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LAUNCHXL-F28379D: Modifying adc_ex3_temp_sensor Code for Thermistor Use with TMS320 C2000 MCU

Nero Dai
Prodigy 130 points

Part Number: LAUNCHXL-F28379D

Hello TI Community,

I have been working on adapting the adc_ex3_temp_sensor example code to read values from a thermistor using the ADC of a TMS320 C2000 MCU. Currently, my modified code can successfully print ADC results via the SCI serial port. However, when I initially wrote the program, I wasn't aware that the temp_sensor in the example was designed for the MCU's built-in temperature sensor.

My objective is to use the ADC in conjunction with an external thermistor. I would like to know if it's feasible to further modify my existing program to make it compatible with a thermistor. Are there specific changes I need to make in the code to accommodate the different characteristics of a thermistor compared to the built-in temperature sensor?

28379d_sci_12_12.zip
all source code in 6.user

I appreciate any guidance or suggestions on how to tweak the code or the setup to correctly read values from a thermistor using the ADC of the TMS320 C2000 series MCU.

Thank you in advance for your assistance!

Nero