IR remote control, voice prompts, DC motor control, NeoPixels… made with Adafruit CRICKIT (video) – more CRICKIT vids’ here (playlist) & here’s the code.

import gc

import pulseio

gc.collect()

import adafruit_irremote

gc.collect()

from adafruit_motor import motor

gc.collect()

from adafruit_seesaw.seesaw import Seesaw

gc.collect()

from adafruit_seesaw.pwmout import PWMOut

gc.collect()

import neopixel

gc.collect()

import audioio

gc.collect()

from busio import I2C

import board

import time





print("Blimp!")



# Create Infrared reader

pulsein = pulseio.PulseIn(board.REMOTEIN, maxlen=100, idle_state=True)

decoder = adafruit_irremote.GenericDecode()

REMOTE_FORWARD = [255, 2, 175, 80]

REMOTE_BACKWARD = [255, 2, 239, 16]

REMOTE_PAUSE = [255, 2, 127, 128]



# Create seesaw object

seesaw = Seesaw(I2C(board.SCL, board.SDA))



# Create one motor on seesaw PWM pins 22 & 23

motor_a = motor.DCMotor(PWMOut(seesaw, 22), PWMOut(seesaw, 23))

motor_a.throttle = 0



# Neopix!@

pixels = neopixel.NeoPixel(board.NEOPIXEL, 10)



# audio file

a = audioio.AudioOut(board.A0)

def play_audio(wavfile):

    f = open(wavfile, "rb")

    wav = audioio.WaveFile(f)

    a.play(wav)

    while a.playing:

	pass

    f.close()

    gc.collect()



play_audio("overview.wav")

t = time.monotonic()



while True:

    command = None   # assume no remote commands came in

    if len(pulsein) > 25:  # check in any IR data came in

	pulses = decoder.read_pulses(pulsein)

	try:

	    code = decoder.decode_bits(pulses, debug=False)

	    if code in (REMOTE_FORWARD, REMOTE_BACKWARD, REMOTE_PAUSE):

		# we only listen to a few different codes

		command = code

	    else:

		continue

	# on any failure, lets just restart

	except:

	    continue



    if command:

	if code == REMOTE_FORWARD:

	    play_audio("fan_forward.wav")

	    motor_a.throttle = 1  # full speed forward

	    pixels.fill((255,0,0))

	elif code == REMOTE_BACKWARD:

	    play_audio("fan_backward.wav")

	    motor_a.throttle = -1  # full speed backward

	    pixels.fill((0,0,255))

	elif code == REMOTE_PAUSE:

	    motor_a.throttle = 0  # stop motor

	    play_audio("fan_stopped.wav")

	    pixels.fill((0,0,0))

	time.sleep(0.5)



    # play yayayay every 3 seconds

    if (time.monotonic() - t > 3) and motor_a.throttle != 0:

	t = time.monotonic()

	play_audio("yayyayyay.wav")