Pizero2.vent
Boot
# /boot/firmware/config.txt dtoverlay=pwm-2chan
pwm.py
# apt install pigpio
- KEMO M240
- PWM Spannung: 3 V bis 24 V
- PWM Frequenz: 100 Hz bis 10 kHz
- Raspberry Pi Zero
- PWM0 Pin 18 xor 12, 3,3 V 1 kHz
- PWM1 Pin 13 xor 19, 3,3 V 1 kHz
import pigpio
import time
import random
PWM_GPIO = 18
PWM_FREQUENCY = 1000
random.seed()
pi = pigpio.pi()
- Start Motor Full Speed for 4 Seconds
ret_code = pi.hardware_PWM(PWM_GPIO, PWM_FREQUENCY, 1000000)
print(ret_code)
time.sleep(4)
- print(pi.get_PWM_range(PWM_GPIO))
- print(pi.get_PWM_real_range(PWM_GPIO))
while True:
#pi.set_PWM_dutycycle(PWM_GPIO, 0)
percent = random.randint(0,100)
print("set motor to ", percent, " %")
pi.hardware_PWM(PWM_GPIO, PWM_FREQUENCY, percent * 10000)
time.sleep(15)