Is optical mouse LED same just a simple led

have been fixing an optical mouse and conclude that either the sensor or red color LED must be replaced, so question is optical mouse led same the simple(st) LED ?

Probably a no. A normal LED is designe to spread the light in a certain way. Same is for the LED in the mouse.

I'm far from an expert on LED so this is kind of speculative from my side. I'd expect that a LED for a mouse have a more narrower spectrum band since we want to avoid noise, and also I'll expect it being designed to spread the light in a certain way - again in order to avoid noise.

When that said, It is an interesting idea - to try see if a mouse will indeed work with a "regular" led as a replacement.

I don't even know how they work anymore. When they had slotted wheels and LEDs then I understood. Now, they're all optical and a complete mystery to me.

Wiki says,
"Modern surface-independent optical mice work by using an optoelectronic sensor (essentially, a tiny low-resolution video camera) to take successive images of the surface on which the mouse operates."

Mike.

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