This inheritance list is sorted roughly, but not completely, alphabetically:

[detail level 123]

CRumPi::AlertEvent	A single alert event: a metric crossing (or recovering from) a threshold, with the reading that triggered it
CRumPi::AlertManager	A singleton that components hand readings to
▼CRumPi::BaseComponent	Abstract base class for every component (sensor, actuator, etc.) the library manages
CRumPi::BMP180	BMP180 barometric temperature and pressure sensor (I2C), also deriving altitude from the measured pressure
CRumPi::BMP280	BMP280 barometric temperature and pressure sensor (I2C), also deriving altitude from the measured pressure
CRumPi::ComponentManager	Owns and drives the set of sensor components
CRumPi::DHT11	The DHT11 temperature and humidity sensor
CRumPi::DualLED	A bi-color LED driven by two PWM pins (one per color)
▼CRumPi::GasSensor	Base class for the MQ-series gas sensors (MQ2, MQ7, ...)
CRumPi::MQ135	MQ-135 gas sensor, typically used for detecting Carbon Dioxide (CO2) PPM
CRumPi::MQ2	MQ-2 gas sensor, typically used for detecting smoke
CRumPi::MQ3	MQ-3 gas sensor, typically used for detecting alcohol vapor (breathalyzer)
CRumPi::MQ4	MQ-4 gas sensor, typically used for detecting methane
CRumPi::MQ5	MQ-5 gas sensor, typically used for detecting LPG and natural gas (propane)
CRumPi::MQ6	MQ-6 gas sensor, typically used for detecting LPG and propane
CRumPi::MQ7	MQ-7 gas sensor, typically used for detecting carbon monoxide
CRumPi::MQ8	MQ-8 gas sensor, typically used for detecting hydrogen
CRumPi::MQ9	MQ-9 gas sensor, typically used for detecting LPG, carbon monoxide, and methane
CRumPi::HCSR501	An HC-SR501 PIR motion sensor
▼CRumPi::IAnalogDigitalConverterComponent	Interface for analog-to-digital converter components (e.g
CRumPi::MCP3008	MCP3008 analog-to-digital converter chip (SPI), providing 8 channels to read analog sensors on the Raspberry Pi
CRumPi::PCF8591	PCF8591 analog-to-digital converter chip (I2C), used to read analog sensors on the Raspberry Pi
CRumPi::LCD1602	Standard 16x2 character LCD screen (LCD1602) driven over I2C
CRumPi::LED	A very simple standard LED, driven by a single GPIO pin
CRumPi::Motor	A DC motor driven through an H-bridge, with an optional enable pin and a wheel alignment used when steering
CRumPi::PMS5003	PMS5003 particulate-matter (dust) sensor read over serial, reporting PM1.0/PM2.5/PM10 concentrations, particle counts by diameter, rolling averages, and an air-quality evaluation
CRumPi::PTQS1005	PTQS1005 air-quality sensor read over serial, reporting PM2.5, TVOC, HCHO, CO2, internal temperature, and humidity, each with a rolling average
CRumPi::Photoresistor	Photoresistor (LDR) - reads ambient light as an analog value through an ADC channel
CRumPi::PiCamera	Raspberry Pi camera, recording video (raw .h264 converted to .mp4 on a background thread) and taking pictures
CRumPi::QSFS01	QS-FS01 anemometer wind-speed sensor, read as an analog voltage through an ADC channel
CRumPi::RGBLED	An RGB LED driven by three PWM pins (red, green, blue)
CRumPi::RainSensor	Rain sensor - reads surface wetness as an analog value through an ADC channel
CRumPi::Receiver	Implements TCP client/server socket communication, running its accept, send, and receive loops on their own threads and invoking a callback for each message received
CRumPi::Relay	A relay driven by a single GPIO pin (output-only, like an LED)
CRumPi::RotaryEncoder	A standard rotary encoder
CRumPi::SoundSensor	FC-04 sound sensor - reads sound level as an analog value through a PCF8591 ADC channel
CRumPi::SystemHealthComponent	Reads Raspberry Pi system health (temperature, voltage, throttling, memory, storage, WiFi, and IP) by running vcgencmd and other OS commands, and reports threshold crossings to the AlertManager
CRumPi::TSL2591	TSL2591 high-dynamic-range digital light sensor (I2C), reading full-spectrum and IR channels to compute lux
CRumPi::Vehicle	A vehicle composed of several Motors, providing drive and steering by coordinating the motors it owns
CRumPi::ComponentCreationContext	Everything a component creator needs, bundled so every creator can share one signature and live in the factory's lookup map
CRumPi::ComponentFactory	Builds the sensor components described by a JSON manifest and adds them to a ComponentManager
CRumPi::GasData	Gas data (its response curve and danger level) used by the MQ gas sensors
CRumPi::Logger	A singleton that subscribes to the AlertManager and writes alert events to a per-session log file (and the console) from a background worker thread
CRumPi::RemoteCommand	A command a remote client can send, paired with the handler that carries it out
CRumPi::RollingAverage	Maintains a rolling (moving) average over a fixed-length window of recent readings using a circular buffer
CRumPi::RumPiConfig	Holds the library's runtime configuration, loaded from a JSON file
CRumPi::SelectedSensorReadings	A point-in-time copy of the SELECTED sensor readings the Home dashboard surfaces - a deliberately curated subset, not a generic per-sensor reading
CRumPi::SystemMemoryInformation	Data class that contains information about the system's memory and swap space, in Kilobytes