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15 Feb 2022 14:26 #234930 by remon_v

It could be that just the usb connection was not supplying enough power

So the inputs rely on the 5V USB and not the 12/24V?

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15 Feb 2022 14:38 - 15 Feb 2022 14:42 #234935 by Clive S


 




It could be that just the usb connection was not supplying enough power So the inputs rely on the 5V USB and not the 12/24V?




For the inputs to work you need both as you have seen you get 9V with the 24v connected which is correct.

Please use a 5V supply instead of the USB

This could have been sorted out 50 posts ago. I know you are trying but I feel like I am pulling hens teeth out
Last edit: 15 Feb 2022 14:42 by Clive S.

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15 Feb 2022 14:55 - 15 Feb 2022 14:59 #234939 by remon_v
Uuuh I hope I'm not frustrating you, if I am, I'm really sorry. I really appreciate the help!
I will try it, but first I need a new BOB... When you posted it, I just fried my BOB (stupid)

But now I know why you are not keen on the USB, it didn't know that 50 posts ago...
Last edit: 15 Feb 2022 14:59 by remon_v.

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15 Feb 2022 15:57 - 15 Feb 2022 16:29 #234943 by remon_v
I've updated the schematics:  

 
Attachments:
Last edit: 15 Feb 2022 16:29 by remon_v.

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15 Feb 2022 16:04 - 15 Feb 2022 16:06 #234945 by Clive S
Perfect 

How did you burn the Bob up?
Last edit: 15 Feb 2022 16:06 by Clive S.

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15 Feb 2022 16:19 #234948 by remon_v
I connected the - from the 24V power supply to GND next to the input pins...

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15 Feb 2022 16:29 - 15 Feb 2022 18:26 #234949 by Clive S

I connected the - from the 24V power supply to GND next to the input pins...

Are you sure you did not connect the+

Last edit: 15 Feb 2022 18:26 by Clive S.

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15 Feb 2022 16:34 - 15 Feb 2022 16:49 #234950 by remon_v
Yes I'm pretty sure...
I can't check anymore, but I have + and - terminal blocks... and I have connected it to -

But I do have to say that here in NL you can plug-in the power socket 2 ways... (EU socket) If you know what I mean
Last edit: 15 Feb 2022 16:49 by remon_v.

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15 Feb 2022 17:41 #234959 by Clive S

Yes I'm pretty sure...
I can't check anymore, but I have + and - terminal blocks... and I have connected it to -

But I do have to say that here in NL you can plug-in the power socket 2 ways... (EU socket) If you know what I mean


Yes but is AC so should not matter The DC will be still +ve and _ve

How long do you have to wait for the new bob ?

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