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ESP32-C3:




The ESP32C3 is the "base model" for the Seeed ESP32 boards. They're all very compact and use USB-C to power
and upload.

Pros: slightly lower cost ($8 vs $10 for something like a C6), larger reset and boot buttons

Cons: slower CPU, no user-addressable onboard LED

Considering the pittance of cost savings, I suggest just getting a C6.



ESP32-C3 Seeed XIAO ($10 at Amazon)


ESP32-C3 Seeed XIAO (at Seeed Studio)


ESP32-C3 pinout:


ESP32-C3 Seeed XIAO:



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last updated 02/06/2026 at 18:33:14 by make_www_index.command version 2026.02.05.A