01-09-2025, 12:57 AM
(01-09-2025, 12:36 AM)admin Wrote: 1. install USB driver, download link: https://www.wch-ic.com/downloads/CH341SER_EXE.html
2. if you use MAC OS, you can use python tool to download esp32 firmware. another way, MAC OS also can install plugin for running Windows PC exe file.
3. ONLY download ESP32 firmware by USB-C cable. NOT by RS232.
My apologies: I had tried three different USB cables and two different computers. So, I unplugged a working device and used that cable instead, and it worked. Apparently I have three bad cables. I should be able to upgrade now.
Thank you,
+j