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July 26, 2024 11:06
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| # PicoBricks output to OLED | |
| # Thonny IDE | |
| # Useful links: | |
| # https://picobricks.com/blogs/robotic-stem-projects/thermometer | |
| # https://github.com/Robotistan/PicoBricks/blob/cc9fe87cbb75d4305b4175dd691fd09f3d90fdeb/Software/Pre-Installed%20Code/picobricks.py#L660 | |
| import utime # time library | |
| from machine import Pin, I2C # to access the hardware | |
| from picobricks import SSD1306_I2C # oled library on picobricks | |
| # define the width and height picobricks screen | |
| WIDTH=128 | |
| HEIGHT=64 | |
| LETTER_WIDTH_PX = 8 # experimental guess | |
| # would need a proper fn to calc text width / height | |
| # we define sda and scl pins for inter-path communication | |
| sda=machine.Pin(4) | |
| scl=machine.Pin(5) | |
| i2c=machine.I2C(id=0, sda=sda, scl=scl, freq=2000000)#determine the frequency values | |
| oled=SSD1306_I2C(width=WIDTH, height=HEIGHT, i2c=i2c, addr=0x3C, external_vcc=False) | |
| display_text = "Hello world!" | |
| current_x = 0 | |
| direction_x = 1 | |
| speed_x = 2 | |
| current_y = 0 | |
| print(i2c.scan()) # identify the device addresses connected | |
| utime.sleep(1) | |
| while True: | |
| oled.fill(0) # clear OLED | |
| oled.text(display_text, current_x, current_y) | |
| oled.show() # show on OLED | |
| current_x += speed_x * direction_x | |
| if current_x >= (WIDTH - (LETTER_WIDTH_PX * len(display_text))): | |
| direction_x = -1 | |
| if current_x <= 0: | |
| direction_x = 1 | |
| current_y += 1 | |
| if current_y > HEIGHT - 8: | |
| current_y = 0 | |
| utime.sleep(0.06) |
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