This is an effort to get PHP to interact with sensors and displays in Linux-based Single-board computers, through general-purpose input/output pins, SPI/I2C/UART protocols etc.

Interface with LCD and OLED matrix displays. More details.

Interface with different types of sensors. More details.

Interact with the general-purpose input/output pins. More details.

Main usage:

• Buttons
• Switches
• Lights

Interact with external hardware using the I2C protocol. More details.

Main usage:

• Accelerometers
• Gyroscopes
• Compasses

Interact with external hardware using the SPI protocol. More details.

Main usage:

• Analog-to-digital
• Small displays

Interact with external hardware using the UART asynchronous serial communication protocol. More details.

Main usage:

• GPS Receivers
• Cellular modems