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I was recently reserching on LEDs and I stumbled upon this page as I read it I found that LEDs are not just used to emit light but the also have the a...
Arduino is an open-source electronics prototyping platform based on flexible, easy-to-use hardware and software. It's intended for artists, designers,...
Parts: ~ Random Assortment Of LEDs - Sparkfun.com ~ Current limiting Resistors For LEDs - Sparkfun.com ~ Multimeter - Sparkfun.com ~ Breadboard - Spar...
An LED can be used for light detection as well as emission.LED is a simple diode which has been adopted to emit light.Therefore if it is inserted into...
Get some different coloured LEDs an start experimenting.Connect the longer lead of the led to the red wire of the multimeter and the shorter lead to t...
A microcontroller reads the input values in a different way.In between, analogRead() returns a number between 0 and 1023 that is proportional to the a...
We have completed all our experimenting now lets bring the LEDs to life lets make the circuit. The circuit is pretty straight forward connect the -v...
Now that we have made circuit lets upload some code. The code is pretty simple 215 is the threshold value if the LED sensor reades more then 215 then ...
Take the LED sensor in a well lit room or a light source and the LED connected on digital pin13 should light up and if you take your sensor in dark th...
Hope this project inspires further experimentation. The Arduino board is incredibly versatile,cheap, and accessible to all hobbyists . This is just on...
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Posted:
Feb 10, 2012
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