DIY Arduino based Digital Tachometer │ Revolution counter

JLCPCB (10 boards for $ 2) & Free shipping: https://jlcpcb.com Hello guys I have made a Digital Tachometer using Custom made PCB Circuit drawing :- https://goo.gl/UePHiN Arduino code download link :- http://www.mediafire.com/file/qb57bnuww0us465/tachometer-using-arduino.ino Material required 1) IR & photo Diodes :- http://amzn.to/2Eq6BB6 2) LM358 IC :- http://amzn.to/2o3XJWG 3) Resistors :- http://amzn.to/2o6PLfB 4) Potentiometer :- http://amzn.to/2HaiYij 2) LCD Screen :- http://amzn.to/2lxF1bp 3) Arduino Nano :- http://amzn.to/2mcLXIg 5) Header pins :- http://amzn.to/2lxtoRS 6) 9V Battery visit for more http://electricdiylab.com/ Music And So It Begins by Artificial.Music https://soundcloud.com/artificial-music Creative Commons — Attribution 3.0 Unported— CC BY 3.0 http://creativecommons.org/licenses/b... Music promoted by Audio Library https://youtu.be/JpoEFiAJdxo FB page :- https://www.facebook.com/InnovativeMr/ My Gears :- Camera :- http://amzn.to/2FO4W5E Video Light :- http://amzn.to/2FNKzFL Mic :- http://amzn.to/2HYqBZC Soldering Kit :- http://amzn.to/2FgNd8Z Screw driver set :- http://amzn.to/2FkhHHm Rotary tool :- http://amzn.to/2FM3Lnh