11/1/2023 0 Comments What is an spi programmerThese connections are the serial clock (CLK), Master Input Slave Output (MISO), Master Output Slave Input (MOSI) and Chip Select (CS). SPI uses 4 separate connections to communicate with the target device. An analog to digital sensor takes an analog voltage and converts it into a digital number that can be understood by the Raspberry Pi. In this example, we will be learning to use an Analog to Digital Converter (ADC) sensor. These peripheral devices may be either sensors or actuators. The Serial Peripheral Interface (SPI) is a communication protocol used to transfer data between micro-computers like the Raspberry Pi and peripheral devices. A photoresistor decreases resistance (and the voltage across it) when it is exposed to light. This example will use an analog to digital converter to read the analog voltage across a photoresistor.
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