CircuitPlayground Express Code for Sending Power-on Signal to a class of Fujitsu General ACs

code.py

import array
import supervisor
import sys
import time

import pulseio
import board

from adafruit_circuitplayground import cp

# Set brightness level of LEDs on CPX
cp.pixels.brightness = 0.02

# configure and initialize IR transmitter
PWM = pulseio.PWMOut(board.IR_TX, frequency = 38000, duty_cycle = 2 ** 15)
IR_OUT = pulseio.PulseOut(PWM)

IR_POWER_ON_SIG = array.array('H', [
    3353, 1566, 437, 388, 440, 388, 441, 1191, 435, 394, 435, 1196, 440, 389,
    439, 390, 439, 399, 441, 1188, 437, 1195, 441, 388, 441, 392, 436, 388, 441,
    1191, 435, 1197, 440, 398, 440, 385, 433, 510, 434, 394, 435, 394, 435, 393,
    435, 393, 435, 394, 435, 403, 436, 389, 440, 388, 441, 388, 440, 388, 441, 1192,
    433, 394, 436, 393, 434, 405, 435, 390, 439, 389, 440, 388, 439, 390, 439, 1192,
    433, 397, 432, 397, 432, 407, 431, 392, 437, 1221, 436, 1196, 442, 1191, 433,
    1199, 438, 1194, 442, 1190, 436, 1206, 441, 1188, 437, 392, 437, 391, 438, 1194,
    442, 386, 443, 386, 442, 388, 441, 396, 434, 391, 436, 392, 437, 392, 441, 388,
    437, 1195, 441, 1190, 435, 394, 436, 403, 435, 1194, 442, 385, 433, 396, 433,
    396, 432, 396, 433, 395, 435, 394, 433, 1210, 441, 1187, 435, 393, 436, 393, 435,
    394, 436, 391, 437, 392, 436, 393, 436, 405, 434, 1192, 434, 394, 435, 394, 434,
    396, 433, 394, 435, 393, 436, 393, 435, 403, 437, 388, 440, 388, 440, 389, 440,
    389, 440, 387, 442, 387, 441, 388, 440, 398, 441, 384, 436, 392, 435, 393, 440,
    389, 437, 392, 437, 391, 437, 392, 436, 402, 438, 388, 440, 388, 441, 387, 442,
    387, 441, 387, 442, 387, 443, 386, 442, 396, 432, 393, 436, 396, 432, 392, 437,
    392, 436, 392, 437, 1197, 439, 388, 441, 398, 441, 1188, 438, 391, 438, 1193, 434,
    1200, 435, 392, 437, 1195, 441, 388, 441, 395, 434
    ])  # These are the power-on pulses for my AC, replace with your power-on signal

ON_CMD = 'on'

def power_on():
    IR_OUT.send(IR_POWER_ON_SIG)
    cp.pixels[:] = [(0, 255, 0)] * 10 # light up all 10 LED's on board with green color
    time.sleep(1)
    cp.pixels[:] = [(0, 0, 0)] * 10 # turn LED's off again


def non_blocking_read():
    '''
    This function receives bytes via USB and sanitizes them.
    '''
    signal_tokens = []
    s = ''
    while supervisor.runtime.serial_bytes_available and s != '\n':
        s = sys.stdin.read(1)
        signal_tokens.append(s)
    return ''.join(signal_tokens).strip()


while True:
    cmd = non_blocking_read()
    # if command sent over USB was 'on', send the pulses to the AC
    if cmd == ON_CMD:
        power_on()