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Sep 24, 2018, 11:08 PM
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iRangeX RM601 Receiver ( DSM ) Part 1

To play with I have the iRangeX RM601 7ch Receiver .
Ch1 - Throttle
Ch2 - Aileron
Ch3 - Elevator
Ch4 - Rudder

+ You have pins for PPM and Bind as well Ch5 and Ch6

Now my main goal here was to see how little voltage this receiver would work on and I think I learned a few things along the way ...

A) Current is more important than Voltage ...

I have a variable voltage power supply being used to feed power to the receiver ..
To start testing I fed some 5v @ 0.5Amp to the receiver ..

Receiver was initially set to DSMx and bound to my Jumper T8SG Plus ..
Two 9g servos were attached to the receiver ..

I got so many brown outs it was not funny ...
Tried DSM2 and the brown outs were literally twice as bad ..
I jacked the voltage to 6v and left the current to the Rx @ 0.5A
Yeah , you may have guessed , more brown outs ..

I then pushed the current to 0.9Amp and no more brown outs ... ( Bound back to DSMx )
I dropped the voltage to 5v and no brown outs ..
I dropped the voltage to 4.8v and no brown outs
I dropped the voltage to 4.6v and no brown outs
I dropped the voltage to 4.2v and no brown outs
I dropped the voltage to 4v and no brown outs
I dropped the voltage to 3.9v and no brown outs ( Sorry - did brown out @ 3.9v - 0.9A )
I dropped the voltage to 3.8v and got brown outs ( DSMx )

a) 3.8v and the 9g servos were still working ...

So I thought , hmmmmmm , maybe if I crank the current to 1.5A ...

DSMx , 1.5amp Max Current available to Rx

Starting at 3.9v and going all the way down to 3.2v = No Brown outs ..
At 3.2v the 9g servos were still working .. As was the receiver .

So what have I learned ? ( If anything )
Current - Feed the Rx some power ...

iRangeX RM601 ....
So I have heard this Rx suffers from brown outs
I can confirm that if you do not feed the RM601 enough power , it can suffer brown outs .
From my experiments , these brown outs are related to current draw ( power ) more so than the voltage to the Rx .
I am posting this before editing video . ( There will be video available shortly )

I am doing this for a few reasons ..
B) 1s capability
C) will 9g servos run 1s

There will be more experiments ..
A) attach a 1s battery
B) Voltage range --- How much voltage can you input ( they claim 10v ? ) but will that voltage go to the servos ? So I need to see if there is any voltage regulation to the servos . ( Can you run 2s directly ? )
C) How will it run with a 1s attached - will it brown out ? ( People want to know ? - maybe they do )

This has been interesting :

Watch this space for the video ...

iRangeX RM601 receiver testing Part 1 (4 min 44 sec)

Testing 1s next ( Part 2 )
Last edited by old4570; Sep 25, 2018 at 02:59 AM.
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Oct 01, 2018, 06:45 PM
Registered User
Very nice test of this receiver.
Interesting comparison of voltage VS amps.
Thanks for posting and Happy Flying!

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