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Author Gravatar Image MIKEY SKLAR

Teaching the Raspberry Pi how to read analog inputs is easier than you think! The Pi does not include a hardware analog-to-digital converter, but an external ADC (such as the MCP3008) can be used, along with some bit banged SPI code in Python to read external analog devices.

Here is a short list of some analog inputs that could be used with this setup:

This guide uses a potentiometer to control the volume of a mp3 file being played, but the code can be used as the basis for any kind of analog-input project.

Last updated on 2015-05-04 at 04.25.41 PM Published on 2012-07-29 at 11.58.38 AM