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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- Topics
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Communication between Grand Central and Arduino Mega
- 7 Replies
- 364 Views
- Last post by adafruit_support_mike
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Metro M4 Express USB disconnects during upload
- 5 Replies
- 271 Views
- Last post by DJDevon3
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Metro M4 Express AirLift USB error
- 36 Replies
- 599 Views
- Last post by lbkulinski
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Grand Central M4 BANNED Module & CircuitPython
- 3 Replies
- 198 Views
- Last post by joshmcintyre
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Grand Central M4 DOA?
- 16 Replies
- 398 Views
- Last post by navic
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Grand Central SERCOM Problems
- 1 Replies
- 168 Views
- Last post by dtlepley
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Beta boards
- 2 Replies
- 182 Views
- Last post by johnsondavies
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NEOPIX signal at PB22 on Metro M4
- 1 Replies
- 116 Views
- Last post by tsheets
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AGCM4 can't upload sketches
- 6 Replies
- 204 Views
- Last post by User_UMjT7KxnxP8YN8
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Powering Metro Mini 328 From Battery
- 4 Replies
- 224 Views
- Last post by javaman
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Grand Central - Replace Mega 2560 for 3D Printer
- 3 Replies
- 286 Views
- Last post by adafruit_support_mike
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Metro connection issues
- 7 Replies
- 200 Views
- Last post by Franklin97355
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Exact part number of QSPI flash on Metro M4?
- 6 Replies
- 213 Views
- Last post by User_UMjT7KxnxP8YN8
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QSPI interface on SAMD51
- 1 Replies
- 134 Views
- Last post by User_UMjT7KxnxP8YN8
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Arduino IDE stopped uploading to Metro
- 4 Replies
- 171 Views
- Last post by Franklin97355
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AGCM4: Tone and irq level 0
- 5 Replies
- 170 Views
- Last post by adafruit_support_mike
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Problem in sending and receiving commands from PC to Arduino
- 1 Replies
- 130 Views
- Last post by krish_Nachimuthu
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Grand Central TCC PWM Example? [Solved]
- 2 Replies
- 227 Views
- Last post by DropBear
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HX711 stopped working with 4 load sensors
- 5 Replies
- 172 Views
- Last post by adafruit_support_bill
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tone() on Metro M4
- 3 Replies
- 199 Views
- Last post by Alltimeisnow
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Metro M4 variant.cpp and/or schematic error?
- 1 Replies
- 137 Views
- Last post by adafruit_support_mike
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Burned Metro M4 by following the NeoPixel guide
- 1 Replies
- 157 Views
- Last post by adafruit_support_bill
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make not found in build mpy-cross
- 3 Replies
- 156 Views
- Last post by gingle
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XRAD'S GRAND CENTRAL GHOST
- 2 Replies
- 161 Views
- Last post by XRAD
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AGCM4 usb issues
- 3 Replies
- 175 Views
- Last post by GMagician
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What comes with an item
- 1 Replies
- 141 Views
- Last post by Franklin97355
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Adafruit Grand Central M4 Express - Touchscreen
- 4 Replies
- 295 Views
- Last post by MakerMelissa
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Backup SD card file with Metro M4 Airlift to internet
- 3 Replies
- 190 Views
- Last post by adafruit_support_mike
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Metro express M0 and arduino web editor, do they work togeth
- 2 Replies
- 167 Views
- Last post by gianluca105
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Arduino and QSPI Flash on Metro M0 Express and Metro M4 Expr
- 3 Replies
- 256 Views
- Last post by microscopist
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Metro 328 questions
- 1 Replies
- 132 Views
- Last post by adafruit_support_carter
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Ethernet shield for metro 328p?
- 1 Replies
- 149 Views
- Last post by adafruit_support_mike
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Noob asks: Digital I/0 pins beyond 13?
- 1 Replies
- 152 Views
- Last post by Franklin97355
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Grand Central M4 w/ 56 Relays?
- 2 Replies
- 191 Views
- Last post by blink515
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Metro M4 and DotStar matrices
- 3 Replies
- 217 Views
- Last post by adafruit_support_mike
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Metro M0 Express Arduino IDE compile issue
- 8 Replies
- 318 Views
- Last post by cdwille
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Metro M4 Express not working with 5V ready Micro-SD Breakout
- 2 Replies
- 177 Views
- Last post by PhillyG27
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USB baud rate Metro M4
- 10 Replies
- 311 Views
- Last post by gingle
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Metro 328 and Mac
- 4 Replies
- 222 Views
- Last post by adafruit_support_mike
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Metro setup issues - strange name in system report and now a
- 12 Replies
- 385 Views
- Last post by adafruit_support_mike
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ESP32 on Metro M4 Airlift Hanging Every Few Hours
- 6 Replies
- 239 Views
- Last post by KQRR4449
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Debug a week LD3320A speech recognition chip
- 0 Replies
- 128 Views
- Last post by eddy2019
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M4 Express using ISR's with register functionality
- 5 Replies
- 197 Views
- Last post by User_UMjT7KxnxP8YN8
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An additional SPI for Grand central M4
- 1 Replies
- 839 Views
- Last post by damien140715
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Grand Central M4 USB Unknown Device
- 2 Replies
- 236 Views
- Last post by tommynar
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Adding Serial1/2/3 support to Grand Central
- 5 Replies
- 447 Views
- Last post by MartinL2
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CIRCUITPYTHON Drive Corrupt Run Check Message
- 2 Replies
- 190 Views
- Last post by KQRR4449
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Metro M0 Amplification of DAC output?
- 1 Replies
- 180 Views
- Last post by adafruit_support_mike
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Grand Centrla M4: clocks initialization
- 2 Replies
- 189 Views
- Last post by GMagician
Please be positive and constructive with your questions and comments.
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