[GH-ISSUE #562] Using a LilyGo T-Panel but not working #14185

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sascha_hemi · 2026-03-21T18:11:09+01:00

sascha_hemi commented

2026-03-21 18:11:09 +01:00

Originally created by @nigels0 on GitHub (Mar 21, 2026).
Original GitHub issue: https://github.com/OpenEPaperLink/OpenEPaperLink/issues/562

Hi,

I’m not sure that this is the best place to ask, but I’ve set up a lilygo t-panel to speak to some 4.2” openepaper displays. My issue seems to be output power of the t-panel (although I’m not sure) in that the displays VERY occasionally connect to the T-Panel, but even putting them very close to the t-panel, they are not connecting to get data - although they do pair to the T-panel initially. They are on the same channel as the t-panel (11) . The displays are showing: CH 11, RSSI -22, LQI 77, ≥2.6V

Any thoughts of what I can do to fix this?

Originally created by @nigels0 on GitHub (Mar 21, 2026). Original GitHub issue: https://github.com/OpenEPaperLink/OpenEPaperLink/issues/562 Hi, I’m not sure that this is the best place to ask, but I’ve set up a lilygo t-panel to speak to some 4.2” openepaper displays. My issue seems to be output power of the t-panel (although I’m not sure) in that the displays VERY occasionally connect to the T-Panel, but even putting them very close to the t-panel, they are not connecting to get data - although they do pair to the T-panel initially. They are on the same channel as the t-panel (11) . The displays are showing: CH 11, RSSI -22, LQI 77, ≥2.6V Any thoughts of what I can do to fix this?

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Reference: starred/OpenEPaperLink#14185