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from time import sleep_ms from machine import Pin, I2C from ssd1306 import SSD1306_I2C buf = "screen" led = Pin(2, Pin.OUT) i2c = I2C(-1, Pin(4),Pin(5),freq=40000) # Bitbanged I2C bus oled = SSD1306_I2C(128, 64, i2c) oled.invert(0) # White text on black background oled.contrast(255) # Maximum contrast for j in range(0, 500): led.on() sleep_ms(100) led.off() oled.fill(0) oled.text(buf[j%len(buf):]+buf, 10, 10) oled.show() sleep_ms(40)
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