文件名称:PC-Fan-Control-using-ATtiny13
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PC Fan Control using ATtiny13...
This application note describes the operation of 12 volt DC cooling fans typically
used to supply cooling air to electronic equipment: These fans are typically based
on two-phase Brushless DC (BLDC) motors drawing between 1 and 50 watts of
power. Single-phase brushless DC motors are also used in fans, but this is outside
the scope of this application note.
Further discussion describes the addition of an Atmel ATtiny13 microcontroller and
the benefits this offers, such as variable speed by external thermistor input. An
additional input is a PWM pulse width-varying signal, which also controls fan
speed.
This application note describes the operation of 12 volt DC cooling fans typically
used to supply cooling air to electronic equipment: These fans are typically based
on two-phase Brushless DC (BLDC) motors drawing between 1 and 50 watts of
power. Single-phase brushless DC motors are also used in fans, but this is outside
the scope of this application note.
Further discussion describes the addition of an Atmel ATtiny13 microcontroller and
the benefits this offers, such as variable speed by external thermistor input. An
additional input is a PWM pulse width-varying signal, which also controls fan
speed.
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下载文件列表
PC Fan Control using ATtiny13\doc8005.pdf
AVR442.zip