Wio Tracker - Arduino Compatiable

Hi, my Wio Tracker has no firmware on it, I have 5 of them and 1 of them does not recognize when I connect with USB. Can you give me boot loader and how to upload it? Is there anyone can help? Thanks…

Hi there~

Here is the bootloader. For the pin connection, please follow below pictures. thanks.

<LINK_TEXT text=“https://github.com/SeeedDocument/Bazaar … loader.zip”>https://github.com/SeeedDocument/Bazaar_Document/raw/master/wioGPS%20bootloader.zip</LINK_TEXT>