1
vote
2answers
865 views

Netduino/Arduino to Variable Resistor

I'm a developer and I want to have a bit of fun with electronics. I don't know much about it so I have a bit of a question. I'm pretty sure this can apply to Netduino, Arduino or any other one. I ...
10
votes
6answers
2k views

6 LEDs in parallel with a single resistor to simplify soldering

I'm trying to wire up 6 RGB LEDs in parallel, all controlled from a single source (well, three sources, one for each colour). The LEDs came supplied with resistors to limit the current of 270 Ohm for ...