+ // TCCR1 = _BV(CS11) | _BV(CS13); // clk/512 = 2 kHz
+ /*
+ * clk/64 = 16 kHz. We use PWM_MIN and PWM_MAX, so we have at least
+ * 8 full T/C1 cycles to do two ADC measurements. The ADC with 125 kHz
+ * clock can do about 7000-9000 measurement per second, so we should
+ * be safe both on low and high OCR1B values with this clock
+ */
+ TCCR1 = _BV(CS12) | _BV(CS11) | _BV(CS10);
+