Summary of hardware

Hardware	Type		Function
Main hub	Control		Control
12V5A breakout	Power management		12V breakout
5V3A breakout	Power management		5V breakout
12V/24V boost converter	Power management		12V to 24V converter
Gas sensor	Sensor		Gas sensor
H-bridge driver	Actuator		Peltier element and DC motor driver
Switch array	Actuator		Low power LEDs driver
High power switch array	Actuator		High power LEDs driver
Humidity and temperature sensor	Sensor		Humidity and temperature sensor
IR sensor array	Actuator/Sensor		IR emitter and sensor
Level shifter	Control		Bi-directional logic level shifter
Solenoid control board	Actuator		Solenoid
Spike&Hold board	Actuator		Solenoid

Tip

Something useful.