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
- Replies
- Views
- Last post
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SAMD51 (M4) board users: update your bootloaders to >=v3.9.0
- 30 Replies
- 18385 Views
- Last post by hnaseri
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beta experimental - https://maker.makecode.com
- 6 Replies
- 14297 Views
- Last post by bbutl58
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Grand Central and Serial2 lockup
- 4 Replies
- 33 Views
- Last post by stratosfear
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Metro Mini Boards Not Taking Programing
- 8 Replies
- 54 Views
- Last post by voodoofx
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Metro esp32 23 not responding
- 9 Replies
- 107 Views
- Last post by Birry
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Disable MCU Adafruit Metro M4 Express
- 1 Replies
- 22 Views
- Last post by dastels
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ble code not working
- 2 Replies
- 27 Views
- Last post by adafruit_support_carter
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Metro ESP32-S3 Boot Pad
- 2 Replies
- 32 Views
- Last post by DKDOTCOM
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Metro Minis inoperable.
- 8 Replies
- 114 Views
- Last post by mikehunt240
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Express ESP32-S3 2nd I2C bus
- 8 Replies
- 50 Views
- Last post by adafruit_support_carter
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MatrixPortal M4 + bluetooth & Matrixportal
- 0 Replies
- 35 Views
- Last post by Rebtop
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Metro M4+Matrix shield unable to use pin 1 for pushbutton
- 12 Replies
- 200 Views
- Last post by adafruit_support_carter
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Metro 328 will not work with 9v power supply
- 2 Replies
- 29 Views
- Last post by Goliver
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SoftwareWire does not work for Metro M4 express
- 1 Replies
- 36 Views
- Last post by mikeysklar
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Metro Battery Life
- 3 Replies
- 56 Views
- Last post by adafruit_support_bill
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Upload error on Mac using Arduino IDE and Metro
- 1 Replies
- 24 Views
- Last post by anniesullie
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Does Metro M4 Express AirLift work with the Whitebox labs T1 shield?
- 0 Replies
- 23 Views
- Last post by ahmedswift
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How to run a WebServer on M4 Metro Airlift board?
- 7 Replies
- 167 Views
- Last post by mikeysklar
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Metro ESP32-S2 Analog input attentuation problem
- 6 Replies
- 203 Views
- Last post by Hobscure
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TouchPaint rewrite for Metro RP2040 with 2.8" TFT ILI9341 TSC2007
- 2 Replies
- 234 Views
- Last post by piotrowski
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M4 Airlift Lite vs ESP32-S3 Trade in Program
- 4 Replies
- 147 Views
- Last post by adafruit2
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M4 Airlift no USB connection with stacked GSM/LTE/GPS shield
- 0 Replies
- 93 Views
- Last post by polumi
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M7 and MCU Xpresso IDE for C/C++ advanced embedded development.
- 0 Replies
- 25 Views
- Last post by jmgarcia
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M4 updated firmware NINA W102-1.7.7
- 3 Replies
- 97 Views
- Last post by danhalbert
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SAMD51 with date code 23xx hang with neopixel DMA
- 1 Replies
- 47 Views
- Last post by slyalfa
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Reading both ADCs at the same time
- 6 Replies
- 113 Views
- Last post by Willit
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Metro ESP32-S3 - Multiple SPI
- 1 Replies
- 45 Views
- Last post by dastels
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Speaker chop on Metro RP2040
- 2 Replies
- 74 Views
- Last post by lowasser
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Metro RP2040 with redefined SPI pins
- 10 Replies
- 211 Views
- Last post by laurchar
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MatrixPortal M4 stuck in MATRIXBOOT mode
- 7 Replies
- 93 Views
- Last post by mikeysklar
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Can't download adafruit SAMD boards for Metro M4
- 5 Replies
- 89 Views
- Last post by metaldog
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Product Request: Grand Central with SAME51P20 For CAN
- 0 Replies
- 54 Views
- Last post by rymar58
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Wiring diagram for 74165 with Grand Central
- 4 Replies
- 111 Views
- Last post by adafruit2
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Metro Grand Central M4: Using QSPI with external SD Card?
- 5 Replies
- 157 Views
- Last post by adafruit_support_mike
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Metro RP2040 - math library
- 10 Replies
- 357 Views
- Last post by westfw
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do I have enough pinouts on the metro m4
- 6 Replies
- 86 Views
- Last post by Dfortin
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Metro Grand Central M4: SD Card Read Benchmark
- 10 Replies
- 172 Views
- Last post by rymar58
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matrix portal m4 & 3 x AAA Battery Holder with On/Off Switch and 2-Pin JST
- 2 Replies
- 119 Views
- Last post by Rebtop
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WiFiNina Debug On an M4 Airlift Lite
- 8 Replies
- 531 Views
- Last post by adafruit2
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Can't get my Arduino IDE to see my Metro ESP32-S3 board
- 1 Replies
- 133 Views
- Last post by adafruit_support_carter
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Brand New Metro Mini not uploading
- 10 Replies
- 226 Views
- Last post by phillip_riehl
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Raspberry Pi to Metro M4 Express SPI communications
- 3 Replies
- 259 Views
- Last post by mikeysklar
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Terminal Blocks for Feather and Grand Central
- 2 Replies
- 176 Views
- Last post by Fozz
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New Metro ESP32-S2 - missing charge LED, no monitoring
- 2 Replies
- 166 Views
- Last post by adafruit_support_carter
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METRO 328 + GPS logger shield or data logging shield with GPS breakout?
- 2 Replies
- 177 Views
- Last post by danbjoseph
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Question about Rp2040 Metro
- 2 Replies
- 217 Views
- Last post by tannenba
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Arduino code hangs when activating SH1107 display
- 10 Replies
- 329 Views
- Last post by TuckNathan
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Metro ESP32-S3 as MIDI Device
- 3 Replies
- 335 Views
- Last post by peterboie
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Need help with 2.8 TFT ILI9341 with SPI on D11-13
- 16 Replies
- 556 Views
- Last post by adafruit2
Please be positive and constructive with your questions and comments.
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