/
tester.py
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/
tester.py
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import machine
import utime
# blink on-board led
led_onboard = machine.Pin(25, machine.Pin.OUT)
for k in range(10):
led_onboard.toggle()
utime.sleep(0.2)
# control brightness with PWM
led_pwm = machine.PWM(led_onboard)
led_pwm.freq(1000)
for duty in range(65025):
led_pwm.duty_u16(duty)
utime.sleep(0.0001)
for duty in range(65025, 0, -1):
led_pwm.duty_u16(duty)
utime.sleep(0.0001)
# buttons on GP20, GP21, GP22
led = machine.Pin(15, machine.Pin.OUT)
td = 0.01
gpio_pins = [machine.Pin(k, machine.Pin.OUT) for k in range(0, 16)]
while True:
for pin in gpio_pins:
pin.value(1)
utime.sleep(td)
for pin in gpio_pins:
pin.value(0)
utime.sleep(td)
#led.value(1)
#utime.sleep(1)
#led.value(0)
#utime.sleep(1)