Frequency conversion?

I'm using a DS89C450

I need to monitor a +7V input with variable frequency - is it possible to sample the frequency on a 8051 without additional hardware?

I need this to log revolutions of an engine. Output is as said +7V, when the engine is idling output is 26Hz (approx. 750rpm). So basically I need to translate the frequency of the input to a given value. Is it possible?

EDIT: Can I use the externa... Read Compelte post
Posted by TB on Sat Aug 09 2008, 05:14 PM

Conversation

Fri Apr 09 2021, 02:02 PM
Hong
Quality articles is the secret to interest the users to visit the site, that's what this web page is providing. christian dating sites https://datingsitesww.com
Fri Apr 09 2021, 03:53 AM
QGWIJ38V49HEBD3WXF www.web.de
I have a small question for you
Thu Apr 08 2021, 06:26 PM
Lilly
Post writing is also a fun, if you be familiar with afterward you can write otherwise it is complex to write. dating sim https://onlinedatingtind.com/
Thu Apr 08 2021, 12:35 PM
Fredericka Horn
Thanks, Fredericka Horn
Thu Apr 08 2021, 12:03 PM
Ronaldwhits
https://coin2x.org

Downloads

Comments

Mirza123
Thu Jun 25 2020, 03:46 PM
eunicelove124
Mon Jun 22 2020, 03:03 PM
cerouno
Tue Jun 16 2020, 05:10 PM
Marce
Sat Jun 13 2020, 09:43 PM
Davidthils
Thu May 21 2020, 12:44 PM
Jakeror
Thu May 21 2020, 01:28 AM
motorCar
Wed May 20 2020, 07:05 PM
Vordrync
Wed May 20 2020, 11:52 AM

Online

Guests: 106, Members: 0 ...

most ever online: 182184
(Members: , Guests: 182184) on 06 Aug 2010: 05:37 AM

Members: 38215
Newest member: Mirza123