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All the boards i was making died and a few programer boards also.

Like a group subside - i felt that they has something personally against me ...

And it worked on the breadboard just fine.

Using a photo-interrupter sensors i found around the lab.

Originally I set out to make - a key-less keyboard

Laser cutting the board - pure fun ...

Learned how to use the raster function to create a suppressed surfaces to put the electronics inside the wood.

Went on happily to make my own board end 2 end.

But ...

life actually can be fun if you stop - go to the market - and make something good to eat !

So l left everything -

and went home to make some soul food ...

With enough food and sleep went on using the photo interrupter sensor as a speed measuring unit for engines with propeller.

Still ... need to do something that works ... So -

A Speed measuring unit for propeller based crafts