The Raspberry.IO.Components assembly provides support for various devices and components that may be connected to Raspberry Pi through GPIO, SPI, I2C, etc.

Raspberry.IO.Components.Converters namespace contains protocol implementations for some AD/DA converters.

• Mcp3008SpiConnection supports MCP3004/3008 ADC converters,
• Mcp4822SpiConnection supports MCP4802/4812/4822 DAC converters.

Raspberry.IO.Components.Displays namespace contains classes to connect to some display components.

• Hd44780LcdConnection supports HD44780-compatible displays.

Raspberry.IO.Components.Expanders namespace contains classes to connect to I/O expanders.

• Hd44780LcdConnection supports MCP23017 I/O expander.

Raspberry.IO.Components.Sensors namespace contains classes to connect to sensors.

• Hd44780LcdConnection supports HC-SR04 distance sensor.

• The Test.Gpio.HD44780 project provides a basic sample using a HD44780-compatible, 16x2, 3.3v-powered display device.
• The Test.Gpio.MCP3008 project provides a basic sample using the MCP3008 ADC converter.
• The Test.Gpio.MCP4822 project provides a basic sample using the MCP4822 ADC converter.
• The Test.Gpio.MCP23017 project provides a basic sample using the MCP23017 I/O expander.
• The Test.Gpio.HCSR04 project provides a basic sample using the HC-SR04 distance sensor.