u/Icy-Cabinet9098

This is my first time trying to model a sample system. I connected a resistor to the pwm pin of an Arduino and started using it as a heat source. while I used a thermistor to measure the temperature. The issue I am facing is all the procedures for system-modelling I can find deals with an input response and then sees the output. My input is in pwm for which I notice the corresponding temperature output.

https://preview.redd.it/wodvtd5bsbzg1.jpg?width=1600&format=pjpg&auto=webp&s=351558be980fd13bfac4122e2da5ad0884e9ebe1

how do I do system identification?

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u/Icy-Cabinet9098 — 10 days ago