Analogue inputs on Raspberry Pi using MCP3208 and SPI

Sources used and adapted at this little research and investigation:

• MCP3208
  • python library designed to work with the MCP3208 ADC using SPI
  • https://pypi.org/project/mcp3208/
• MCP3208 with RaspberryPi and Python
  • http://www.smartypies.com/projects/raspberrypi-with-mcp3208/
• Python Spidev
  • https://github.com/doceme/py-spidev
• Raspberry Pi: SPI-Schnittstelle
  • http://www.netzmafia.de/skripten/hardware/RasPi/RasPi_SPI.html
• RASPBERRY PI MIT MCP3208
  • https://www.vampire.de/index.php/2018/05/06/raspberry-pi-mit-mcp3208/
• MCP3008: Am Raspberry Pi analoge Signale auslesen
  • https://tutorials-raspberrypi.de/raspberry-pi-mcp3008-analoge-signale-auslesen+/
• Raspberry PI - Adding analogue inputs using MCP3008, MCP3004, MCP3208, MCP3204
  • http://robsraspberrypi.blogspot.com/2016/01/raspberry-pi-adding-analogue-inputs.html
• Analogue Sensors On The Raspberry Pi Using An MCP3008
  • https://www.raspberrypi-spy.co.uk/2013/10/analogue-sensors-on-the-raspberry-pi-using-an-mcp3008/