How to interface the temperature sensor with spartan 3e fpga kit.

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sharanabasappa j k

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Hi sir,
I m implementing fuel flow control unit based on fpga.i am using sensors,adc,fpga and stepper motor.i interfaced the stepper motor and now i want to interface temperature sensor (LM 35).so based on the temperature i am controlling sepper motr.Like it reaches max temp(80) then it has to reduse the temp by rotating motor anticlock wise.so please do need full.
 

I am quite sure that there are few online documents available for you to start with. On a first look it seems that LM35 -> ADC -> FPGA or ARM. So you should have a look at this.

Several papers are also available online:
**broken link removed**

Nobody will help you from scratch. So you better come with your thoughts, algorithm and flowcharts....
 

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The LM 35 has an analog output therefore - you cannot interface it directly with an FPGA.
You'll have to use an ADC to convert the output of the LM35 to a digital signal.

Does your FPGA kit have an ADC onboard ?
 

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