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Update sigmastar-research.md 

add red and blue leds pwm mode
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sansarus 2025-03-18 15:44:39 +03:00 committed by GitHub
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commit bffdad9831
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@ -25,3 +25,20 @@ echo 40000 > /sys/class/pwm/pwmchip0/pwm4/period
echo 40 > /sys/class/pwm/pwmchip0/pwm4/duty_cycle
echo 1 > /sys/class/pwm/pwmchip0/pwm4/enable
```
#### 61 pin red_led PM_GPIO2
./devmem 0x1f001CA0 w 0x40
echo 2 > /sys/class/pwm/pwmchip0/export
echo 16000 > /sys/class/pwm/pwmchip0/pwm2/period
echo 50 > /sys/class/pwm/pwmchip0/pwm2/duty_cycle
echo 1 > /sys/class/pwm/pwmchip0/pwm2/enable
#### 63 pin blue_led PM_GPIO3
./devmem 0x1f001CA0 w 0x100
echo 3 > /sys/class/pwm/pwmchip0/export
echo 16000 > /sys/class/pwm/pwmchip0/pwm3/period
echo 80 > /sys/class/pwm/pwmchip0/pwm3/duty_cycle
echo 1 > /sys/class/pwm/pwmchip0/pwm3/enable