I have been given the task of updating some wiring diagrams in AutoCAD. I never used AutoCAD before. I have managed to copy and paste and move lines and symbols around, but I need recommendations for an introductory book about AutoCAD. I browsed the AutoCAD section at a local bookstore, but the...
The pull-up resistor limits the current flow through the sensor to limit the self-heating effect. The fixed resistor in series with the sensor forms a voltage divider.
http://en.wikipedia.org/wiki/Thermistor
http://www.thermometrics.com/htmldocs/whatis.htm...
A precision resistor is inexpensive, compact and requires no power supply to convert a 4-20mA signal into a 1-5V or 2-10V signal. If the signal is shared by different devices, you may have ground loops or other interference. In that case, a signal condioner such as ScottyUK mentioned may be...
Did you run the heater/defroster in the winter? Are you using air conditioning now? Both can impact fuel economy.
Did you pack more/heavier clothing for your winter trip? Look at
http://www.fueleconomy.gov/feg/factors.shtml
jdarcy,
1. Identical posts in different forums are frowned on.
2. You get a better response if you give more information in your question.
3. Read the FAQs. eg, faq731-376
daicly,
I suggest that you start a new thread to ask your question instead of posting it on a thread that has been INACTIVE FOR TWO YEARS. See faq731-376
Opto22 http://www.opto22.com/asset/documents/0859_Solid_State_Relays_data_sheet.pdf
In general, when you want to know who makes something, try Thomas Register http://www.thomasnet.com
See http://www.thomasnet.com/nsearch.html?cov=NA&what=Relays%3A+Solid+State&heading=67401406&navsec=prodsearch
Earlier this year EPA and Eaton announced a demonstration project where they would outfit a UPS delivery truck with a hybrid powertrain that includes a clean diesel engine and hydraulics. See http://www.epa.gov/otaq/technology/420f05006.htm
Try these:
MegaSquirt EFI: http://www.msefi.com/
DIY-EFI: http://www.diy-efi.org/
Eric Fahlgren's web sit: http://not2fast.wryday.com/
Searching keywords such as DIY (or do it yourself), EFI, injector driver circuit, etc. may yield others, but the 3 mentioned above are among the best for...
BigTom2005
"if they can use voltages to convert to frequencies (Voltage controlled oscillators), then it makes sense that you can do the same with current."
That does not mean there is any inherent relationship between the units being discussed. If you use a circuit to convert from current to...
