On 03/05/2012 08:07 PM, Levas wrote: > manau pradziai pasiskaityk mikroschemos datasheeta. Ato kazka ne to rasai. > kas gali būt ne taip jei jame parašyta: The MAX6650/MAX6651 fan controllers use an SMBusTM/I2CTM-compatible interface to regulate and mon- itor the speed of 5VDC/12VDC brushless fans with built-in tachometers. They automatically force the fan’s tachome- ter frequency (fan speed) to match a preprogrammed value in the Fan-Speed Register by using an external MOSFET or bipolar transistor to linearly regulate the volt- age across the fan.