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| | = How to control it in MicroPython = | | = How to control it in MicroPython = |
| − | <syntaxhighlight lang="python" line='line'>
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| − | from machine import Pin, I2C, SoftI2C
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| − | from time import sleep
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| − |
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| − | #comment/uncomment the one for you version or change the pins if you use a different setup
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| − |
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| − | ##for ESP32 - version 1,2 (WIFI KIT, Heltech)
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| − | #from ssd1306 import SSD1306_I2C
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| − | #i2c = I2C(scl=Pin(15), sda=Pin(4))
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| − | #pin16 = Pin(16, Pin.OUT)
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| − | #pin16.on()
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| − |
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| − | #for ESP32-S3 - version 3 (WIFI KIT, Heltech)
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| − | from ssd1306v03 import SSD1306_I2C
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| − | i2c = SoftI2C(scl=Pin(18), sda=Pin(17))
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| − |
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| − | oled_width = 128
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| − | oled_height = 64
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| − | oled = SSD1306_I2C(oled_width,oled_height,i2c)
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| − |
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| − | # switch the display off, but it's still active
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| − | oled.poweroff()
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| − |
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| − | # switch the display on again
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| − | oled.poweron()
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| − |
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| − | # contrast in range 0-255 (0=darker)
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| − | oled.contrast(contrast)
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| − | # invert in True/False
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| − | oled.invert(invert)
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| − |
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| − | # content will be shown, has to be called when something changes
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| − | oled.show()
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| − |
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| − |
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| − | # Graphics
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| − | # fill the screen in color c (0=dark, 1=bright)
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| − | oled.fill(c)
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| − |
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| − | # set pixel at position x,y to color c
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| − | oled.pixel(x,y,c)
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| − |
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| − | # returns color of pixel x,y
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| − | oled.pixel(x,y)
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| − |
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| − | # draws a horizontal line from x,y, length=w in color c
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| − | oled.hline(x,y,w,c)
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| − |
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| − | # draws a vertical line from x,y, length=w in color c
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| − | oled.vline(x,y,w,c)
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| − |
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| − | # draws a line from x1,y1 to x2,y2 in color c
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| − | oled.line(x1,y1,x2,y2,c)
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| − |
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| − | # draws a rectangle at position x,y with width=w and height=h in color c
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| − | oled.rect(x,y,w,h,c)
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| − |
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| − | # draws a filled rectangle at position x,y with width=w and height=h in color c
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| − | oled.fill_rect(x,y,w,h,c)
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| − |
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| − |
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| − | # Text
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| − | # set text s at pixel x,y
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| − | oled.text(s,x,y,c)
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| − |
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| − | # line = line number (0-5)
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| − | # pos = horizontal position (0-15)
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| − | def text_line(text, line, pos=0):
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| − | x = 10*pos
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| − | y = line*11
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| − | oled.text(text,x,y)
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| − | oled.show()
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| − |
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| − | # don't forget to show!
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| − | oled.show()
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| − | </syntaxhighlight>
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| − |
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| − |
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| − | [[File:DisplayPixel.PNG|600px]]
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| − | [[File:DisplayLinePos.PNG|600px]]
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| − |
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| − | = A small Program in MicroPython (for ESP32-S3, Heltec WIFI-Kit version 3) =
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| − | <syntaxhighlight lang="python" line='line'>
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| − | from machine import Pin, SoftI2C
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| − | from ssd1306v03 import SSD1306_I2C
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| − | from time import sleep
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| − |
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| − | i2c = SoftI2C(scl=Pin(18), sda=Pin(17))
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| − |
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| − | oled_width = 128
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| − | oled_height = 64
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| − | oled = SSD1306_I2C(oled_width,oled_height,i2c)
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| − |
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| − | # line = line number (0-5)
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| − | # pos = horizontal position (0-15)
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| − | def text_line(text, line, pos=0):
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| − | x = 10*pos
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| − | y = line*11
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| − | oled.text(text,x,y)
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| − | oled.show()
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| − |
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| − | # set text
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| − | oled.text("Hello",0,0)
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| − | # horizontal line from x=10, y=50, length=70, color bright
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| − | oled.hline(10,50,70,1)
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| − | # display it
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| − | oled.show()
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| − | sleep(3)
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| − |
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| − | # delete all/ set all to dark
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| − | oled.fill(0)
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| − | # don't forget to show/display changes
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| − | oled.show()
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| − | sleep(1)
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| − |
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| − | # set new text
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| − | oled.text("Hi",0,0)
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| − | # filled rectangle at x=50, y=20, width=20, height=20, color bright
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| − | oled.fill_rect(50,20,20,20,1)
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| − | # inverts colors of display
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| − | oled.invert(True)
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| − | oled.show()
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| − | </syntaxhighlight>
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| − |
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| − | = How to control it in MicroPython (ESP32, Version 1, 2) =
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| | <syntaxhighlight lang="python" line='line'> | | <syntaxhighlight lang="python" line='line'> |
| | from machine import Pin, I2C | | from machine import Pin, I2C |
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| | oled.show() | | oled.show() |
| | </syntaxhighlight> | | </syntaxhighlight> |
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| | text | | text |
