Hi. I have a problem with my Axoloti core. When I connect my axoloticore to pc, only red led blinking, but very low. Green led always turned off. When I try DFU, nothing change. "No devices in DFU mode detected." Board absent in list all devises in Zadig. Update firmware doesn't help. I try connect with three other micro-usb cable, nothing change. But when I make board cool (I put board in refrigerator for 5 minutes) it works 10-20 minutes, after which board do reboot several times and only red led blinking, again. May be trouble at U4, but I'm not shure.
I don't used pins in the gpio. Firmware 1.0.12 Board revision v1.2 Windows 10 x64. I bought Axoloticore in Janvery. Sorry for my bad english.