Adafruit Metro M0 Express (PID 3505) - CircuitPython Ready ATSAMD21G18 Board for Easy Prototyping
Lightning-fast shipping for an international gadget. Totally worth the wait!– Aarav, Pune
Saved over ₹2k vs Amazon and got loyalty points for my next build.– Ria, Bengaluru
Rare color variant I couldn’t find anywhere else. Excellent packaging.– Kabir, Delhi
Customer support actually knew the tech specs. Impressive.– Meera, Hyderabad
EMI checkout was seamless. Excited for more exclusive drops!– Arjun, Mumbai
| #1 | ATSAMD21G18 ARM Cortex M0 processor clocked at 48 MHz and at 33V logic the same one used in the new Arduino Zero This chip has a whopping 256K of FLASH 8x more than the Atmega328 and 32K of RAM 16x as much |
|---|---|
| #2 | This chip comes with built in USB so it has USBtoSerial program debug capability built in with no need for an FTDIlike chip |
| #3 | Power the METRO with 79V polarity protected DC or the micro USB connector to any 5V USB source The 21mm DC jack has an onoff switch next to it so you can turn off your setup easily The METRO will automagically switch between USB and DC |
| #4 | METRO has 25 GPIO pins 12 of which are analog in and one of which is a true analog out Theres a hardware SPI port hardware I2C port and hardware UART Logic level is 33V |
| #5 | Easy reprogramming comes preloaded with the UF2 bootloader which looks like a USB storage key Simply drag firmware on to program no special tools or drivers needed It can be used to load up CircuitPython PXT MakeCode or Arduino IDE it is bossacompatible |
| Brand | Adafruit |
| Model | FBA_3505 |
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