Metro, Metro Express, and Grand Central Boards
Moderators: adafruit_support_bill, adafruit
Please be positive and constructive with your questions and comments.
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3D Base for Grand Central
- 1 Replies
- 143 Views
- Last post by adafruit_support_mike
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Faulty board
- 2 Replies
- 176 Views
- Last post by adafruit_support_carter
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Grand Central I2S Pinout
- 1 Replies
- 164 Views
- Last post by adafruit_support_carter
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Metro Mini 328 Com Port not Showing
- 3 Replies
- 198 Views
- Last post by adafruit_support_mike
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Metro Mini not connecting via usb
- 4 Replies
- 163 Views
- Last post by adafruit_support_mike
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usb interface
- 1 Replies
- 179 Views
- Last post by adafruit_support_mike
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ItsyBitsy M4 Express SPI flash
- 1 Replies
- 154 Views
- Last post by adafruit_support_mike
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32-bit Controller Library Compatibility?
- 1 Replies
- 166 Views
- Last post by Franklin97355
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METRO 328 height w/o header or barrel jack
- 4 Replies
- 136 Views
- Last post by leef_me22
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Metro Express R0 Unsupported processor
- 6 Replies
- 870 Views
- Last post by adafruit_support_carter
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Metro M4 Express microSD Shield Board
- 4 Replies
- 232 Views
- Last post by neosamuri
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Metro M0 Express Data Logger
- 4 Replies
- 159 Views
- Last post by sound396
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Metro 328 - Suitable for use with QMK firmware?
- 2 Replies
- 143 Views
- Last post by sortofsleepy
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Grand Central M4 Express and audio library
- 1 Replies
- 207 Views
- Last post by adafruit_support_mike
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Grand Central Breakout Board
- 1 Replies
- 213 Views
- Last post by johnpark
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Metro M4 Express Arduino IDE upload failure
- 2 Replies
- 220 Views
- Last post by femyers01
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Assembly Language on the Metro M0 and M4
- 8 Replies
- 280 Views
- Last post by charley468
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Metro M4 Express - Power via Header?
- 2 Replies
- 238 Views
- Last post by Dudenski
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M4 Express Analog pins as digital?
- 2 Replies
- 170 Views
- Last post by WookieWrath
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cannot connect to Adafruit METRO 328
- 2 Replies
- 175 Views
- Last post by hliang
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Serial port problem with Metro M0 Express on MacOS
- 2 Replies
- 195 Views
- Last post by gvi
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Metro Mini 328 max. baud? PC control of DotStars too slow
- 5 Replies
- 283 Views
- Last post by digitalcircuit
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Metro does not show up under Ports and Coms
- 2 Replies
- 183 Views
- Last post by lloydc
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"grand central"? Mega format SAMD51? YES!
- 25 Replies
- 890 Views
- Last post by adafruit2
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Metro M4 express bad SCL pin
- 1 Replies
- 183 Views
- Last post by adafruit_support_carter
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Merto M4 external interrupts and circuitpython
- 2 Replies
- 203 Views
- Last post by ltheoret
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SAMD51 (CM4) and ZeroTimer library...
- 2 Replies
- 193 Views
- Last post by adafruit2
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Metro M0 Express Atmel Studio Serial Print Issue
- 4 Replies
- 230 Views
- Last post by westfw
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Adafruit Metro 328 Starter Pack Experiments
- 1 Replies
- 135 Views
- Last post by adafruit_support_mike
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Metro M4 Express C++ IDE Compiler Issues
- 3 Replies
- 198 Views
- Last post by westfw
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Pitft + circkit hat raspberry pi
- 18 Replies
- 456 Views
- Last post by adafruit2
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Metro 328 Not Recognized
- 7 Replies
- 211 Views
- Last post by mattlowery
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Unlock Metro M4 Express (Beta) to use w/JLink MIni EDU
- 0 Replies
- 135 Views
- Last post by KB1HFT
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BME280.test not compiling.
- 5 Replies
- 180 Views
- Last post by adafruit_support_mike
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Metro 328 repair
- 2 Replies
- 167 Views
- Last post by adafruit2
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Metro Mini Eagle Library
- 2 Replies
- 165 Views
- Last post by jps2000
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Metro M4 QSPI Flash and File Problems
- 4 Replies
- 237 Views
- Last post by bradstew
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Metro M4 USB Serial communication
- 2 Replies
- 240 Views
- Last post by tannewt
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METRO M0 EXPRESS - Power Jack vs Header Problem
- 12 Replies
- 337 Views
- Last post by adafruit_support_bill
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Can't connect my Metro 328 to my Mac
- 2 Replies
- 168 Views
- Last post by Adam_the_HipNerd
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Neotrellis M4 Not appearing on CPU
- 1 Replies
- 152 Views
- Last post by adafruit_support_carter
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Metro M4 Express Secondary SPI (legacy Arduino UNO pin confi
- 10 Replies
- 433 Views
- Last post by jrlitzenberger
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CIRC11 transistor wiring?
- 2 Replies
- 175 Views
- Last post by brubell
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Metro M0 Express ATMEL STUDIO with Segger JTAG
- 2 Replies
- 163 Views
- Last post by lotussys
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MetroX Serial Port Not Found on Mac OS 10.14.2
- 8 Replies
- 302 Views
- Last post by adafruit_support_mike
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Metro M4 Express Firmware
- 1 Replies
- 196 Views
- Last post by adafruit_support_mike
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Debugger options
- 3 Replies
- 186 Views
- Last post by adafruit_support_mike
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Metro Mini Error - avrdude: verification error
- 4 Replies
- 186 Views
- Last post by mkramer
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Metro Express M0 boot loop
- 0 Replies
- 138 Views
- Last post by mamu
Please be positive and constructive with your questions and comments.
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