Adafruit Feather STM32F405 Express

Marsoni

M251S

$41.00

Get it in 3 business days with 1 day shipping. Friday, May 29

Adafruit Feather STM32F405 ExpressST takes flight in this Feather board. The new STM32F405 Feather runs CircuitPython at a blazing 168MHz our fastest CircuitPython board ever! It features a STEMMA QT Qwiic port for easy plug and play I2C sensor connectivity. STM32F405 Cortex M4 with FPU and 1MB Flash, 168MHz speed 192KB RAM total (128 KB general usage + 64 KB program only cache RAM) 3. 3V logic with almost all pins 5V compliant USB C power and data (first USB C Feather!) LiPo

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These are quite nice and also sturdy. Only complaint I have is that I bought a couple of these, and on one of them, only one of them, it was difficult to get the hidden mounts to go into the holes. I think it was probably a manufacturing defect thing. Also, on that particular one, it wasnt as level as the other. Not a show stopper, but if you need a perfectly level type of mounting situation, I would be careful here.

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Reviewed in the United States on September 14, 2025

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NatKenneally

Pawtucket, US

★★★★★ 5

Great value/easy to install.

Size: 24x6 2Pcs, Color: Black, Size: 24x6 2Pcs, Color: Black

Great product and great value. Easy to install and adds a nice touch to a bathroom.

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Reviewed in the United States on March 21, 2026

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