Mechatronics Projects

LED Reverse Polarity detector with buzzer indicator

Hi all,
Required your help to do a simple project to detect a reverse polarity of thru hole LED for testing 12 individual LED in a fixture .
Currently we use manual kit with pogo pin give which is connected seriously with external DC power supply source,so when we insert fixture with LED to the kit ,it will contact to the pogo pin and light up.
Required your assistance for building simple project to detect any reverse polarity or no light up with a buzzer sound


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Syed Zain Nasir

I am Syed Zain Nasir, the founder of <a href=https://www.TheEngineeringProjects.com/>The Engineering Projects</a> (TEP). I am a programmer since 2009 before that I just search things, make small projects and now I am sharing my knowledge through this platform.I also work as a freelancer and did many projects related to programming and electrical circuitry. <a href=https://plus.google.com/+SyedZainNasir/>My Google Profile+</a>

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Syed Zain Nasir
2 days ago