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LDmicro Forum - Analog read |
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Analog read (by ritesh )
Hi,
can somebody help i write ladder logic to read the analog value but its not working in hardware.
Analog read (by ritesh )
i am using atmega8 based micro-controller system
(no subject) (by MGP)
This formula is for a LM135 (K) not a LM35 (°C).
The output of a LM35 is 250mV at 25°C and this is too low for an acceptable resolution. You need a 10x amplifier (opamp), see also http://cq.cx/interface.pl#7
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