close #1; Add errata/error section

Author: 0x007E

README.md

@@ -80,6 +80,12 @@ The `U3A` is powerd over USB with `5V`. The voltage of the pins can be setup thr
 #                 +---+---+---+---+---+---+---+---+
 ```
 
+# Errata/Errors
+
+On some `FT232RL` (NRND) a usb-connection issue occurs if the volatge jumper (`J1`) is set to `3V3`. To solve this issue remove jumper `J1` before the usb-port is connected to a computer and reinsert the jumper `J1` after the connection between the computer and `FT232` is initiated.
+
+![USB-error](./images/usb-error.png)
+
 # Additional Information
 
 | Type       | Link                                                                 | Description                                          |