def main(addon):
badge.show_bitmap('drivers/assets/speaker.bmp')
audio = PWMOut(board.GPIO1,
duty_cycle=0,
frequency=440,
variable_frequency=True)
led = digitalio.DigitalInOut(board.GPIO2)
led.switch_to_output(True)
try:
for (notename, eigths) in sequence:
length = eigths * 0.1
if notename:
led.value = False
audio.frequency = round(note(notename))
audio.duty_cycle = 0x8000
time.sleep(length)
led.value = True
audio.duty_cycle = 0
time.sleep(0.025)
time.sleep(3)
finally:
led.deinit()
audio.deinit()
import board
from pulseio import PWMOut
from digitalio import DigitalInOut, Direction, Pull
from adafruit_ble.uart import UARTServer
from adafruit_bluefruit_connect.packet import Packet
from adafruit_bluefruit_connect.color_packet import ColorPacket
r = PWMOut(board.RGB_LED_RED, duty_cycle=0)
g = PWMOut(board.RGB_LED_GREEN, duty_cycle=0)
b = PWMOut(board.RGB_LED_BLUE, duty_cycle=0)
uart_server = UARTServer()
while True:
uart_server.start_advertising()
while not uart_server.connected:
pass
while uart_server.connected:
packet = Packet.from_stream(uart_server)
if isinstance(packet, ColorPacket):
print(packet.color)
dc = [-257 * c + 65535 for c in packet.color]
r.duty_cycle, g.duty_cycle, b.duty_cycle = dc
"""
FILE: main.py
DESC: Motor controller obeys commands from sensors
"""
import board
import busio
from motor import DCMotor
from time import sleep
from pulseio import PWMOut
uart = busio.UART(None, board.RX, baudrate=9600)
left = PWMOut(board.D2)
right = PWMOut(board.D0)
left.duty_cycle = 30000 # int(0xffff * abs(0.5))
def stop():
print("Stopping!")
try:
left.duty_cycle = 0
right.duty_cycle = 0
except Exception as e:
print("Exception in stop(): " + e.args[0])
pass
while True:
data = uart.read(1)
import time
import board
from pulseio import PWMOut
FADE_SPEED = 0.1 # Smaller number = faster
FADE_INCREMENT = 4000 # How much to adjust the brightness per cycle
PWM_FULL = 65535
# Setup LED
led = PWMOut(board.LED1, frequency=5000, duty_cycle=0)
# Fade infinitely
direction = 1
brightness = 0
while True:
brightness += FADE_INCREMENT * direction
# Switch directions when we get to the limits
if direction < 0 and brightness <= 0:
brightness = 0
direction = 1
elif direction > 0 and brightness >= PWM_FULL:
brightness = PWM_FULL
direction = -1
# Set PWM value
led.duty_cycle = brightness
time.sleep(FADE_SPEED)