The Default main.py Script

This is the main.py file that was on the board when you received it, in case you need it

import ws2812
import utime
from lm75 import LM75
from machine import I2C
import random

i2c = I2C(1, freq=400000)
lm75 = LM75(i2c)

# take a reading, then shutdown the LM75 so it doesn't heat itself up
lm75.wakeup()
utime.sleep_ms(300)
start_temperature = lm75.get_temperature()
lm75.shutdown()

# Start the WS2812 handling stuff
ws2812.init(28)

def pattern_twinkle(starting):
	# The base LED patterns
	leds = starting

	# create the state object
	class State:
		twinkle_state = 0
		twinkle_led = 0
	state = State()

	# set the LEDs to their starting pattern
	for i in range(0,len(leds)):
		(r,g,b) = leds[i]
		ws2812.set_led(i, r,g,b)

	def twinkle_next(state):
		if state.twinkle_state == 0:
			(r,g,b) = leds[state.twinkle_led]
			ws2812.set_led(state.twinkle_led, r,g,b)
			state.twinkle_led = random.randint(0, len(leds)-1)
			(r,g,b) = leds[state.twinkle_led]
			if r > 0:
				r = r + 10
			if g > 0:
				g = g + 10
			if b > 0:
				b = b + 10
			ws2812.set_led(state.twinkle_led, r,g,b)
			state.twinkle_state = state.twinkle_state + 1
		elif state.twinkle_state == 1:
			(r,g,b) = leds[state.twinkle_led]
			if r > 0:
				r = r + 15
			if g > 0:
				g = g + 15
			if b > 0:
				b = b + 15
			ws2812.set_led(state.twinkle_led, r,g,b)
			state.twinkle_state = state.twinkle_state + 1
		elif state.twinkle_state == 2:
			(r,g,b) = leds[state.twinkle_led]
			if r > 0:
				r = r + 10
			if g > 0:
				g = g + 10
			if b > 0:
				b = b + 10
			ws2812.set_led(state.twinkle_led, r,g,b)
			state.twinkle_state = 0
		
		
	while True:
		utime.sleep_ms(100)
		twinkle_next(state)

def pattern_fade(starting_leds):
	class LEDState:
		STATE_WAIT = 0
		STATE_RAMP_UP = 1
		STATE_RAMP_DOWN = 2

		def __init__(self, i, r, g, b):
			self.i = i
			self.wait_count = random.randint(0, 35)
			self.base_r = r
			self.base_g = g
			self.base_b = b
			self.current_state = 0
			self.step = 0

		def run(self):
			if self.current_state == self.STATE_RAMP_UP:
				self.step += 1
				if self.step >= 7:
					self.current_state = self.STATE_RAMP_DOWN
			elif self.current_state == self.STATE_RAMP_DOWN:
				self.step -= 1
				if self.step <= 0:
					self.current_state = self.STATE_WAIT
					self.wait_count = 0
			else:
				# the aim of thisis to make something that looks sort of chaotic
				if self.wait_count < (75 - 2*(self.i % 3) + (self.i % 2) - (self.i % 4)) - self.i:
					self.wait_count += 1
					#ws2812.set_led(self.i, 0,0,0)
				else:
					self.current_state = self.STATE_RAMP_UP
			r = 0
			g = 0
			b = 0
			if self.base_r > 0:
				r = self.base_r	 + self.step*2 - 5
			if self.base_g > 0:
				g = self.base_g + self.step*2 - 5
			if self.base_b > 0:
				b = self.base_b + self.step*2 - 5
			ws2812.set_led(self.i, int(r), int(g), int(b))

	leds = []
	i = 0
	for l in starting_leds:
		r,g,b = l
		leds.append(LEDState(i, r, g, b))
		i += 1

	while True:
		for l in leds:
			l.run()
		utime.sleep_ms(50)


def pattern1():
	leds = [
		(10,10,0),
		(0,10,0),(0,10,0),
		(0,10,0),(0,10,0),(0,10,0),
		(10,0,0),(0,10,0),(0,10,0),(10,0,0),
		(0,10,0),(0,10,0),(0,10,0),
		(10,0,0),(0,10,0),(0,10,0),(10,0,0),
		(0,10,0),(0,10,0),(0,10,0),(0,10,0),(0,10,0),
		(10,0,0),(0,10,0),(0,10,0),(0,10,0),(0,10,0),(10,0,0),
		]
	if int(start_temperature * 100) % 2 == 0:
		pattern_twinkle(leds)
	else:
		pattern_fade(leds)

def pattern2():
	leds = [
		(10,10,0),
		(0,0,10),(0,0,10),
		(0,0,10),(0,0,10),(0,0,10),
		(10,0,10),(0,0,10),(0,0,10),(10,0,10),
		(0,0,10),(0,0,10),(0,0,10),
		(10,0,10),(0,0,10),(0,0,10),(10,0,10),
		(0,0,10),(0,0,10),(0,0,10),(0,0,10),(0,0,10),
		(10,0,10),(0,0,10),(0,0,10),(0,0,10),(0,0,10),(10,0,10),
		]
	if int(start_temperature * 100) % 2 == 0:
		pattern_twinkle(leds)
	else:
		pattern_fade(leds)

def pattern3():
	leds = [
		(10,10,0),
		(10,0,0),(10,0,0),
		(10,0,0),(10,0,0),(10,0,0),
		(0,10,5),(10,0,0),(10,0,0),(0,10,5),
		(10,0,0),(10,0,0),(10,0,0),
		(0,10,5),(10,0,0),(10,0,0),(0,10,5),
		(10,0,0),(10,0,0),(10,0,0),(10,0,0),(10,0,0),
		(0,10,5),(10,0,0),(10,0,0),(10,0,0),(10,0,0),(0,10,5),
		]
	if int(start_temperature * 100) % 2 == 0:
		pattern_twinkle(leds)
	else:
		pattern_fade(leds)

def pattern4():
	while True:
		for i in range(28):
			ws2812.set_led(i, random.randint(0,15),random.randint(0,15),random.randint(0,15))
		utime.sleep_ms(300)

random.seed()

print("Starting temperature is %f" % (start_temperature,))

if start_temperature < 20:
	pattern2()
elif start_temperature < 25:
	pattern1()
elif start_temperature < 26:
	pattern4()
else:
	pattern3()