Sorry your diagram is totally wrong. Each LED needs it's own resistor, then need to be in the collector to positave, the base needs to be connected to the arduino through a resistor and the emitter should be at ground.
Sorry your diagram is totally wrong. Each LED needs it's own resistor, then need to be in the collector to positave, the base needs to be connected to the arduino through a resistor and the emitter should be at ground.