2023-07-09 14:44:15 +00:00
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## ZBS243 electronic shelf label
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### ref
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- https://github.com/jjwbruijn/OpenEPaperLink
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- https://github.com/atc1441/ZBS_Flasher3
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## hardware
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1. ESP32 + ≥ 4Mb PSRAM
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2. ELS ZBS243 as 802.15.4 modem connected to the ESP32
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3. multiple ELSs with flashed firmware
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2023-07-04 09:36:51 +00:00
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## mass flash event
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0. determine serial number from device
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2023-07-04 09:53:47 +00:00
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0. extract MAC (8byte) from flash 0x74004? (found @ 0xFC06, 4 bytes for MAC ?)
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2023-07-04 09:36:51 +00:00
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0. infopage MAC (8byte) from eeprom 0x10
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1. backup 64k flash
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2. backup 1k eeprom infopage (calibration data and possible MAC)
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3. merge and flash new firmware image
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## minor additional
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2023-07-09 14:43:07 +00:00
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- gpio max current for power
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2023-07-04 09:36:51 +00:00
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- add espressif dev board
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- simple power toggle
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- remote firmware update
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2023-07-06 08:03:24 +00:00
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- fix mapping txd and rxd in the serial println -> mostly wrong zbs-flasher labels
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- change uart1 pins and get the led working
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- lifepo4 battery mod?
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