02 ‐ Gathering Pertinent Information - T-div-Engg-Exploration-2026-27/Repo-8 GitHub Wiki
# Pertinent Information Gathering Document - Team 8
1. Components & Mechanisms Identification
| Sr. No. | Components (Electronics / Mechanical) | Mechanism / Working Principle Identified | Source Portals |
|---|---|---|---|
| 1 | ESP8266 Wi-Fi Microcontroller | Receives smartphone commands over Wi-Fi using MQTT/HTTP protocols to toggle lamp states. | Smart Lamp with ESP82... |
| 2 | WS2812B RGB LED Strip | Addressable LEDs utilizing a single-wire data protocol to display millions of custom colors. | How to use WS2812B R... |
| 3 | PIR Motion Sensor | Detects changes in passive infrared radiation to automatically turn the lamp on when someone enters. | Smart Switch 220V LED |
| 4 | Light Dependent Resistor (LDR) | Exhibits variable resistance based on ambient light levels, enabling automatic night-time activation. | Smart LED Dimming wit... |
| 5 | 5V Electromagnetic Relay Module | Uses a low-voltage digital signal to isolate and switch high-voltage AC mains power safely. | 5V Relay Module with Ar... |
| 6 | HC-SR04 Ultrasonic Sensor | Emits high-frequency sound waves to measure hand distance, allowing touchless dimming control. | Ultrasonic sensor and le... |
| 7 | TP4056 Charging Module & 18650 Battery | Manages safe constant-current/constant-voltage charging cycles to make the smart lamp portable. | TC4056 TP4056 USB 18... |
| 8 | SG90 Micro Servo Motor | Converts PWM pulse-width signals into precise mechanical rotation to physically tilt the lamp head. | Control Servo Motor with... |
| 9 | Capacitive TTP223 Touch Sensor | Detects the change in electrical capacitance caused by human skin proximity to act as a sleek power switch. | Make your own Capaciti... |
| 10 | Plexiglass / Acrylic Sheet Base & Mounts | Clear, rigid plastic sheets cut using hand saws or laser cutters; drilled and bent using heat guns to form custom structural brackets and housings for the lamp. | How to line bend acrylic ... |
| 11 | PVC Pipes and Elbow Connectors | Lightweight, hollow structural tubing used to route interior wiring while providing a rigid, modular frame for the lamp stem. | DIY Table-Reading Lamp... |
| 12 | Cardboard / MDF Board Enclosure | Easy-to-cut material used in rapid prototyping for creating outer lamp shades, internal structural dividers, and component mounting boxes. | How to make Table Lam... |
| 13 | Steel Extension / Tension Springs | Provides counter-balancing tension across mechanical pivot joints to support the weight of the lamp head without slipping. | Spring toggle mechanism 5 |
| 14 | Threaded Rods, Nuts, and Washers (M4/M6) | Universal lab hardware used to clamp structural joints, adjust arm tension, and secure electronic sensor brackets tightly. | COMO FAZER LUMINÁ... |
| 15 | Plywood / Wooden Blocks | Sturdy, weighted material drilled out to house internal power components and act as an anti-tipping base anchor. | How To Build A Wooden |
| 16 | Metal G-Clamp / Bench Vice Clamp | Clamps the main stem of the lamp securely to the edge of a study desk or workbench without requiring permanent drilling. | LED Desk Lamp, Adjusta... |
2. Direct Solutions for Need Statements
Q: What direct solutions are available for the need statements given for you? List all those solutions with images and brief descriptions with proper citation.
- Xiaomi Mi Smart LED Desk Lamp 1S
- Description: Features a dual-hinge folding metal arm with internal micro-dampers and an integrated microcontroller supporting Wi-Fi, app control, and a rotary knob for brightness/temperature tuning.
- IEEE Citation:
`[1] Xiaomi Inc., "Mi LED Desk Lamp 1S Specs and Overview," Xiaomi Global, 2021. [Online]. Available: https://www.mi.com/global/product/mi-led-desk-lamp-1s/
- BenQ WiT e-Reading LED Desk Lamp
- Description: Incorporates an articulated swing-arm with torque springs, patented ball-joint head, and a built-in ambient light sensor that automatically adjusts brightness levels.
- IEEE Citation:
[2] BenQ Corp., "WiT e-Reading Intelligent Swing Arm Desk Lamp," BenQ US, 2023. [Online]. Available: https://www.benq.com/en-us/lighting/e-reading-desk-lamp/e-reading.html
- Dyson Solarcycle Morph Smart Task Light
- Description: Utilizes a 360-degree rotating 3-point revolute joint with an optical head, IR motion sensors, and smart daylight tracking algorithms.
- IEEE Citation:
[3] Dyson Ltd., "Dyson Solarcycle Morph Desk Light Technology," Dyson India, 2022. [Online]. Available: https://www.dyson.in/dyson-solarcycle-morph-desk-light-white-silver
- Baseus Motion Sensor Desk Lamp
- Description: Compact battery-powered desk lamp featuring a 360-degree magnetic swivel ball joint, dual PIR motion/ambient light sensors, and touchless dimming controls.
- IEEE Citation:
[4] Baseus Official, "Baseus Motion Sensor Desk Lamp Specifications," Baseus Innovation, 2022. [Online]. Available: https://www.baseus.com/products/motion-sensor-desk-lamp
- Lumiy Lightblade 1500 Smart LED Lamp
- Description: Uses an aluminum alloy dual-hinge mechanical frame, integrated heat sinks, and capacitive touch sliders for light-spectrum adjustment.
- IEEE Citation:
[5] Lumiy Light Co., "Lumiy Lightblade 1500 Operational Guide," Lumiy Inc., 2020. [Online]. Available: https://www.lumiy.com/products/lightblade-1500
3. Local & Market Observations
Q: Observe in the local market, online market, and various labs of the college and in and around your locality to find out relevant hints and ideas which can be helpful for your project. List out at least 5 such observations, for each observation give a brief description with images.
- Local Electrical Market Observation: PVC Conduit & Friction Joints
- Location & Source: Local Electrical & Hardware Market.
- Observation & Hint: Electricians use standard 20mm hollow PVC pipes and elbow joints to run wiring safely. Heating PVC with a heat gun softens it enough to bend custom curved lamp stems without cracking, while threaded pipe caps can be tightened to create manual friction-adjustable hinges.
- Online Market Observation: Magnetic $360^\circ$ Ball Joints
- Location & Source: E-Commerce / Online Marketplaces (e.g., Amazon, Baseus Lamp Listings).
- Observation & Hint: Commercial smart reading lamps utilize a neodymium magnetic ball-and-socket joint at the lamp head. This provides smooth, full 360-degree rotational positioning while allowing quick, tool-free detachment of the LED shade module for handheld portable use.
- College Mechatronics / Physics Lab Observation: Counterweight Spring Mechanisms
- Location & Source: College Physics & Mechatronics Lab.
- Observation & Hint: Mechanical apparatuses (and classic architect swing-arm lamps) use steel tension springs mounted across parallel metal linkages. The spring tension offsets the gravitational torque produced by an extended lamp arm, relieving structural stress on small SG90 servo motors.
- College Electronics Lab Observation: PIR Sensor Fresnel Dome Masking
- Location & Source: College Embedded Systems / IoT Lab.
- Observation & Hint: PIR motion sensors feature a white plastic Fresnel lens dome. Partial masking of this dome using electrical tape restricts the sensor's field of view (FOV) from $120^\circ$ down to a narrow cone, ensuring the lamp turns on only when a person sits directly in front of the desk rather than triggering on room passersby.
- Local Hardware Shop Observation: Plywood & Acrylic Base Enclosures
- Location & Source: Local Carpentry Shop.
- Observation & Hint: A hollow weighted base constructed from 6mm plywood or laser-cut acrylic sheet securely conceals internal electronics (ESP8266, TP4056 module, relay, 18650 battery). Adding heavy metal washers or lead weights to the bottom of the base lowers the center of gravity, preventing top-heavy tipping during arm movement.
4. Cost Estimation for Existing Solution
Q: Calculate cost estimation for the existing solution.
| Component Name | Estimated Cost (INR) |
|---|---|
| ESP8266 Wi-Fi Microcontroller | ₹250 |
| WS2812B RGB LED Strip (1m) | ₹180 |
| PIR Motion Sensor | ₹70 |
| Light Dependent Resistor (LDR) | ₹10 |
| HC-SR04 Ultrasonic Sensor | ₹80 |
| TTP223 Capacitive Touch Sensor | ₹25 |
| 5V Electromagnetic Relay | ₹45 |
| TP4056 Charger & 18650 Battery | ₹220 |
| SG90 Micro Servo Motor | ₹120 |
| Steel Extension Springs (Pair) | ₹60 |
| Threaded Rods, Nuts, and Washers | ₹70 |
| Metal Bench Vice / G-Clamp | ₹150 |
| PVC Pipes and Connectors | ₹60 |
| Plexiglass / Acrylic Sheet | ₹120 |
| Plywood / MDF Base Blocks | ₹90 |
| Total Prototype Cost | ₹1,550 |
- Mass Production Cost (Per Unit at 1,000+ Units): ₹850 – ₹1,000