37 lines
831 B
Python
Executable file
37 lines
831 B
Python
Executable file
# SPDX-FileCopyrightText: 2018 Carter Nelson for Adafruit Industries
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#
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# SPDX-License-Identifier: MIT
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# Import the needed libraries
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import time
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import random
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import board
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import busio
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from digitalio import DigitalInOut
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import adafruit_ssd1306
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# Create I2c bus
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i2c = busio.I2C(board.SCL, board.SDA)
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# Define display dimensions and I2C address
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WIDTH = 128
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HEIGHT = 64
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ADDR = 0x3d
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# Create the digital out used for display reset
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rst = DigitalInOut(board.D7)
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# Create the display
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display = adafruit_ssd1306.SSD1306_I2C(WIDTH, HEIGHT, i2c, addr=ADDR, reset=rst)
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display.fill(0)
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display.show()
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# Loop forever drawing random pixels
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while True:
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for _ in range(500):
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x = random.randrange(WIDTH)
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y = random.randrange(HEIGHT)
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display.pixel(x, y, 1)
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display.show()
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time.sleep(0.5)
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display.fill(0)
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