Problems whit len

[be80be]

Here the code go easy on me I've not used micrpyhton but little over week.

``
import machine
from ssd1306 import SSD1306_I2C
import framebuf

i2c = machine.I2C(scl=machine.Pin(5), sda=machine.Pin(4))

oled = SSD1306_I2C(128, 64, i2c)# ... (I2C initialization and OLED object creation as before)

def draw_char(char, x, y, size):

char_data = {
    'A': [0b00100, 0b01110, 0b11111, 0b11111, 0b01110],

}

char_bitmap = char_data.get(char, None)
if char_bitmap:
    for row in range(len(char_bitmap)):
        for col in range(len(char_bitmap[0])):
            oled.pixel(x + col * size, y + row * size, char_bitmap[row] & (1 << col))

oled.fill(0)
draw_char('A', 20, 10, 3) # Draw 'A' with size 3
oled.show()``

And i get these errors
MPY: soft reboot
Warning: I2C(-1, ...) is deprecated, use SoftI2C(...) instead
Traceback (most recent call last):
File "", line 26, in
File "", line 21, in draw_char
TypeError: object of type 'int' has no len()

[bixb922]

Please format with 3 backticks.

char_bitmap[0] is 0b00100 which is a int. There is no len() for a int.

[be80be]

Thanks it works now next problem is making fonts into a bitmap

[robert-hh]

See https://github.com/peterhinch/micropython-font-to-py