They've all been uploaded with the same sketch. Two of them work flawlessly (so I know it's not a problem with the code) but when the defective one turns on, it automatically goes into the boot loading mode where the gpio0 led is half lit. What I assume is the TX led, the blue one that blinks when uploading a sketch, is also continuously lit on start. Both leds come on right away when powered.
The following error is repeatedly printed in the serial monitor:
Code: Select all
Fatal exception (0):
epc1=0x40214834, epc2=0x00000000, epc3=0x00000000, excvaddr=0x00000000, depc=0x00000000]
Is this a known issue? I've searched a ton of blogs and forums without any luck. If there's anything you could do to help solve the problem, that would be much appreciated. I look forward to hearing back from you!