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Forum: ARM programming with GCC/GNU tools Tmperature control using ARM7


Author: Dharmendra Vasadia (dharmendra)
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Hi  ALL,



I wanted to develop circuit for temperature cotrol based on ARM7
controller. what controller i supposed to used of philips.



From where do i get circuit diagram or any clue?



Thanks in Advance.



Dharmendra

Author: Martin Thomas (Guest)
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Which temperature sensor?

Author: Dharmendra Vasadia (dharmendra)
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Martin Thomas wrote:
> Which temperature sensor?

Any one of Thermocouple, RTD or Thermister.
ther is no specification yet come. so you can help me
for any one above mention

dharmendra

Author: Martin Thomas (Guest)
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Dharmendra Vasadia wrote:
> Martin Thomas wrote:
>> Which temperature sensor?
>
> Any one of Thermocouple, RTD or Thermister.
> ther is no specification yet come. so you can help me
> for any one above mention
>
> dharmendra

To get started:
- use a simple NTC-Resistor
- create a voltage-divider with it
- connected it the an AD-Converter either the internal ADC if the
controller has one or use an external ADC with a digital interface like
SPI or I2C.

You may also check sensors with digital interface like i.e. the DS1820
(onewire), SHT75 (with humidity, special protocol), several with SPI
and/or I2C from ADI.

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