Stamp-Sized ESP32 Super Mini Boards Tested: Range, Programming Tips & Best Pick

Are these stamp-sized ESP32 boards a clever way to shrink your project, or just a small headache waiting to happen? In my last video, I tried to bridge 36,000 km using one of these small boards — and it didn’t go well. So today, let’s test a bunch of them and see which ones are actually worth using.

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Links:
C3-2: https://s.click.aliexpress.com/e/\_oD1YgTX
C3-3, H2-2, S3-1, S3-2, C3-4: https://s.click.aliexpress.com/e/\_oD8nJzr
C3-1, C6-2, S3-3, H2-1: https://www.aliexpress.com/item/1005007594303790.html
C3-5: https://s.click.aliexpress.com/e/\_oosMNWt
C3-6: https://s.click.aliexpress.com/e/\_oDM801T
ESP32 conventional mini: https://s.click.aliexpress.com/e/\_okynshx
Keyes ESP32 Devkit: https://s.click.aliexpress.com/e/\_oFEj6yD

XIAO Boards: https://s.click.aliexpress.com/e/\_oBrX665
RP2040: https://s.click.aliexpress.com/e/\_oD4UyMt

Comparison sheet: https://drive.google.com/file/d/1MAl9VdMY86kN40ZD8yjXXc\_sdLMqZ-X2/view?usp=sharing

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