Are you have issue flashing firmware via sd card? It may have corrupted boot loader.
Module
https://store.dremc.com.au/products/usb-to-ttl-ch340g-uart-serial-adapter
Bootloader: Please see attachment
Documentation: Please see attachment
Modified on: Mon, 12 Dec, 2022 at 5:49 PM
Are you have issue flashing firmware via sd card? It may have corrupted boot loader.
Module
https://store.dremc.com.au/products/usb-to-ttl-ch340g-uart-serial-adapter
Bootloader: Please see attachment
Documentation: Please see attachment
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