CONCEPT GENERATION - S-Div-OddSem-2026-27/Repo-1 GitHub Wiki

TEAM 1 FUNCTIONS FROM USER PERSPECTIVE FUNCTIONS FROM ENGINEER PERSPECTIVE
1 Bot react when light shines on it Sense light intensity using LDR/light sensor
2 Act by itself, with no button pressed Read analog LDR voltage signals into Arduino Uno input pins
3 Closes when the light gets bright Drive SG90 servos to rotate wings
4 Wings open again when it gets dark Reverse servo positions using Arduino signal
5 Send simultaneous PWM signals to servos
6 3D print body wings and base
7 Route wiring inside base compartment board
8 Mount servos on internal body frames
9 Supply regulated 5v to the board
10 Filter noisy sensor signals using code
11 Connect hinges between body and wings
12 Enclose Arduino inside base compartment housing
13 Compare LDR1 and LDR2 sensor values
14 Connect Arduino USB port to computer
15 Connect power rails through breadboard PCB
16 Set motor angle limits in code
17 Balance component weight over base center
18 Write main loop code for microcontroller
19 Print parts with strong material

Activity - 3 : Morphological Chart

Serial No. Subfunctions Means 1 Means 2 Means 3 Means 4 MEANS 5
1 Detects light
LDR

photodiode

Phototransistor

Light sensor module

BH1750 light sensor
2 Processes sensor signal
Arduino uno

Arduino nano

ESP 32

Raspberry Pi Pico

MTSM32 micro controller
3 Move the vampire wings
DC geared motor

Servo motor

Stepper motor

Continuous rotation servo

Linear actuator
4 Connect wings
pin hinge

Ball joint

Flexible joint

Metal hinge

Magnetic joint
5 Give voice response
DFPlayer mini + speaker

Buzzer

Voice module

MP3 module

LS2AUDIODAC Module
6 Power the system
5V adapter

Battery

Power bank

USB supply

Hand winding dynamo

CONCEPT DESIGN

Serial No. Subfunctions Concept 1 Concept 2 Concept 3 Concept 4 Concept 5
1 Light detection LDR sensor Photodiode Phototransistor Light sensor module BH175O light semsor
1 Control unit Arduino Uno Arduino Nano ESP32 ATmega328P MTSM32 micro controller
3 Wing mechanism Direct servo joint Linkage mechanism Gear Mechanism Pully mechanism actuator mechanism
4 Wing actuation SG90 sevo MG90s servo MG996R sevo DC generated motor Linear actuator
5 Audio response Buzzer mini speaker DFPlayer mini+speaker MP3 module LS2AUDIODAC Module
6 Power supply 5V adapter Power bank AA battery pack Rechargeable battery Hand winding dynamo


Activity 2 - Function Tree

Function Tree Flowchart

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