Meadow has support for the following digital communication protocols:
| Protocol | Speed | Multiple Peripheral Support | # of Wires | Common use cases | |
|---|---|---|---|---|---|
| I2C (Inter Integrated Circuit) | Slow to Medium (100Khz up to 5MHz) | Yes | Two | Short distance. Sensors, LCD displays, low-speed peripherals. | |
| SPI (Serial Peripheral Interface) | Fast (1MHz+) | Yes | Minimum of 3, Typically 4. | High-speed, data-heavy peripherals such as cameras and displays. | |
| UART (Serial) | Slow | No | 2 | Used for communication between boards or with computers. |