5.5 INTERACTION BETWEEN SUBSYSTEM - W-Div-Engg-Exploration-Odd-2026-27/Repo-12 GitHub Wiki

Interacting Subsystems Interaction Type Details / Description
Vertical actuation unit
With Illumination Unit
vs.
With Control and Interface Unit 		Spatial Shared vertical stem clearance houses both mechanical linkages and LED wiring harnesses and the control unit shares the base enclosure while supplying electrical power and step signals to the motor
Data The control unit transmits digital step and direction command signals to operate the motor.[with control and interface unit]
Material Moving mechanical linkages operate alongside flexible LED wiring harnesses and Electrical wiring harnesses connect the control unit directly to the motor
Illumination unit
With vertical Actuation Unit
vs.
With Control and Interface Unit 		Spatial Shared vertical stem volume houses LED pathways alongside moving linkages and both units are housed together inside the centralized base enclosure
Data PWM brightness and timing control signals are transmitted to the lighting circuits.[with control and interface unit]
Material Flexible LED wiring runs parallel to moving mechanical push-rods and power traces, MOSFET switching lines and resistors connect driver circuitry to the LEDs
Control and interface unit
With Vertical Actuation Unit
vs.
With Illumination Unit 		Spatial The control board and driver share the enclosed base pot volume alongside the motor component and both the controller and lighting driver components are housed together inside the centralized base enclosure
Data The microcontroller transmits digital step and direction command pulses to the motor driver and PWM brightness and timing control signals are transmitted from the microcontroller to the lighting circuits
Material Electrical wiring harnesses and power cables connect the control board directly to the motor and power traces, MOSFET switching lines and current-limiting resistors connect the driver circuitry to the LEDs
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