[GH-ISSUE #181] NanoAP Flashed Only Pulse Blue No Wifi #1198

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sascha_hemi · 2026-03-20T19:05:38+01:00

sascha_hemi commented

2026-03-20 19:05:38 +01:00

Originally created by @peterchs on GitHub (Dec 18, 2023).
Original GitHub issue: https://github.com/OpenEPaperLink/OpenEPaperLink/issues/181

I'm trying to set up a nano ap.

I've flashed it via the web form.

Afterwards on boot the S2 mini led pulses blue then goes off. I see no wifi point available to configure it. I do not see anything over the serial connection while it boots. I also tried another S2 which has no tag connected, it does the same.

Any ideas?

S2 minis I bought, think they are correct spec
https://www.ebay.co.uk/itm/195402587878

Originally created by @peterchs on GitHub (Dec 18, 2023). Original GitHub issue: https://github.com/OpenEPaperLink/OpenEPaperLink/issues/181 I'm trying to set up a nano ap. I've flashed it via the web form. Afterwards on boot the S2 mini led pulses blue then goes off. I see no wifi point available to configure it. I do not see anything over the serial connection while it boots. I also tried another S2 which has no tag connected, it does the same. Any ideas? S2 minis I bought, think they are correct spec https://www.ebay.co.uk/itm/195402587878

sascha_hemi added the bug label 2026-03-20 19:05:38 +01:00

sascha_hemi closed this issue

2026-03-20 19:05:38 +01:00

sascha_hemi commented

2026-03-20 19:05:39 +01:00

@peterchs commented on GitHub (Dec 18, 2023):

Could have been cheated on the s2 mini - looks like it doesnt have any PSRAM, think the AP firmware needs 2MB. Presumably 0MB PSRAM would cause the behaviour I describe?

@peterchs commented on GitHub (Dec 18, 2023): Could have been cheated on the s2 mini - looks like it doesnt have any PSRAM, think the AP firmware needs 2MB. Presumably 0MB PSRAM would cause the behaviour I describe?

sascha_hemi commented

2026-03-20 19:05:39 +01:00

@atc1441 commented on GitHub (Dec 18, 2023):

Yes no ram will cause problems.
You can change the platformio.ini to compile for the S2 without PSRAM

@atc1441 commented on GitHub (Dec 18, 2023): Yes no ram will cause problems. You can change the platformio.ini to compile for the S2 without PSRAM

sascha_hemi commented

2026-03-20 19:05:39 +01:00

@peterchs commented on GitHub (Dec 18, 2023):

Thanks - closing as hardware issue.

@peterchs commented on GitHub (Dec 18, 2023): Thanks - closing as hardware issue.

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Reference: starred/OpenEPaperLink#1198