Hello, is there any tutorial for debugging a program on XIAO SAMD21 module, with Arduino IDE? There are 4 pads on the back side of the SAMD21 module. Is this a J-Link interface that can be used for debugging? Or is it also possible to debug with the USB connector? Thanks, Michael

How to debug XIAO SAMD21?

PJ_Glasso April 12, 2024, 3:53pm 2

Hi there,
Unfortunately USB ,NOT on Sam21 , here was a go round with an Atmel ICE and SWD , he got it going.

HTH
GL PJ