Recent content by jackie393

I think J5 connector label, you can see label (T R G) is TX, RX, GND

I have NVR from Besder, I flash wrong firmware, now my nvr not boot, I try copy file update to usb flash, but it not boot from USB I connect my NVR via Serial port and here log: System startupprefetch abort pc : [<e514308c>] lr : [<8080472c>] sp : 807cff60 ip : 807cffe0 fp ...