Search found 3 matches

by tgs901
Wed Jul 22, 2020 12:51 am
Forum: Drivers for External Components
Topic: Anyone working on a MAX7219 8x8 LED matrix display library?
Replies: 43
Views: 137524

Re: Anyone working on a MAX7219 8x8 LED matrix display library?

Hi Jeff,

I think I've figured it out.
line 5 should be a comment.
line 10 should have your fix in it

line 5 --> #display = max7219.Max7219(width, height, spi, cs, rotate)
line 10 --> display = max7219.Max7219(32, 8, spi, Pin(15),4)

Now it works.
Thank you
Tim
by tgs901
Wed Jul 22, 2020 12:45 am
Forum: Drivers for External Components
Topic: Anyone working on a MAX7219 8x8 LED matrix display library?
Replies: 43
Views: 137524

Re: Anyone working on a MAX7219 8x8 LED matrix display library?

Hi Jeff,

Now I get this:
.....
download ok
exec(open('./ESP8266_8x8_x4_test.py').read(),globals())
Traceback (most recent call last):
File "<stdin>", line 1, in <module>
File "<string>", line 5, in <module>
NameError: name 'width' isn't defined
>>>

Tim
by tgs901
Tue Jul 21, 2020 6:32 pm
Forum: Drivers for External Components
Topic: Anyone working on a MAX7219 8x8 LED matrix display library?
Replies: 43
Views: 137524

Problem getting MAX7219 Matrix display to work

I'm a MicroPython newbie and I'm trying to get Jeff Brown's example code to run on an ESP8266 board using uPyCraft v 1.1 and MicroPython v1.12 on 2019-12-20; ESP module with ESP8266. I can run the blink.py script with no problem. So I believe I have the board configured correctly in uPyCraft. The ma...