26 lines
679 B
Python
Executable File
26 lines
679 B
Python
Executable File
#!/usr/bin/python
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# From https://raspberry.tips/en/raspberrypi-tutorials/raspberry-pi-gpio-python
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import lgpio
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import time
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# Open GPIO chip (0 = /dev/gpiochip0, on Pi 5 gpiochip4 also possible)
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h = lgpio.gpiochip_open(0)
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try:
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lgpio.gpio_claim_output(h, 16) # GPIO16 as output (MOTA2)
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lgpio.gpio_write(h, 16, 0) # LOW
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# Hardware PWM on GPIO18 (pin 12) must be PWM-capable
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# Frequency: 1000 Hz, duty cycle: 50%
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lgpio.tx_pwm(h, 18, 1000, 50)
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time.sleep(2)
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# Reduce duty cycle to 20%
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lgpio.tx_pwm(h, 18, 1000, 20)
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time.sleep(2)
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lgpio.tx_pwm(h, 18, 0, 0) # Stop PWM
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finally:
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lgpio.gpiochip_close(h) # Always close!
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