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July 26, 2013 AT 12:00 pm

Interfacing an SPI ADC (MCP30008) chip to the Raspberry Pi using C++ (spidev) @Raspberry_Pi #piday #raspberrypi

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Via hertaville.com:

In this entry I will demonstrate how to interface the MCP3008; an SPI-based analog to digital converter (ADC) integrated chip; to the Raspberry Pi. This enables the the Raspberry Pi to interpret analog voltages that are in turn typically emitted by analog-based sensors to reflect a measure of a physical characteristic such as acceleration, light intensity or temperature. We will start by briefly examining the SPI interface.

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