Raspberry Pi hardware SPI analog inputs using the MCP3008 #piday #raspberrypi @Raspberry_Pi


Raspberry Pi hardware SPI analog inputs using the MCP3008.

A hardware SPI remake of the bit-banged Adafruit project:  Analog Inputs for Raspberry Pi Using the MCP3008. Take a look at the Adafruit project and particularly the datasheet for the MCP3008 – what we’re making is a hardware volume control using a 10K potentiometer. Instead of using the GPIO pins and bit-banging the SPI protocol I’m using the proper SPI pins and the hardware driver.

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