The TC74 chip is a serially accessible, digital temperature sensor from Microchip Technology that measures the surrounding temperature through its onboard solid-state sensor and provides it in an 8-bit digital word. This tutorial from Embedded Lab describes in detail about the TC74 sensor and its communication interface through an experiment that uses a PIC microcontroller to read the measured temperature from the sensor.
How to use Microchip’s TC74 sensor for temperature measurement - [Link]












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