption is pretty low compared to what the batteries can supply, meaning it should last a fair while

So, yes. As I'm not concerned about weight, I can use AAA batteries which keeps things much simpler.
Old 12-05-2017, 05:22 PM
ican3d's Avatar
Join Date: Jun 2017
Posts: 358
Received 32 Likes on 32 Posts

It should be ok running Eachine ATX03 ROTG01 on 3x AAA battery, else you can power it from ESC's BEC since most of them put out 5V out to receiver unit, Here my simple FPV crawler i build for indoor.


Posting Rules
You may not post new threads
You may not post replies
You may not post attachments
You may not edit your posts

BB code is On
Smilies are On
[IMG] code is On
HTML code is Off

Thread Tools
Search this Thread

Contact Us - Archive - Advertising - Cookie Policy - Privacy Statement - Terms of Service -

Copyright © 2024 MH Sub I, LLC dba Internet Brands. All rights reserved. Use of this site indicates your consent to the Terms of Use.