PyModoro a CircuitPython Pomodoro Productivity Timer

main.py

import time
import board
from digitalio import DigitalInOut, Direction, Pull
import neopixel

# configure your timer
work_minutes = 20
rest_minutes = 5

# define colours
work_color = (0,10,255)
rest_color = (0,255,10)
off_color = (0,0,0)

switch = DigitalInOut(board.D1)
switch.direction = Direction.INPUT
switch.pull = Pull.UP

# setup onboard neopixel
led = neopixel.NeoPixel(board.NEOPIXEL, 1) 
led.brightness = 0.8

# setup neopixel ring
num_pixels =24
ring = neopixel.NeoPixel(board.A3, num_pixels, auto_write=False) 
ring.brightness = 0.2

# lazy math
work_delay = round((work_minutes*60)/num_pixels,0)
rest_delay = round((rest_minutes*60)/num_pixels,0)


start_timer = False

while True:

	if(start_timer == True):
		# loop for work time
		for i in range(num_pixels):
			ring[i] = work_color
			ring.show()
			time.sleep(work_delay)
		# reset the ring
		for i in range(num_pixels):
			ring[i] = off_color
		ring.show()					
		# loop for rest time
		for i in range(num_pixels):
			ring[i] = rest_color
			ring.show()
			time.sleep(work_delay)			
	else:
		# reset the ring
		for i in range(num_pixels):
			ring[i] = off_color
		ring.show()		

	if switch.value:
		# button not pressed
		led[0] = (255, 0, 0)
		start_timer = False
	else:
		# button pressed
		led[0] = (0, 255, 0)
		start_timer = True

	time.sleep(0.01)  # debounce delay