pinout.vvzero.com/draft/overlay/analog-zero.md

#RasPiO Analog Zero

The RasPiO Analog Zero offers a compact, inexpensive, easy way to add eight analog channels to your Raspberry Pi. RasPiO Analog Zero uses an MCP3008 analog to digital converter. It's an SPI driven, 10-bit, 8-channel ADC.

With RasPiO Analog Zero you can:

• read up to 8 analog inputs at once
• make a weather station
• make a digital thermometer
• make a voltmeter
• use potentiometer dials for control and display
• read analog sensors or voltages
• make your own embedded device with minimal footprint