Hermes Ctrl Outputs

Placement, modules, components and accessories; the ones that exist and the the nice-to-be's
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bobltx
Posts: 8
Joined: Wed Jun 15, 2016 3:57 pm

Hermes Ctrl Outputs

Post by bobltx » Sun Jun 23, 2019 12:10 pm

For some unknown reason E1 pins 11,13,15 and 17 are sitting at low on my RP with the SDR application. They were switching the band pass filters quite happily for the last couple of years
now they will not change. Pins 7 and 9 still function with no problem. The pins in question were
driving a CD4028B as part of the switching curcuit.
I have tried another SD card image in case it was a software fault.
Does this mean my RP is now not suitable for purpose and is now to be assigned to the bin :roll: ?

redpitaya
Site Admin
Posts: 316
Joined: Wed Mar 26, 2014 7:04 pm

Re: Hermes Ctrl Outputs

Post by redpitaya » Wed Oct 02, 2019 9:18 am

Thank you for posting!

Definitely it is not a question about not suitable for purpose. Actually what you are doing is a very nice use case of the IO. It might have been an early release missing functionality.

bobltx
Posts: 8
Joined: Wed Jun 15, 2016 3:57 pm

Re: Hermes Ctrl Outputs

Post by bobltx » Wed Oct 02, 2019 11:35 am

Thanks for the reply.

Could you clarify a little more i.e. can "missing functionality" be sorted by a firmware update?
It was working very well and in use most days without problem but the low pass filters now have to be manually switched. :geek:

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