Square Wave Signal Generator

2 Channel PWM Frequency Adjustable Square Wave Signal Generator module review

Square Wave Signal Generator

I got this sent from icstation.com and what a clever tiny gadget. It will not substitute a proper signal generator, but for experimentation with motors, LED's etc. it is perfect. I used to just wire up arduino and put some code in to get PWM out on one of the pins, and used that. But it was ine...

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