that use in IR sensor LEDs is normal red LEDs........
blownaway wrote:Hi again!
I´m putting my shopping cart together but I don´t know what IR-Led i should use...
The dealer i´m buying the most stuff from has three different leds, and if you please could recomend one model for the tachometer project...
Here is the three models:
IR333-A LED IR 5mm 940nm 20gr 4mW blue lens
IS658A Fotodiod IR
LED TSAL4400 IR 3 mm Vishay
Does anyone of them work26752675
Thanks and good-night!
blownaway wrote:What value should the "R3" contrast pot have26752675
I ordered the components today and think i´ll have them by tomorrow
It´s going to be fun to try this out!!
And by the way is it easy to change in the hex code so that i can have to reflections per revolution2675 I´m thinking of just drilling a hole thru the spinning shaft and mounting the IR LEDs pointing towards each other...
Can I just replace the *60 with *30 in the following line to achive this26752675
rps_avg = floor(((rps_his + rps_his + rps_his + rps_his + ___
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