Smoke came out of the MPU and when I connect it to the computer, the power light is on, but the usb device is not recognized.
I connected the 5v input of usb-ttl to the 5v output of the MPU, while the mpu was plugged into the computer and suddenly smoke came out. Now I get 2.8V from the 5v output of the MPU, 2.5v from the 3v output. Also in the debug circuit, r4,r10,r11,r14...