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hello, i need help creating a program for my project. is somebody willing to help me? this is what i want to do I want to control a valve thats connected to a steppermotor I want to use 2 switches Switchs 1 on valve full open, switchs of valve closed Switchs 2 on valve half open, switchs of valve closed To control the stepper motor I have build a steppermotor card with the l297 and l298 ic from robotnetz. So I want the c-control to opperate the steppermotor when the corresponding switchs is activated and opens ore closes the valve connected to the steppermotor. And I want to messure the temprature of the oil that flows true the valve. And if the oil gets to hot above (100c) the valve must be closed. When the oil cools down under 100c the valve may must be set in the possition corrosponding whit the activated switch. And if its possible I want the temprature of the oil behinde the valve have some influence on the possition of the valve. When the temprature is 20c the valve is opend normaly When the temprature is under the 20c the valve must open a little bit more then normal When the temprature is above the 20c the valve must close a little bit more then normale The steppermotor card I use needs a puls per turn (schritt)to turn the steppermotor and 1 connection to let it turn the other way. Can somebody you help me? Regards marco |
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