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Welke voeding Raspberry Pi 4?
Een voeding Om aan te sluiten op een stopcontact hebben alle Raspberry Pi modellen een USB-poort (dezelfde die op veel mobiele telefoons te vinden is): USB-C op de Raspberry Pi 4 of micro-USB voor de Raspberry Pi 3, 2 en 1. Wij adviseren gebruik te maken van onze officiële Universele Voeding.
What is the SPI port on the Raspberry Pi used for?
We have learned what the SPI port is and how it enables the serial communication between the Raspberry Pi and the SPI peripheral ICs. There are a number of Integrated Circuits that use only the SPI interface for communication between the master device and other integrated circuits.
How does the Raspberry Pi speak SPI?
The Raspberry Pi can speak SPI in two ways, bit banging and support from a hardware driver. Bitbanging means manually driving the clock pulses and data lines from your program. It requires a more detailed knowledge of the protocol so is great for learning more about SPI.
How to connect the Raspberry Pi to the SPI slave device?
This is just to show that you can simply connect the MISO pin of the Raspberry Pi to the slave device and can communicate serially over the SPI interface. That is all for now. I have just shown the simple demo of SPI serial communication between the Raspberry PI and the SPI slave device.
Which Raspberry Pi to use as an SPI master?
We will use the Raspberry Pi 3 as the SPI Master. To witness the capability of SPI for controlling more than one slave device, I have chosen two Arduino UNO boards as SPI slaves for this demo. Arduino/Genuino Uno is a microcontroller board based on the ATmega328P ( datasheet ).