Issue 27 HackSpace magazine: Three ways to blink an LED with CircuitPython by @ben_everard @HackSpaceMag @circuitpython #CircuitPython @adafruit
Three ways to blink an LED: Use CircuitPython to handle intermittent tasks by Ben Everard page 74 and 75.
Check out Issue 27 of HackSpace Magazine for all the details – download PDF, buy hardcopy, subscribe.