If you don't feel like spending a lot you can use this https://arcade.makecode.com/hardware/dbg https://arcade.makecode.com/hardware/dbg For the small connecto

If you don't feel like spending a lot you can use this https://arcade.makecode.com/hardware/dbg https://arcade.makecode.com/hardware/dbg For the small connector you may need to buy something for a few dollars, and for the big one you almost certainly already have everything on your desk. The small one is smaller, and despite the picture you can also put it in the middle of your board - just make sure to keep taller components our of the yellow area.