Hi All
This is daft, but I am sure I knew the answer to this once.
I have this LED
http://uk.rs-online.com/web/p/ir-le...3743D6972206C65642673633D592677633D4E4F4E4526
If I have a 5V circuit, what resistor do I need and what`s the formula.
Thanks for helping.
JPU
This is daft, but I am sure I knew the answer to this once.
I have this LED
http://uk.rs-online.com/web/p/ir-le...3743D6972206C65642673633D592677633D4E4F4E4526
If I have a 5V circuit, what resistor do I need and what`s the formula.
Thanks for helping.
JPU