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Lpc2000

Index last updated: 2026-04-28 23:31 UTC

Message

Re: LED & Button connection

2006-05-26 by c.barbaro

--- In lpc2000@yahoogroups.com, Èâàí Êîí÷àëîâñêèé <Hummel-80@...> wrote:
>
> Hello All.
> 
>   I have two questions for you:
>   1. Is it possible to connect LED (super bright 1mA) to port pin
>   without additional current limiting resistor?
>   2. Is it possible to connect button between port pin and
>   ground while configuring this port pin as output with
>   high level and read its state (button pressed or not)?
> 
> -- 
> Best regards,
>  Hummel
>

Are you an enemy of resistors?
Nevertheless they aren't big or costly components...

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