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Microcontroller › 8051 › Need help about 8051 based temperature controller
i m doing a project,.. automatic electric water heater….,, i hav connected a lm 35 sensor to controller to sense temp.,,, and connected a 4 by 3 numeric keypad to give values to controller.,, when temp rises as equal to given no by numeric keypad,, relay turns off and hence the coil which is heating the water…..
please help me.,, post here the codes and logic please….
have you made the circuit or not. if yes then post it here