Frequencies of blink can vary from 0.2 to 50 Hz (ussually 0.5 to 20 Hz).
I did work with both types (by #define):
- With sigma-delta
- With Led channel
Technically sigma-delta is better than PWM (LedC), is this correct?
Questions from a beginner in sigma-delta?
- Is the capacitor needed to plug leds ?
- Why the range recommended is:f you add a capacitor between the output pin and ground, the average output voltage will be Vdc = VDDIO / 256 * duty + VDDIO/2, where VDDIO is the power supply voltage.
recommended range is -90 ~ 90