To do symetrical voltmeter gauge

I am new on Grafana, I built my first dashboard. Someone can explain to me please to configure voltmeter gauge with symmtrical color, nominal center 6V (example attached) , orange +/- 1V, red +/- sold
My data are extracted from Influxdb.
Thank you very much.
Capture d’écran 2024-02-06 à 22.34.32

Welcome @franck42 to the Grafana forum.

Have you seen / tried this?

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Tnx’ grant2 for the link.
I have tested ok for center values, but impossible to adapt color like with thresholds:
I can’t get the colors right:
3.8 to 4.2 >> green
3.5 to 3.8 and 4.2 to 4.5 >> orange
3 to 3.5 and 4.5 to 5 >> red

I have found with adjustment gauge treshold colors, perfect, thank’s

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Hi @franck42 For the benefit of future readers, can you post a screenshot of your final settings and the working gauge?

Sure, see attached pictures.
Capture d’écran 2024-02-09 à 13.35.35

Neutral in center=6V