Raspberry Pi SPI and I2C Tutorial - SparkFun Learn
Introduction There are many peripherals that can be added to a microprocessor over the I2C and SPI serial interfaces. These include atmospheric sensors, EEPROMS, and several types of display. This tutorial will walk you through getting the I2C and SPI interfaces of your Raspberry Pi working. These interfaces aren't enabled by default, and need some extra configuration before you can use them. Reco
Raspberry Pi Analog to Digital Converters
The MCP3008 is a low cost 8-channel 10-bit analog to digital converter. The precision of this ADC is similar to that of an Arduino Uno, and with 8 channels you can read quite a few analog signals from the Pi. This chip is a great option if you just need to read simple analog signals, like from a temperature or light sensor. If you need more precision or features, check out the ADS1x115 series o
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