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you'll need a processor with at least 20KB RAM - a SAMD21 (M0) or SAMD51 (M4) chipset will do nicely
to boost the pixel brightness to retina-searing levels
2GB or 4GB of RAM
the valve is closed
great for debugging or developing BLE devices or apps
Adafruit Feather M4 Express - Featuring ATSAMD51 - ATSAMD51 Cortex M4 solder you'll need a processor withThe Feather M4 Express with an ATSAMD51 is fast like a swift, smart like an owl, strong like a ox bird (it's half ox, half bird, OK?) This feather is powered by the ATSAMD51J19 with its 120MHz Cortex M4 with floating point support and 512KB Flash and 192KB RAM. And best of all, it's a Feather so you know it will work with all FeatherWings! What a great way to quickly get up and running. The most exciting part of the Feather M4 is that while you can