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CRICKIT flying carousel @adafruit #adafruit #robot #robotics


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



# [email protected]

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")



Stop breadboarding and soldering – start making immediately! Adafruit’s Circuit Playground is jam-packed with LEDs, sensors, buttons, alligator clip pads and more. Build projects with Circuit Playground in a few minutes with the drag-and-drop MakeCode programming site, learn computer science using the CS Discoveries class on code.org, jump into CircuitPython to learn Python and hardware together, or even use Arduino IDE. Circuit Playground Express is the newest and best Circuit Playground board, with support for MakeCode, CircuitPython, and Arduino. It has a powerful processor, 10 NeoPixels, mini speaker, InfraRed receive and transmit, two buttons, a switch, 14 alligator clip pads, and lots of sensors: capacitive touch, IR proximity, temperature, light, motion and sound. A whole wide world of electronics and coding is waiting for you, and it fits in the palm of your hand.

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1 Comment

  1. This is the *ultimate* use of the interwebitubes. I must stop now as my head has exploded.

    Lady Ada and PT: you will have to work very hard to top this one!

    Party on and Be Excellent To One Another!

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