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I want to make a temperature measurement system based on MSP430FR4133, but I just can't find any schematics related.
Could you please help me with this, thanks a lot.
Example msp430fr413x_adc10_16.c demonstrates the internal temperature sensor:
The product page has links to one (or more?) thermostat reference designs.
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In reply to Bruce McKenney47378:
So the on-chip temp sensor can only measure temperature of the MCU, if I want to measure external temperature, I can't use internal temp sensor?
In reply to Liangze Tao:
The internal temperature sensor does measure inside the package, so it isn't ambient. I believe the value it reads is at a know-able offset from ambient. The harder part is if you want to measure outside your box (you haven't said).
I've always used an external temperature sensor. That thermostat reference design (TIDU516A) uses a thermistor, which I expect could be made to poke through your box. TI also makes a collection of temperature sensor ICs.
thanks, I guess I have to interface another sensor.
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