POV Display SAO

#include "Wire.h"

 
//Defines
#define DEVICE_ADDR   (0x5B)

// standard Arduino setup()
void setup()
{

  //Begin Wire I2C
  Wire.begin();  

}

void loop()
{

  uint8_t dataToWrite[5] = {0x48, 0x45, 0x4C, 0x4C, 0x4F}; //HELLO
  writeI2CBuffer(DEVICE_ADDR, 0x00, dataToWrite, sizeof(dataToWrite));

  delay(5000);

}


void writeI2CBuffer(uint8_t DeviceAddress, uint16_t Address, uint8_t* dataBuffer, size_t dataSize) {
    Wire.beginTransmission(DeviceAddress);  // Begin communication with the I2C slave
    
    // Send the memory address starting at 0x00.
    Wire.write(Address);  // Send the high byte of the memory address
    
    // Send the buffer data
    for (size_t i = 0; i < dataSize; i++) {
        Wire.write(dataBuffer[i]);  // Send each byte from the buffer
    }
    
    Wire.endTransmission();  // End communication with the I2C slave
}

from machine import I2C, Pin
from time import sleep

# I2C device address
DEVICE_ADDR = 0x5B

# Initialize I2C on Pico W (I2C 0, SDA on GPIO4, SCL on GPIO5)
i2c = I2C(0, scl=Pin(5), sda=Pin(4), freq=400000)

def write_i2c_buffer(device_address, mem_address, data_buffer):
    # Create a bytearray with memory address followed by data
    buffer = bytearray([mem_address] + data_buffer)
    # Write the bytearray to the I2C device
    i2c.writeto(device_address, buffer)

# Main loop
while True:
    # Data to write: "HELLO" in ASCII (0x48, 0x45, 0x4C, 0x4C, 0x4F)
    data_to_write = [0x48, 0x45, 0x4C, 0x4C, 0x4F]
    
    # Write data to memory starting at 0x00
    write_i2c_buffer(DEVICE_ADDR, 0x00, data_to_write)

    # Wait 5 seconds before the next write
    sleep(5)