private void btnWrite_Click(object sender, EventArgs e)
{
byte[] w = DeviceI2C.StringToByteArray(txtWrite.Text);
i2c.SlaveAddress = getAddr();
i2c.write(w);
}
private byte getAddr()
{
byte[] addr = DeviceI2C.StringToByteArray(txtAddress.Text);
return(addr[0]);
}