If you have a problem or need to report a bug please email : support@dsprobotics.com
There are 3 sections to this support area:
DOWNLOADS: access to product manuals, support files and drivers
HELP & INFORMATION: tutorials and example files for learning or finding pre-made modules for your projects
USER FORUMS: meet with other users and exchange ideas, you can also get help and assistance here
NEW REGISTRATIONS - please contact us if you wish to register on the forum
Users are reminded of the forum rules they sign up to which prohibits any activity that violates any laws including posting material covered by copyright
PWM to Com Port
11 posts
• Page 2 of 2 • 1, 2
Re: PWM to Com Port
by Radian » Tue Jan 25, 2011 4:39 pm
Thank you DSP.
I don't want to be a pain in the §$%& but I think the accuracy is only needed on the receiving side via the hall sensor to the soundcard.
If rpm drops the solenoid just needs to get more pulses that cause more diesel to be injected until it's up to the specified rpms again. No need to keep a pre-defined PWM count.
To much rpm calls for less pulses than the current PWM rate
To less rpm calls for more pulses than the current PWM rate
The com port has the advantage to trigger the TTL level of the Transistor on the SSR without any further circuitry while the soundcard output needs a boost from the usual 2-3V RMS.
On the other hand the com port module to me looks really complicated to configure
Are there any example schematics on how to get pulses out of the com port?
Greets,
Radian
I don't want to be a pain in the §$%& but I think the accuracy is only needed on the receiving side via the hall sensor to the soundcard.
If rpm drops the solenoid just needs to get more pulses that cause more diesel to be injected until it's up to the specified rpms again. No need to keep a pre-defined PWM count.
To much rpm calls for less pulses than the current PWM rate
To less rpm calls for more pulses than the current PWM rate
The com port has the advantage to trigger the TTL level of the Transistor on the SSR without any further circuitry while the soundcard output needs a boost from the usual 2-3V RMS.
On the other hand the com port module to me looks really complicated to configure
Are there any example schematics on how to get pulses out of the com port?
Greets,
Radian
- Radian
- Posts: 4
- Joined: Wed Jan 19, 2011 10:14 pm
11 posts
• Page 2 of 2 • 1, 2
Who is online
Users browsing this forum: No registered users and 76 guests