dinsdag 8 april 2014

Proto 35 different kind of IR pens

With the first set up of proto 32 we could only get a range of 30 cm.
To get a longer range, we need a stronger IR led. therefore we will use a LED running at minimum 100mA.   Vishay TSAL6400s



Simple schematic of the IR LED pen set-up.



To get a stronger IR beam, building an IR LED array would be another possibility:






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