"""Five Lorikeet LEDs on Pi 5 SPI0 MOSI (GPIO10 / physical pin 19). Use a 5V-powered 74AHCT125 and a 330-ohm series data resistor. """ import time import board import neopixel_spi LED_COUNT = 5 LEVEL = 24 HOLD_SECONDS = 1.0 spi = board.SPI() pixels = neopixel_spi.NeoPixel_SPI( spi, LED_COUNT, brightness=1.0, auto_write=False, pixel_order=neopixel_spi.GRB, ) try: print("Sending red, green and blue to five LEDs. Press Ctrl+C to stop.") while True: for colour in ((LEVEL, 0, 0), (0, LEVEL, 0), (0, 0, LEVEL)): pixels.fill(colour) # Tuples are (red, green, blue). pixels.show() # Encode and send over SPI MOSI. time.sleep(HOLD_SECONDS) except KeyboardInterrupt: print("Stopped; clearing the LEDs.") finally: pixels.fill((0, 0, 0)) pixels.show() pixels.deinit() spi.deinit()