Author Topic: Loneoceans UD 2.7 rev c issue  (Read 258 times)

Offline mthome4

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Loneoceans UD 2.7 rev c issue
« on: August 09, 2022, 03:11:56 PM »
Hello,
I received the UD 2.7 and when I plug it in, the signal LED blinking randomly without being connected to the interrupter, I don't understand why it does that, how can we fix the problem?
Thanks.
« Last Edit: August 09, 2022, 05:17:04 PM by mthome4 »
Mathieu Thomé

Offline mthome4

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Re: Loneoceans UD 2.7 rev c issue
« Reply #1 on: August 17, 2022, 06:05:07 PM »
Hello, small update of the problem:

I tried plugging the output of the desoldered optical receiver into my oscilloscope and I see plenty of little spikes that weren't supposed to be there.

So I bought and replaced the optical receiver and everything works fine.
You can see that the signal LED is not on:

Maybe the receiver got electrostatic discharge during shipping or something similar.


Mathieu Thomé

Offline futurist

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Re: Loneoceans UD 2.7 rev c issue
« Reply #2 on: August 18, 2022, 02:07:10 AM »
Hello

I'm glad that you solved the issue but I'm still not sure what happened with the 2412 receiver
Can you post some more details? Perhaps you could try scoping the faulty receiver while it's connected to the interrupter

In future when posting such questions please include as much details as possible, photos of the setup, scope shots, etc.
It's impossible to tell what's wrong with the driver based on the info you provided in the first post

Offline mthome4

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Re: Loneoceans UD 2.7 rev c issue
« Reply #3 on: August 18, 2022, 10:34:00 AM »
I completely agree with you, I had just registered on the forum and I rushed to publish my problem, I should have taken more time to better explain the problem.

For the receiver, I also tried to connect the output signal on my scope with the interrupter, there is the signal of the interrupter but at the same time there is always the same weird signal with the spikes.

I will probably post more details on the construction of my drsstc soon.
Mathieu Thomé

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Re: Loneoceans UD 2.7 rev c issue
« Reply #3 on: August 18, 2022, 10:34:00 AM »

 


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