Metro and Metro Express, Grand Central

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SAMD51 (M4) board users: update your bootloaders to >=v3.9.0
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2

3

by danhalbert » Fri May 08, 2020 12:55 pm

Last post by hnaseri « Tue Apr 27, 2021 10:58 am

by danhalbert » Fri May 08, 2020 12:55 pm
30 Replies

13249 Views

Last post by hnaseri
Tue Apr 27, 2021 10:58 am
beta experimental - https://maker.makecode.com

by adafruit » Tue Jan 23, 2018 9:37 pm

Last post by bbutl58 « Sun Jun 24, 2018 6:55 am

by adafruit » Tue Jan 23, 2018 9:37 pm

6 Replies

11869 Views

Last post by bbutl58
Sun Jun 24, 2018 6:55 am
Metro M4 express USB modem does not appear in dev

by jamesfreeman » Sun Nov 27, 2022 7:22 pm

Last post by jamesfreeman « Wed Nov 30, 2022 12:50 pm

by jamesfreeman » Sun Nov 27, 2022 7:22 pm

13 Replies

55 Views

Last post by jamesfreeman
Wed Nov 30, 2022 12:50 pm
Secure bootloader encrypted firmware

by Simon88 » Tue Nov 29, 2022 10:51 am

Last post by User_UMjT7KxnxP8YN8 « Tue Nov 29, 2022 3:28 pm

by Simon88 » Tue Nov 29, 2022 10:51 am

1 Replies

4 Views

Last post by User_UMjT7KxnxP8YN8
Tue Nov 29, 2022 3:28 pm
Esp32-s2 uf2 damaged

by remagg » Wed Nov 23, 2022 8:29 pm

Last post by mikeysklar « Sat Nov 26, 2022 2:23 pm

by remagg » Wed Nov 23, 2022 8:29 pm

1 Replies

85 Views

Last post by mikeysklar
Sat Nov 26, 2022 2:23 pm
HELP! Metro M4 Bootloader

by cliff52 » Fri Nov 18, 2022 9:30 am

Last post by adafruit_support_carter « Fri Nov 18, 2022 4:34 pm

by cliff52 » Fri Nov 18, 2022 9:30 am

2 Replies

80 Views

Last post by adafruit_support_carter
Fri Nov 18, 2022 4:34 pm
Metro ESP32 S2 impossible to flash

by Jardi » Thu Nov 17, 2022 1:29 pm

Last post by Jardi « Fri Nov 18, 2022 6:00 am

by Jardi » Thu Nov 17, 2022 1:29 pm

2 Replies

17 Views

Last post by Jardi
Fri Nov 18, 2022 6:00 am
Mini Metro Sporatic Execution

by carl_e » Mon Nov 14, 2022 1:12 am

Last post by adafruit_support_bill « Mon Nov 14, 2022 2:41 pm

by carl_e » Mon Nov 14, 2022 1:12 am

4 Replies

20 Views

Last post by adafruit_support_bill
Mon Nov 14, 2022 2:41 pm
Adafruit METRO 328 + NeoPXL8 Friend

by mjk7ha » Sun Nov 13, 2022 10:00 pm

Last post by dastels « Mon Nov 14, 2022 9:16 am

by mjk7ha » Sun Nov 13, 2022 10:00 pm

3 Replies

23 Views

Last post by dastels
Mon Nov 14, 2022 9:16 am
Metro express M0

by EdCantillo » Tue Nov 08, 2022 4:04 pm

Last post by mikeysklar « Wed Nov 09, 2022 10:26 pm

by EdCantillo » Tue Nov 08, 2022 4:04 pm

3 Replies

49 Views

Last post by mikeysklar
Wed Nov 09, 2022 10:26 pm
Metro M0 express

by EdCantillo » Wed Nov 09, 2022 10:12 am

Last post by EdCantillo « Wed Nov 09, 2022 10:12 am

by EdCantillo » Wed Nov 09, 2022 10:12 am

0 Replies

21 Views

Last post by EdCantillo
Wed Nov 09, 2022 10:12 am
Metro M4 Express AirLift (WiFi) - No bootloader showing

by bobs737 » Thu Nov 03, 2022 3:44 pm

Last post by bobs737 « Tue Nov 08, 2022 8:41 pm

by bobs737 » Thu Nov 03, 2022 3:44 pm

4 Replies

49 Views

Last post by bobs737
Tue Nov 08, 2022 8:41 pm
Will Metro 328 run two analog feedback micro servos?

by andy_c » Mon Nov 07, 2022 2:11 pm

Last post by adafruit_support_bill « Mon Nov 07, 2022 8:02 pm

by andy_c » Mon Nov 07, 2022 2:11 pm

1 Replies

23 Views

Last post by adafruit_support_bill
Mon Nov 07, 2022 8:02 pm
MetroX Classic Kit meets average idiot

by PeterBaird » Wed Oct 19, 2022 3:19 am

Last post by adafruit_support_mike « Mon Oct 31, 2022 9:44 pm

by PeterBaird » Wed Oct 19, 2022 3:19 am

3 Replies

245 Views

Last post by adafruit_support_mike
Mon Oct 31, 2022 9:44 pm
Esp 32 integration

by Dick_Long » Mon Oct 24, 2022 3:56 pm

Last post by mikeysklar « Fri Oct 28, 2022 8:18 pm

by Dick_Long » Mon Oct 24, 2022 3:56 pm

4 Replies

45 Views

Last post by mikeysklar
Fri Oct 28, 2022 8:18 pm
Metro ESP32-S2 Express opens file explorer when plugged in

by npcostes » Thu Oct 27, 2022 6:08 pm

Last post by mikeysklar « Thu Oct 27, 2022 8:50 pm

by npcostes » Thu Oct 27, 2022 6:08 pm

1 Replies

25 Views

Last post by mikeysklar
Thu Oct 27, 2022 8:50 pm
SPI Flash Examples missing (fatfs_format, etc), can't write SPIFlash...

by tomjennings » Tue Oct 25, 2022 9:34 pm

Last post by mikeysklar « Thu Oct 27, 2022 1:54 pm

by tomjennings » Tue Oct 25, 2022 9:34 pm

9 Replies

38 Views

Last post by mikeysklar
Thu Oct 27, 2022 1:54 pm
Metro stopped booting/serial connection issue. Next troubleshooting steps?

by Big_Cnorth » Sun Oct 23, 2022 9:28 pm

Last post by Big_Cnorth « Sun Oct 23, 2022 11:53 pm

by Big_Cnorth » Sun Oct 23, 2022 9:28 pm

1 Replies

21 Views

Last post by Big_Cnorth
Sun Oct 23, 2022 11:53 pm
Metro Mini - Issues Displaying Battery Parameters

by tylerdileo » Sat Oct 22, 2022 6:14 pm

Last post by tylerdileo « Sun Oct 23, 2022 4:30 pm

by tylerdileo » Sat Oct 22, 2022 6:14 pm

7 Replies

44 Views

Last post by tylerdileo
Sun Oct 23, 2022 4:30 pm
Nonblocking I2C on the M0 Express

by feijai0 » Sat Oct 22, 2022 10:56 pm

Last post by feijai0 « Sat Oct 22, 2022 10:56 pm

by feijai0 » Sat Oct 22, 2022 10:56 pm

0 Replies

22 Views

Last post by feijai0
Sat Oct 22, 2022 10:56 pm
TLC59711 on Metro Express

by rbardsley » Tue Oct 18, 2022 4:16 pm

Last post by rbardsley « Wed Oct 19, 2022 6:48 pm

by rbardsley » Tue Oct 18, 2022 4:16 pm

2 Replies

30 Views

Last post by rbardsley
Wed Oct 19, 2022 6:48 pm
Serial Read Issue

by JPF100 » Mon Oct 17, 2022 5:27 pm

Last post by JPF100 « Wed Oct 19, 2022 10:53 am

by JPF100 » Mon Oct 17, 2022 5:27 pm

3 Replies

32 Views

Last post by JPF100
Wed Oct 19, 2022 10:53 am
Two Ground Pins On Metro Mini

by axetronic » Wed Oct 12, 2022 11:44 pm

Last post by axetronic « Thu Oct 13, 2022 1:11 am

by axetronic » Wed Oct 12, 2022 11:44 pm

2 Replies

131 Views

Last post by axetronic
Thu Oct 13, 2022 1:11 am
Alternate bootloader for SAMDx1?

by tomjennings » Tue Oct 11, 2022 5:57 pm

Last post by mikeysklar « Wed Oct 12, 2022 4:20 pm

by tomjennings » Tue Oct 11, 2022 5:57 pm

3 Replies

45 Views

Last post by mikeysklar
Wed Oct 12, 2022 4:20 pm
Metro and 320X240 Color Display

by WilliamSchott » Wed Oct 12, 2022 2:58 am

Last post by mikeysklar « Wed Oct 12, 2022 3:47 pm

by WilliamSchott » Wed Oct 12, 2022 2:58 am

1 Replies

28 Views

Last post by mikeysklar
Wed Oct 12, 2022 3:47 pm
M4 GrandCentral and MusicMaker Shield (How to access SD)

by mikarmin » Tue Oct 11, 2022 4:17 pm

Last post by mikarmin « Tue Oct 11, 2022 6:59 pm

by mikarmin » Tue Oct 11, 2022 4:17 pm

6 Replies

49 Views

Last post by mikarmin
Tue Oct 11, 2022 6:59 pm
Adafruit Metro No comm port detected

by DBJenkins365 » Fri Oct 07, 2022 3:35 pm

Last post by adafruit_support_carter « Mon Oct 10, 2022 1:58 pm

by DBJenkins365 » Fri Oct 07, 2022 3:35 pm

1 Replies

56 Views

Last post by adafruit_support_carter
Mon Oct 10, 2022 1:58 pm
Metro M4 custom blinky

by BruMel » Fri Oct 07, 2022 10:55 am

Last post by westfw « Sat Oct 08, 2022 4:12 am

by BruMel » Fri Oct 07, 2022 10:55 am

1 Replies

32 Views

Last post by westfw
Sat Oct 08, 2022 4:12 am
5v inputs from shield

by flyboy1974 » Thu Oct 06, 2022 5:47 pm

Last post by flyboy1974 « Fri Oct 07, 2022 5:32 am

by flyboy1974 » Thu Oct 06, 2022 5:47 pm

2 Replies

22 Views

Last post by flyboy1974
Fri Oct 07, 2022 5:32 am
Neopixel matrix has no reaction with M0 Express

by mushZeng » Thu Oct 06, 2022 6:01 pm

Last post by adafruit_support_carter « Thu Oct 06, 2022 6:29 pm

by mushZeng » Thu Oct 06, 2022 6:01 pm

1 Replies

23 Views

Last post by adafruit_support_carter
Thu Oct 06, 2022 6:29 pm
Is I2S supported on Grand Central M4 Express ?

by 3pb » Tue Sep 27, 2022 4:51 pm

Last post by mikeysklar « Sun Oct 02, 2022 4:29 pm

by 3pb » Tue Sep 27, 2022 4:51 pm

9 Replies

86 Views

Last post by mikeysklar
Sun Oct 02, 2022 4:29 pm
Metro mini v2 and multiple stemma/I2C

by idarlund » Thu Sep 29, 2022 10:26 am

Last post by idarlund « Fri Sep 30, 2022 8:34 am

by idarlund » Thu Sep 29, 2022 10:26 am

5 Replies

58 Views

Last post by idarlund
Fri Sep 30, 2022 8:34 am
metro mini v2 + featherwing oled buttons

by idarlund » Wed Sep 28, 2022 4:46 pm

Last post by dastels « Thu Sep 29, 2022 9:39 am

by idarlund » Wed Sep 28, 2022 4:46 pm

6 Replies

49 Views

Last post by dastels
Thu Sep 29, 2022 9:39 am
Is my Grand Central Bricked

by sbarbaro » Tue Sep 20, 2022 3:37 pm

Last post by adafruit_support_carter « Mon Sep 26, 2022 11:47 am

by sbarbaro » Tue Sep 20, 2022 3:37 pm

3 Replies

45 Views

Last post by adafruit_support_carter
Mon Sep 26, 2022 11:47 am
Adafruit_ZeroI2S I2SMCK0 Grand Central M4 Express

by 3pb » Fri Sep 23, 2022 12:35 am

Last post by 3pb « Sun Sep 25, 2022 9:56 pm

by 3pb » Fri Sep 23, 2022 12:35 am

2 Replies

36 Views

Last post by 3pb
Sun Sep 25, 2022 9:56 pm
Metro mini no longer detected via USB

by JD209 » Sun Sep 11, 2022 10:40 am

Last post by mikeysklar « Sat Sep 24, 2022 10:45 am

by JD209 » Sun Sep 11, 2022 10:40 am

14 Replies

151 Views

Last post by mikeysklar
Sat Sep 24, 2022 10:45 am
MetroM4 Express No longer recognized

by wzeiger » Thu Sep 22, 2022 6:40 pm

Last post by mikeysklar « Fri Sep 23, 2022 3:06 pm

by wzeiger » Thu Sep 22, 2022 6:40 pm

5 Replies

46 Views

Last post by mikeysklar
Fri Sep 23, 2022 3:06 pm
Plugging Neopixels into ESP32-S2 Metro?
1

2

by dfeldman » Fri Sep 02, 2022 1:21 pm

Last post by dastels « Sun Sep 18, 2022 6:12 pm

by dfeldman » Fri Sep 02, 2022 1:21 pm
17 Replies

111 Views

Last post by dastels
Sun Sep 18, 2022 6:12 pm
Metro M0 only runs sketch when connected to computer

by cdwille » Wed Sep 14, 2022 1:36 pm

Last post by cdwille « Fri Sep 16, 2022 1:31 pm

by cdwille » Wed Sep 14, 2022 1:36 pm

3 Replies

38 Views

Last post by cdwille
Fri Sep 16, 2022 1:31 pm
Bootloader Source Code for Grand Central Board

by Bhindhiya » Wed Jun 15, 2022 5:16 am

Last post by Newbie_SAM « Fri Sep 16, 2022 1:18 am

by Bhindhiya » Wed Jun 15, 2022 5:16 am

5 Replies

186 Views

Last post by Newbie_SAM
Fri Sep 16, 2022 1:18 am
please add important ISR info to main product page

by 3pb » Sun Sep 11, 2022 12:15 pm

Last post by adafruit2 « Thu Sep 15, 2022 7:49 pm

by 3pb » Sun Sep 11, 2022 12:15 pm

2 Replies

54 Views

Last post by adafruit2
Thu Sep 15, 2022 7:49 pm
32.768 Crystal specifications

by mjohnson265 » Tue Sep 13, 2022 5:18 pm

Last post by mikeysklar « Thu Sep 15, 2022 4:27 pm

by mjohnson265 » Tue Sep 13, 2022 5:18 pm

1 Replies

21 Views

Last post by mikeysklar
Thu Sep 15, 2022 4:27 pm
No Connection to PC

by NoahHK97 » Thu Sep 01, 2022 12:34 am

Last post by mikeysklar « Thu Sep 08, 2022 6:37 pm

by NoahHK97 » Thu Sep 01, 2022 12:34 am

6 Replies

97 Views

Last post by mikeysklar
Thu Sep 08, 2022 6:37 pm
GFX SPITFT slow on Grand Central (Arduino IDE)

by fvzeppelin » Mon Sep 05, 2022 12:13 pm

Last post by fvzeppelin « Tue Sep 06, 2022 11:41 am

by fvzeppelin » Mon Sep 05, 2022 12:13 pm

1 Replies

180 Views

Last post by fvzeppelin
Tue Sep 06, 2022 11:41 am
How to change SPI clock source on custom SPI

by fvzeppelin » Sat Sep 03, 2022 9:34 am

Last post by fvzeppelin « Mon Sep 05, 2022 10:46 am

by fvzeppelin » Sat Sep 03, 2022 9:34 am

2 Replies

49 Views

Last post by fvzeppelin
Mon Sep 05, 2022 10:46 am
HC-05 with Metro M0 Express

by bob_19091 » Wed Aug 31, 2022 4:21 pm

Last post by mikeysklar « Sun Sep 04, 2022 2:34 pm

by bob_19091 » Wed Aug 31, 2022 4:21 pm

1 Replies

31 Views

Last post by mikeysklar
Sun Sep 04, 2022 2:34 pm
Fast analogWrite to DAC?

by dmoss » Sat Sep 03, 2022 11:56 am

Last post by adafruit_support_bill « Sun Sep 04, 2022 9:14 am

by dmoss » Sat Sep 03, 2022 11:56 am

5 Replies

59 Views

Last post by adafruit_support_bill
Sun Sep 04, 2022 9:14 am
SD.h byte alignment warnings

by 3pb » Fri Sep 02, 2022 1:43 pm

Last post by 3pb « Fri Sep 02, 2022 1:43 pm

by 3pb » Fri Sep 02, 2022 1:43 pm

0 Replies

29 Views

Last post by 3pb
Fri Sep 02, 2022 1:43 pm
14v input tolerant ardu board

by Exidous » Sat Aug 27, 2022 11:27 pm

Last post by Exidous « Wed Aug 31, 2022 3:16 pm

by Exidous » Sat Aug 27, 2022 11:27 pm

7 Replies

86 Views

Last post by Exidous
Wed Aug 31, 2022 3:16 pm
Metro M4 Grand Central not working

by Immortalsun » Tue Aug 30, 2022 11:10 am

Last post by adafruit_support_carter « Wed Aug 31, 2022 10:54 am

by Immortalsun » Tue Aug 30, 2022 11:10 am

5 Replies

61 Views

Last post by adafruit_support_carter
Wed Aug 31, 2022 10:54 am

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