Yeah, that was easy, I just gather resources here as reference…
Next I want to daisy chain a few of these, and then I’ll get into the real stuff: Getting my 8×8 RGB led array connected and working, this time no ready module.
http://raspi.tv/2013/8-x-8-led-array-driven-by-max7219-on-the-raspberry-pi-via-python
http://www.plingboot.com/2013/01/driving-the-max7219-with-the-raspberry-pi
module includes:
1. 1 PCB boards
2. 5P caliber single row 2
3. 24P IC socket 1
4 line MAX7219 chip 1
5 Electrolytic capacitor 10uF 1
6. 0.1uF ceramic capacitor 1
7. 10K resistance 1
8. 8P hole seat 2 (2.54mm pitch)
9. 3mm 8*8 Yin red dot matrix 1
Connect:
VCC: 5V
GND
DIN: MOSI (GPIO10)
CS: SPI CS0 (GPIO8)
CLK: SPI CLK (GPIO11)
Get Python libs and check out test.py:
git clone https://github.com/rm-hull/max7219.git
cd max7219/
sudo python setup.py install
sudo python examples/test.py
Ref; Ascii table:
http://www.jimprice.com/ascii-0-127.jpg