From 274f75083f14889ff81f00e55fb0383bb4bea7b2 Mon Sep 17 00:00:00 2001 From: InsanityAutomation Date: Sat, 22 Jun 2019 18:07:49 -0400 Subject: [PATCH] Update Configuration.h --- Marlin/Configuration.h | 5 +++-- 1 file changed, 3 insertions(+), 2 deletions(-) diff --git a/Marlin/Configuration.h b/Marlin/Configuration.h index a019cdb700..efd73574ca 100644 --- a/Marlin/Configuration.h +++ b/Marlin/Configuration.h @@ -1889,8 +1889,9 @@ // Use software PWM to drive the fan, as for the heaters. This uses a very low frequency // which is not as annoying as with the hardware PWM. On the other hand, if this frequency // is too low, you should also increment SOFT_PWM_SCALE. -//#define FAN_SOFT_PWM - +#if ENABLED(TREX3) + #define FAN_SOFT_PWM +#endif // Incrementing this by 1 will double the software PWM frequency, // affecting heaters, and the fan if FAN_SOFT_PWM is enabled. // However, control resolution will be halved for each increment;