Raspberry pi Projects

• MAX7219

  If you want to scroll the text of the weather broadcast or email message then you need Max7219, in this project, you can connect more than one matrix in raspberry pi but be aware of the power consumption because the raspberry pin number 1 can only deliver 3.3 volts 500mA and the pin number 2 you can expect 5 volts and pull about 1.5A.
  

  installation command

  First, open the Linux shell command by clicking on the icon "LDXEterminal".
  Then write the following command to download the python library.

  git clone https://github.com/rm-hull/max7219.git
  

  
  
  after finishing from downloading the packages now the installation, write this command to install the max7219 package.
  

  sudo python max7219/setup.py install
  

  
  
  

  Wiring

  connect the VCC to 5v pin of the raspberry pi and the ground to ground, then MOSI (master out slave in) to DIN pin of the module, CS (chip select) connect it to CSE0 pin of the raspberry pi, SCL connects to SCLK of the raspberry pi.