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Index > MobiFlight General > How to remove Switch bounce ?
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Message #26951
Avatar
jojo86
Posts: 4
Hi,
I did a GNS530 for FS2020.
When I press my push buttons (just press and release immediately), mobiflight debug show the key with repeat values :

Exemple :
Debug 02/11/2022 16:30:58 Config found for Button: OBS (PRESS)@SN-cb7-b45
Debug 02/11/2022 16:30:58 Config found for Button: OBS (RELEASE)@SN-cb7-b45
Debug 02/11/2022 16:30:58 Config found for Button: OBS (PRESS)@SN-cb7-b45
Debug 02/11/2022 16:30:58 Config found for Button: OBS (RELEASE)@SN-cb7-b45
Debug 02/11/2022 16:30:58 Config found for Button: OBS (PRESS)@SN-cb7-b45
Debug 02/11/2022 16:30:58 Config found for Button: OBS (RELEASE)@SN-cb7-b45

Instead of :
Debug 02/11/2022 16:30:58 Config found for Button: OBS (PRESS)@SN-cb7-b45
Debug 02/11/2022 16:30:58 Config found for Button: OBS (RELEASE)@SN-cb7-b45

How can I solve this problem ?
Thank you very much.
2022-11-28 11:04
Message #26971
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slammer88
From: LTBJ, Turkey
Posts: 160
By connecting a small resistor between the input and the button/switch like 150ohm or something.
2022-12-05 14:09
Message #26993
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pizman82
Moderator
From: ETSI, Germany
Posts: 6010
Supporter
Is this Button on Pin 13 of a Arduino Mega Mini ?
Good Luck !
2022-12-07 19:25
Message #27522
Avatar
jojo86
Posts: 4
iconslammer88:

By connecting a small resistor between the input and the button/switch like 150ohm or something.


Ok, but where do I connect it ?
Between Wich pin ?
2023-03-06 15:57
Message #27523
Avatar
jojo86
Posts: 4
iconpizman82:

Is this Button on Pin 13 of a Arduino Mega Mini ?



Hi, it's for all my buttons...
Maybe I need to add pull up resistor ? Or pull down ?
Do you have a plan ?
2023-03-06 15:57
Message #27524
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pizman82
Moderator
From: ETSI, Germany
Posts: 6010
Supporter
iconjojo86:

iconpizman82:

Is this Button on Pin 13 of a Arduino Mega Mini ?



Hi, it's for all my buttons...



Thats strange.

There can be sometimes a Button with a flickering connection. But "all my buttons" ??

At first i would do some research. Maybe there is a issue on the Arduino Firmware if this happens always the same way ( 3 times Press and 3 times release).
Is this "effect" always the same ?

If its real Bouncing then it would be not straight.... Sometimes no bounce sometimes 1,2 or 3. But not always 3.
Good Luck !
2023-03-06 17:13
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Index > MobiFlight General > How to remove Switch bounce ?