Hi, I am currently trying to build a fire alarm using LM35 and AD620 IC.
How does the LED1& LED2 lights up separately when the AD620 IC's input voltage(+) is higher than my input voltage(-) as well as when the input voltage(+) is lower than my input voltage(-)?
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Additionally may I know why the output voltage differs greatly from each other with one being 12.5V while the other one is -8.59V?
When i calculate using Ohm's law & voltage divider rule, it doesnt come out as I calculated.
How does the LED1& LED2 lights up separately when the AD620 IC's input voltage(+) is higher than my input voltage(-) as well as when the input voltage(+) is lower than my input voltage(-)?
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Additionally may I know why the output voltage differs greatly from each other with one being 12.5V while the other one is -8.59V?
When i calculate using Ohm's law & voltage divider rule, it doesnt come out as I calculated.