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Arduino for Nerf: Chronograph and Shot Counter

My previous Instructable covered the basics of detecting dart speed using an infrared emitter and detector. This project takes it a step further, using a printed circuit board, display, and batteries to make a portable ammo counter and chronograph. Additionally, we add some LEDs to simulate muzzle flash. Because, pew pew pew . . . …

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Visitor counter project using Arduino

People  or Visitor counters are pretty famous embedded application that was widely used in places like theaters, malls, Transport stations and so. High end counters uses sophisticated hardware to do the process of counting. Today we are about to see building of simple Visitor counter project using Arduino which uses IR as a tool for …

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Arduino 7 Segment LED Display and Counter – Tutorial #8

This is a simple 0 to 9 counter circuit constructed using Arduino! Here, a common cathode 7-segment LED display is connected to Arduino for displaying the digits. The code (Arduino sketch) allows push button increment of the counter from 0 to 9. The whole circuit can be powered from a standard 9V PP3/6F22 battery, or …

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