Hey I'm trying to build a digital temperature sensor with a lm35 in the ranges -15'C to 45'C. The lm35 has ranges from -55'C to 150'C and is 10mV/C.
I'm connecting the sensor to a CA3162 and a CA3161 then to 3 LED displays. The CA3162 has a input range of -99mV to 999mV, while the lm35 has an output of -550mV to 1500mV.
I want to use a 5 volt supply and not with a +-5V supply.( on the lm35 datasheet theres a figure to use single supply. How do i connect the sensor to the lm35 ? do i need to use tension dividers or do i connect it directly to the to HI & LO of CA3162? and do i need to put a bypass filter on the sensor?
THis is for a school project, the sensor actually has to be on a remote distance? are there any recommendations on the isolation of the sensor.
A completely different topic is: if i would want to transfer my signal wireless to a receiver that then displays the temperatuur, how do i do that and what products do i need?
I'm connecting the sensor to a CA3162 and a CA3161 then to 3 LED displays. The CA3162 has a input range of -99mV to 999mV, while the lm35 has an output of -550mV to 1500mV.
I want to use a 5 volt supply and not with a +-5V supply.( on the lm35 datasheet theres a figure to use single supply. How do i connect the sensor to the lm35 ? do i need to use tension dividers or do i connect it directly to the to HI & LO of CA3162? and do i need to put a bypass filter on the sensor?
THis is for a school project, the sensor actually has to be on a remote distance? are there any recommendations on the isolation of the sensor.
A completely different topic is: if i would want to transfer my signal wireless to a receiver that then displays the temperatuur, how do i do that and what products do i need?
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