When I received the boards, some connectors were bent and one row of the LED matrix was not shining. I've had to heat the arduino board and to reflow the soldering with an hot air iron to get the full functionality back.
When I received the boards, some connectors were bent and one row of the LED matrix was not shining. I've had to heat the arduino board and to reflow the soldering with an hot air iron to get the full functionality back.