BTW, I find it pretty amazing that you can buy complete ESP32-S3-Zero boards on AliExpress for $5.33. That's for a little board with the chip, a ceramic antenna, a USB connector and an LED.
ESP32-C3-Zero are $2.80 each.
These prices are absolutely ridiculous for what you get. Also, the ease of use of these boards is incredible. Just connect them via USB to your computer and off you go.
Anecdotal, but believable, warning for those in the US
https://www.reddit.com/r/GlobalEntry/comments/1x4c062/us_ord...
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what do you do with them?
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Wait until you get into developing your own PCBs and discover the BK7238 for $0.81 :)