• Team Lead: Arshiya Sulfikkar - MITS
• Member 2: Angela Elsa John - MITS
• Member 3: Hena Suvarnan - MITS
• Member 4: Hridya K K - MITS

Hydrolumos is a saltwater-powered light with a backup magnetic induction system. It offers reliable, eco-friendly lighting using saltwater electrolysis and manual energy generation, perfect for emergencies, remote locations, and sustainable living.

During a flood with rising water, no power and a dead phone, there's a need for a reliable, effortless light source.

Hydrolumos provides a clean, battery-free lighting solution powered by saltwater, with a built-in magnetic induction backup system for manual power generation. It ensures dependable, eco-friendly light in any situation—ideal for remote communities, disaster relief, and sustainable living.

For Software:

• Languages used: html,css,javascript
• Tools used: Google Fonts,Vanilla CSS, External Stylesheet, Vanilla JavaScript, DOM APIs, Browser Event Listeners, CSS Animation Trigger

For Hardware:

Main components -

1. ⚡ Power Generation

A. Saltwater Electrochemical Cell

Anode: Magnesium, Zinc, or Aluminum plate

Cathode: Copper or Graphite plate

Electrolyte: Saltwater (NaCl solution)

Cell Container: Non-corrosive chamber to hold electrolyte and electrodes

B. Magnetic Induction System (Backup Power)

Coil: Copper wire (enameled)

Magnet: Neodymium magnet

Motion Mechanism: Hand crank, pendulum, or shaker system

2. ⚙️ Energy Conditioning / Control

DC-DC Boost Converter: Increases low voltage to LED-operating level

Bridge Rectifier (optional): Converts AC from induction to DC

Resistors: Controls current flow to prevent LED burnout

Switch/Button: User-controlled ON/OFF operation

Potentiometer / Slider: Brightness control (matches your web demo UI)

3. 💡 Light Output

LED(s): High-efficiency white LEDs (low voltage, low current)

Light Diffuser / Lens: Improves light spread and appearance

Mount / PCB: For clean LED mounting and heat management

4. 🧱 Enclosure (Structure)

Waterproof Casing: Durable, possibly 3D-printed or plastic mold

Internal Layout: Isolated compartments for:

Saltwater cell

Electronics

Induction mechanism

Transparent Window: For LED visibility

List specifications-

1.⚡ Power Generation

Magnesium/Zinc Plate ~1mm thick, 50x50mm plate (high surface area for reaction)

Copper/Graphite Plate Same size as anode; good conductivity and corrosion resistance

Saltwater 5–10% NaCl solution (by weight); room temperature preferred

Copper Coil Enameled wire, 28–32 AWG, 200–500 turns on ferrite/plastic core

Neodymium Magnet Disc or cylinder, N42 grade or higher, 10–20mm diameter, strong pull

2.⚙️ Energy Control & Regulation

Component Suggested Specification

DC-DC Boost Converter Input: 0.9–5V, Output: 3.3–5V, up to 600mA; e.g., MT3608 module

Resistor 100–330Ω (depends on LED type and input voltage)

Potentiometer / Slider 10kΩ linear (for smooth brightness control)

Switch / Button SPST (Single Pole Single Throw), 3–6V rating, toggle or momentary

3.💡 Light Output

Component Suggested Specification

White LED 3V forward voltage, 20mA current, 5mm or SMD type, 15,000–20,000 mcd

Diffuser/Lens Frosted acrylic or polycarbonate, matte finish, diameter: 20–50mm

4.🧱 Structure & Housing

Component Suggested Specification

Waterproof Enclosure IP65 or higher, ABS/plastic casing, space for electrodes + circuits

Tools required-

1.🔧 Basic Tools

Screwdriver set – for enclosure assembly

Wire cutters/strippers – for preparing electrical connections

Needle-nose pliers – for bending or placing wires and components

Utility knife / hobby knife – for trimming plastic, wires, or insulation

2.🔌 Electrical Tools

Multimeter – to measure voltage, current, and resistance

Soldering iron – for making permanent connections

Solder wire – preferably lead-free (e.g., Sn99.3 Cu0.7)

Helping hands / PCB holder – to stabilize components while soldering

Heat shrink tubing or electrical tape – for insulating connections

3.🧪 Prototyping & Assembly

Breadboard (optional) – for prototyping before soldering

Jumper wires – if testing on a breadboard

Hot glue gun – to secure components inside the casing

Drill + bits – for creating holes in the enclosure for wires/buttons

4.🖌️ Finishing Tools (Optional)

3D printer – for custom casing or mounts

Sandpaper/file – to smooth enclosure edges

Label maker or stickers – for labeling buttons or ports

Demo Image-

• Angela Elsa John – Prepared the README documentation
• Arshiya Sulfikkar – Developed the HTML structure and content
• Hena Suvarnan – Designed and styled the website using CSS
• Hridya K K – Implemented interactivity and functionality using JavaScript