Trim problem with Devo 7E

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16 Nov 2018 16:29 #71762 by saidem
Trim problem with Devo 7E was created by saidem
On my Devo 7E sometimes when I press the TRIMRH button + it also acts on the TRIMLV + . I have the version 5.0, could you tell me if it is a software problem or if it is the micro switch button trim who is used?
Thank you so much.

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16 Nov 2018 21:21 #71765 by Gerry
Replied by Gerry on topic Trim problem with Devo 7E
Have you added extra switches to your 7e? If so which diodes did you use?

Devo 7e A7105 NRF24L01 CC2500 2x3 way & voice, Devo 12e 4 in 1 & voice.
FFS (Forever Fixing Stuff)

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17 Nov 2018 17:26 #71777 by saidem
Replied by saidem on topic Trim problem with Devo 7E
Hello,
Yes I added 2 extra switches. The diodes are 1N4002. But I do not think that it comes from that because I use it for 2 years and so far I had no problem. I'm waiting for your opinion.

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18 Nov 2018 23:24 #71802 by Gerry
Replied by Gerry on topic Trim problem with Devo 7E
1N4001 Diodes caused similar problems as yours for my 7e (it is documented somewhere about them) and others had the problem as well.
It is recommended to use 1N4148 diodes which solved the problem.

Do your trims play up when moving switch positions, or is there interaction of your trims when switches are in different positions?

Devo 7e A7105 NRF24L01 CC2500 2x3 way & voice, Devo 12e 4 in 1 & voice.
FFS (Forever Fixing Stuff)

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19 Nov 2018 17:29 - 21 Nov 2018 17:09 #71813 by saidem
Replied by saidem on topic Trim problem with Devo 7E
No, my trimmers don't play when I move the switch positions.
I tried again, when I play the 2 horizontal trims, sometimes it plays the vertical ones. Today I bought 1N4148 diodes and I hope to install them tomorrow.
Thank you for your assistance.
Last edit: 21 Nov 2018 17:09 by saidem.

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21 Nov 2018 17:11 #71835 by saidem
Replied by saidem on topic Trim problem with Devo 7E
I just replaced the diodes and everything seems to work fine. I've handled the trimmers a few times and it looks OK. I don't think I would have to replace the micro switches and I'm very happy about that.
Thank you very much for your help.
BTW Is it difficult to put the voice on a Devo 12S?

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21 Nov 2018 22:35 #71837 by Gerry
Replied by Gerry on topic Trim problem with Devo 7E
I don't know about voice on 12S, probably good to look through the voice alerts test build thread.

Devo 7e A7105 NRF24L01 CC2500 2x3 way & voice, Devo 12e 4 in 1 & voice.
FFS (Forever Fixing Stuff)

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