I am adding ardunio projects to a Model Railroad. I am first connecting the Digital output to a terminal block. My questions are this.
- If two flickering LED's have the same script can they be connected to one terminal?
- If I connect two LED's to one terminal do I need two resistors?
- Instead of two resistor can a go to a larger resistor such as 1k?
- Am I correct that I can connect all LED Cathodes to one Ground terminal?