Looking to make a RPM Tach - Electronic Circuits Projects Diagrams Free

JBurmeister · 21st June 2007, 07:30 PM

I am new to all of this, so please bare with me.

I am looking to make a tachometer for my motorcycle for RPM with a built in Shift Light. I would like to design it like the Formula 1 cars use, several LED lights (colors being green, yellow, and red). I know eactly where my wire is that comes into the current dash board that sends the current gauge with its freq. readings.

I guess I would need a FREQ to VOLTAGE converter to start off with. How would I be able to translate that into the LED lights to light up? Also while there be a way that I could have the lights flash as a whole when I hit a certain freq. This way I can truely tailor it to my liking..

Thank You

**3v0** · 21st June 2007, 08:24 PM

First wellcome to the forum.

There have been many posts about tachs on this forum. Search for them. Also google the internet. You shold find what you are looking for. If not or if you have questions about what you find then post again and we will be happy to answer them.

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21st June 2007, 07:30 PM	(permalink)
JBurmeister	Looking to make a RPM Tach I am new to all of this, so please bare with me. I am looking to make a tachometer for my motorcycle for RPM with a built in Shift Light. I would like to design it like the Formula 1 cars use, several LED lights (colors being green, yellow, and red). I know eactly where my wire is that comes into the current dash board that sends the current gauge with its freq. readings. I guess I would need a FREQ to VOLTAGE converter to start off with. How would I be able to translate that into the LED lights to light up? Also while there be a way that I could have the lights flash as a whole when I hit a certain freq. This way I can truely tailor it to my liking.. Thank You

21st June 2007, 08:24 PM	(permalink)
3v0	First wellcome to the forum. There have been many posts about tachs on this forum. Search for them. Also google the internet. You shold find what you are looking for. If not or if you have questions about what you find then post again and we will be happy to answer them. __________________ search engine for electronic parts Junebug USB PIC programmer kit., USB Bit Wacker, Homepage The 15 Minute Printed Circuit Board! (+drill time)