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Thanks for the quick response.
The board is NyBoard V1_0, I use windows 10 and connect the board via a regular USB port on my Lenovo laptop (tried two different ports).
Will try to update the USB driver and send pictures later today.
To make the point better here is a detailed description of the problem:
When I plug the board to the USB port via the programmer, the Rx led blinks twice, turn off and after a few seconds turns back on and stays on.
This happens with and without the battery connected to the board. When the battery is connected, one of the servos start moving back and forth. I tried doing it all with no servo connected to the board at all.
In all cases, the option to choose a port in the Arduino IDE (after choosing the Arduino UNO board) is unavailable.
Thanks
Ofer