You need control for each column and row. That circuit is working as expected.
The three LEDs will turn on because there is a path for the current to flow down. This is because you are turning on three transistors with the same signal.
You need control for each column and row. That circuit is working as expected.
The three LEDs will turn on because there is a path for the current to flow down. This is because you are turning on three transistors with the same signal.