arduino advanced projects

Simple circuit of object counter using Arduino

This circuit can count number of persons entering a premise or number of objects passing in front of an IR sensor. The code works very nicely and fully tested in our lab. Note that a buzzer for short beeps is connected at pin-2 and the IR sensor is connected at pin-5. The delay in second "if" conditional statement is used to avoid accidental triggering of the sensor.
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Beautiful decorative effects of LEDs using Arduino

This is a very interesting project, which you will love to construct using 8 LEDs and Arduino UNO development board. Burn the following code into your Arduino UNO development board and construct the circuit on breadboard as show in following Fritzing drawing. Then connect power to the circuit to see beautiful decorative effects of LEDs.
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Advanced Arduino Robotics Project #5, Intelligent 3-Phase Indicator for Industrial Applications

The project of Intelligent 3-Phase Indicator for Industrial Applications explained here is very useful to avoid false alarms during single or dual or even all phase supply failure. When this project is installed in industries it is observed that the production rate increases by 30%, due to real time monitoring of 3-phase supply.
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