Hardware Projects • Re: Larger fonts on SSD1306 OLED displays

CODE:

from machine import SoftI2C, Pinimport timeimport ssd1306OLED_SCL_PIN = 22  # clockOLED_SDA_PIN = 21  # dataOLED_WIDTH = 128  # pixelsOLED_HEIGHT = 32  # pixelsdef oled_text_scaled(oled, text, x, y, scale, character_width=8, character_height=8):    # temporary buffer for the text    width = character_width * len(text)    height = character_height    temp_buf = bytearray(width * height)    temp_fb = ssd1306.framebuf.FrameBuffer(temp_buf, width, height, ssd1306.framebuf.MONO_VLSB)    # write text to the temporary framebuffer    temp_fb.text(text, 0, 0, 1)    # scale and write to the display    for i in range(width):        for j in range(height):            pixel = temp_fb.pixel(i, j)            if pixel:  # If the pixel is set, draw a larger rectangle                oled.fill_rect(x + i * scale, y + j * scale, scale, scale, 1)def main():    i2c = SoftI2C(scl=Pin(OLED_SCL_PIN), sda=Pin(OLED_SDA_PIN))    oled = ssd1306.SSD1306_I2C(OLED_WIDTH, OLED_HEIGHT, i2c)    # no scaling    oled.fill(0)    oled.text("ABCDEFGHIJKLMNOP", 0, 0)    oled.text("abcdefghijklmnop", 0, 8)    oled.text("0123456789012345", 0, 16)    oled.text("=!\"#$%&/()?-+*:;", 0, 24)    oled.show()    time.sleep(3)    # 2x    oled.fill(0)    oled_text_scaled(oled, "ABCDEFGH", 0, 0, 2)    oled_text_scaled(oled, "abcdefgh", 0, 16, 2)    oled.show()    time.sleep(3)    # 4x    oled.fill(0)    oled_text_scaled(oled, "ABCD", 0, 0, 4)    oled.show()    time.sleep(3)if __name__ == "__main__":    main()