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If you’ve been following the recent wave of ultra-low-power, Wi-Fi + BLE combo boards, you’ve likely stumbled upon the designation C3E-MB-PCB-V4 . At first glance, it looks like a typical parts-bin serial number. But after spending a week with this board, it’s clear this isn't just another ESP32-C3 breakout.
Have you received a V4 board yet? Did you hit the silkscreen bug? Let me know in the comments below. c3e-mb-pcb-v4
(Deducting points for the GPIO19 label swap and the missing 5V shifter). If you’ve been following the recent wave of
