There are two objects which must be created to use the library. The MAX72XX object defines the interface to the MAX7219/MAX7221 driver chip; only one MAX72XX object is required for each chain of ...

Buying the best phone under 30000 in 2025 is tricky as brands cram in features, but only a few get the balance right. Some prioritise gaming with weak cameras, while others look premium yet lag under ...

For reference, the iPhone 16 Pro Max has a 4,676mAh battery, and it lasted 22 hours and 5 minutes on a single full charge in our tests. The iPhone 17 is likely to see an increase to 3,962mAh from ...