Issues

• enableWire() Needs to check SCL and SDA before setting bus state to idle

  bugComponent: CoreComponent: Wire
  arduino/ArduinoCore-samd#743 · Filter by author studiohsoftware opened on May 31, 2026

• (MKR Zero) Reading ADC_BATTERY via Serial Monitor without a battery attached returns the USB voltage

  bug
  arduino/ArduinoCore-samd#742 · Filter by author bibletech55 opened on Apr 24, 2026

• Unitialized variable BusOwner

  bugComponent: Wire
  arduino/ArduinoCore-samd#740 · Filter by author zfields opened on Feb 2, 2026
  2

• TwoWire is in the arduino:: namespace

  apibugComponent: Wire
  arduino/ArduinoCore-samd#738 · Filter by author zfields opened on Feb 2, 2026

• Project dead?

  arduino/ArduinoCore-samd#734 · Filter by author paaspaas00 opened on Jun 14, 2025

• Hang when calling noTone()

  arduino/ArduinoCore-samd#732 · Filter by author ir-mark opened on May 20, 2025

• EXTINT[15] on D26 line, PA27

  arduino/ArduinoCore-samd#731 · Filter by author 4project-co-il opened on Mar 30, 2025

• Raspberry Pi install fails with "Tool avrdude not available for your operating system"

  arduino/ArduinoCore-samd#730 · Filter by author robrennie opened on Mar 24, 2025
  4

• Bug: digitalWrite() incorrectly uses DIRSET register instead of DIR register for pin direction checking

  arduino/ArduinoCore-samd#727 · Filter by author jacoblgit opened on Mar 2, 2025

• <charconv> not found (and string_view, too)

  arduino/ArduinoCore-samd#725 · Filter by author JetForMe opened on Jan 3, 2025
  1

• Not defining USBCON broke since 1.8.14

  arduino/ArduinoCore-samd#723 · Filter by author MSmeets94 opened on Oct 30, 2024

• Where does the formula of BAUD comes from in SERCOM::initMasterWIRE( uint32_t baudrate )

  arduino/ArduinoCore-samd#719 · Filter by author rawlines opened on Aug 13, 2024
  1

• Bootloader Make Issue

  arduino/ArduinoCore-samd#716 · Filter by author andychu2888 opened on Jun 10, 2024

• Alternate SERCOM I2C Not Working On Pins PA08 and PA09 (4 and 3)

  arduino/ArduinoCore-samd#711 · Filter by author DeltaAerospace opened on Oct 19, 2023
  2

• Possible race condition between Uart::write(data) and Uart::IrqHandler() ??

  arduino/ArduinoCore-samd#708 · Filter by author Nels52 opened on Sep 23, 2023
  4

• Doxygen comments

  arduino/ArduinoCore-samd#707 · Filter by author tedtoal opened on Jul 22, 2023

• analogWrite() uses a threshold when writing to a digital port

  arduino/ArduinoCore-samd#706 · Filter by author tedtoal opened on Jul 22, 2023

• analogWrite() problems with PWM

  arduino/ArduinoCore-samd#705 · Filter by author tedtoal opened on Jul 22, 2023

• _writeResolution, set by analogWriteResolution(), is shared by the DAC and PWM

  arduino/ArduinoCore-samd#704 · Filter by author tedtoal opened on Jul 22, 2023

• Disabling DAC when reading from ADC is a problem sometimes

  arduino/ArduinoCore-samd#703 · Filter by author tedtoal opened on Jul 22, 2023

• Please implement setWireTimeout() in SAMD Wire library

  arduino/ArduinoCore-samd#702 · Filter by author mgrusin opened on May 20, 2023

• Error: unable to find CMSIS-DAP device

  arduino/ArduinoCore-samd#701 · Filter by author ISatByTheO opened on Apr 21, 2023

• Serial buffer size unchangeable

  arduino/ArduinoCore-samd#700 · Filter by author maxgerhardt opened on Apr 2, 2023
  3

• Uploading new sketch after burning the mkrzero bootloader

  arduino/ArduinoCore-samd#699 · Filter by author MOSHEMEL opened on Mar 21, 2023
  1

• SAMD SPI issues

  arduino/ArduinoCore-samd#698 · Filter by author i-g-g-y opened on Mar 17, 2023