Easily Program Three ATtiny's At Once With This Shield For Arduino Uno. Posted: May 23, 2025 | Last updated: May 23, 2025. Hi, I'm Bill. I'm a software developer with a passion for making and ...

Coming to Arduino (Uno), the PWM frequency at Pin 9 is close to 500 Hz, and with fc = 500 Hz, the period is 1/fc = ~2 ms. Note that the statement “analogWrite( PWM_ pin, level);” sets the PWM _pin to ...

He contemplated using an ATtiny for smaller projects, but after looking into what he would need to program the chip under Linux, he could never find the motivation to give it a go.