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  • Welcome to our site! Electro Tech is an online community (with over 170,000 members) who enjoy talking about and building electronic circuits, projects and gadgets. To participate you need to register. Registration is free. Click here to register now.

My new tachometer project!

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ikalogic

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Hello everybody

I just finished a new contact less tachometer project, i just thought it would be useful for some people to share:
**broken link removed**

There are many things beginners can learn from that open source project like
- Using an alpha numeric LCD with the need of a potentiometer for the contrast adjustment
- Using LCD is 4 bit mode to save some wires
- Implementing a hysteresis on a sensor reading to enhance noise immunity of the system

Waiting for your comments and contributions!
 
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