![](http://tbn2.google.com/images?q=tbn:rZEimYQH4BnqFM:http://big5.made-in-china.com/image/2f0j01VMqEgOlWCuovM/LED%E8%8A%AF%E7%89%87%2B%EF%BC%88OR-008RD%EF%BC%89.jpg)
Tinkerlog just posted an in-depth study on what situration that the current-limiting resistor can be omitted when driving a led. If you want to save PCB space or just lazy like me, not going to add a current-limiting resistor between your MCU output and LED, you should defintely to have a look on his study!
Link:
http://tinkerlog.com/2009/04/05/driving-an-led-with-or-without-a-resistor/
No comments:
Post a Comment