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Index

Wiring

alt text | color | desc | uno pin | | ------ | -------------------------- | -------------- | | black | CSN (chip select) | D10 (any gpio) | | purple | CLK | D13 (SCK) | | yellow | MOSI (master out slave in) | D11 (COPI) | | green | MISO (master in slave out) | D12 (CIPO) | | red | 5/3.3 | | | white | GND | |

white = purple red = green green = yellow yellow = black purple = red black = white

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#include <SPI.h>

// Define the AS5048A SPI settings
SPISettings AS5048ASettings(1000000, MSBFIRST, SPI_MODE1);

// Define the chip select pin
const int CSPin = 10;

void setup() {
  // Set the chip select pin as an output
  pinMode(CSPin, OUTPUT);
  // Begin SPI communication
  SPI.begin();
  // Pull the chip select pin high to deselect the sensor
  digitalWrite(CSPin, HIGH);
}

void loop() {
  // Read the angle from the sensor
  unsigned int angle = readAS5048A();
  // Print the angle to the Serial Monitor
  Serial.println(angle);
  delay(1000); // Wait for 1 second
}

unsigned int readAS5048A() {
  // Variable to store the angle
  unsigned int angle = 0;
  // Pull the chip select pin low to select the sensor
  digitalWrite(CSPin, LOW);
  // Start SPI transaction with the defined settings
  SPI.beginTransaction(AS5048ASettings);
  // Send the command to read the angle
  SPI.transfer(0xFF);
  // Read the high byte of the angle
  angle = SPI.transfer(0x00);
  // Shift the high byte and read the low byte
  angle = (angle << 8) | SPI.transfer(0x00);
  // End the SPI transaction
  SPI.endTransaction();
  // Pull the chip select pin high to deselect the sensor
  digitalWrite(CSPin, HIGH);
  // Return the angle
  return angle;
}

Reference