![]() There’s a hardware SPI port, hardware I2C port and hardware UART. METRO has 25 GPIO pins, 8 of which are analog in, and two of which is a true analog out.The METRO will automagically switch between USB and DC. The 2.1 mm DC jack has an on/off switch next to it so you can turn off your setup easily. Power the METRO M4 with 7-9 V polarity protected DC or the micro USB connector to any 5 V USB source.Built in crypto engines with AES (256 bit), true RNG, Pubkey controller.10-bit Parallel capture controller (for camera/video in).Floating point support with Cortex M4 DSP instructions.It’s got analog pins where you expect, and SPI/UART/I2C hardware support in the same spot as the Metro 328 and M0. ![]() This Metro is the same size as the others, and is compatible with all our shields. And what better way to improve it than to add wireless? Now cooked in directly on board, you get a certified WiFi module that can handle all your TLS and socket needs, it even has root certificates pre-loaded. ![]() With a train-load of FLASH and RAM, your code will be fast and roomy. ![]() You already know about the Adafruit Metro M4 featuring the Microchip ATSAMD51, with it’s 120 MHz Cortex M4 with floating point support. Give your next project a lift with AirLift - Adafruit’s witty name for the ESP32 co-processor that graces this Metro M4. ![]()
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