aboutsummaryrefslogtreecommitdiffstats
diff options
context:
space:
mode:
authorKevin O'Connor <kevin@koconnor.net>2019-05-23 19:29:24 -0400
committerKevin O'Connor <kevin@koconnor.net>2019-05-23 19:29:24 -0400
commitbd5c1d7088d562a37ec63bdb27a9e14405108ecd (patch)
treeb7c7983bbc50a8195999414feced41b241af9535
parent2469356861fb0b4d5c1a4e81a891bfa866876f67 (diff)
downloadkutter-bd5c1d7088d562a37ec63bdb27a9e14405108ecd.tar.gz
kutter-bd5c1d7088d562a37ec63bdb27a9e14405108ecd.tar.xz
kutter-bd5c1d7088d562a37ec63bdb27a9e14405108ecd.zip
config: Advise against using hardware_pwm for fans
Signed-off-by: Kevin O'Connor <kevin@koconnor.net>
-rw-r--r--config/example.cfg10
1 files changed, 6 insertions, 4 deletions
diff --git a/config/example.cfg b/config/example.cfg
index a692a6f6..fb5a716e 100644
--- a/config/example.cfg
+++ b/config/example.cfg
@@ -244,10 +244,12 @@ pin: ar9
# fan. It is recommended this be 10 milliseconds or greater when
# using software based PWM. The default is 0.010 seconds.
#hardware_pwm: False
-# Enable this to use hardware PWM instead of software PWM. When
-# using hardware PWM the actual cycle time is constrained by the
-# implementation and may be significantly different than the
-# requested cycle_time. The default is False.
+# Enable this to use hardware PWM instead of software PWM. Most fans
+# do not work well with hardware PWM, so it is not recommended to
+# enable this unless there is an electrical requirement to switch at
+# very high speeds. When using hardware PWM the actual cycle time is
+# constrained by the implementation and may be significantly
+# different than the requested cycle_time. The default is False.
#kick_start_time: 0.100
# Time (in seconds) to run the fan at full speed when first enabling
# it (helps get the fan spinning). The default is 0.100 seconds.