I am looking for an IC which I can easily interface with the arduino to get a PWM (rectangle) signal with variable frequency and duty cycle. preferable 1 Hz to 20 MHz and a duty cycle which can be changed by 0.1% I will manage if the frequency range is lower but I need at leat 1khz to 5 Mhz frequ…

External PWM IC for arduino

KOR October 22, 2021, 8:58pm 5

I am not sure what the article about quare and triangle waves with OpAmps has to do with the generation of rectangle signals.

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