Use this forum to chat about hardware specific topics for the ESP8266 (peripherals, memory, clocks, JTAG, programming)

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By hackrid
#652 Hi,

somewhere i read this thing should have an internal temperature sensor.
Any info on that available beside this piece in the linker file?

Code: Select allPROVIDE ( rom_abs_temp = 0x400060c0 );
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By jonsmirl
#657 I have not seen anything about an internal temp sensor. Their demo boards have this chip on them and support for it is in their IoT SDK
https://www.mems-vision.com/products-se ... /mvh3004d/
Last edited by jonsmirl on Tue Sep 16, 2014 12:03 pm, edited 1 time in total.
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By jonsmirl
#662 My experience with built-in temp sensors is that they are fairly useless for reading ambient temperature. What they are useful for is when the chip is in a hostile environment. You can use the on-die temp sensor to watch the die temp. Then if the chip is about to fail from over heating make changes in the system (change a duty cycle, turn on a fan) to keep the chip running.