Protect Elderly Loved Ones with This Arduino Mega Blind Spot Monitor Kit
Protect Elderly Loved Ones with This Arduino Mega Blind Spot Monitor Kit
Every part needed, pre-tested for compatibility, with an AI build companion trained on this exact project. Shipped from Bengaluru in 3-5 days.
Imagine a device that watches the blind spots around an elderly family member's home-hallway corners, stair landings, or doorless entries-and instantly warns them of approaching objects. This kit puts you in control of building that guardian. Using four HC-SR04 sensors, an Arduino Mega, and a crisp OLED display, you'll create a real-time proximity alert system that can help prevent falls and collisions, all while learning professional hardware integration and soldering.
What You'll Build
A wall-mountable, four-channel ultrasonic monitor that scans critical zones simultaneously. When an object enters a detection range on any side, the active buzzer triggers and the OLED screen displays exactly which sensor detected it. The module logs every event with timestamps via a DS3231 RTC and MicroSD card, so you can later review activity patterns. It runs on a 9V battery for portable testing or can be hardwired for permanent installation.
What You'll Learn
- Calibration of multiple HC-SR04 sensors for directional coverage and false-positive reduction
- Programming Arduino Mega GPIOs to interface with OLED, RTC, and SD card simultaneously
- Soldering components onto a prototype PCB and managing power delivery
- Designing alert logic with built-in debouncing and event logging for reliability
Kit Contents
| Component | Quantity |
|---|---|
| Arduino Mega 2560 | 1 |
| HC-SR04 | 4 |
| 0.96in OLED | 1 |
| Active Buzzer | 1 |
| DS3231 RTC | 1 |
| MicroSD Module | 1 |
| 10k? Resistors | 10 |
| 100nF Caps | 10 |
| PCB Prototype Board | 2 |
| 9V Battery Snap | 1 |
| Soldering Iron | 1 |
| Solder Wire | 1 |
Why Buy This Kit Instead of Sourcing Parts Separately
| Factor | Sourcing Separately | Compoden Kit |
|---|---|---|
| Compatibility checks | You verify every part | Pre-tested as a system |
| Build support | Forums and scattered tutorials | AI companion trained on this exact project |
| Time to first working build | Days of debugging | Hours, with step-by-step guidance |
| Shipping coordination | Multiple sellers, multiple delays | One shipment from Bengaluru in 3-5 days |
Who This Kit Is For
Designed for advanced engineering students and makers who want to tackle real-world assistive technology. It's ideal for B.Tech ECE/EEE final-year projects, Smart India Hackathon health-tech prototypes, and anyone prototyping elderly care systems at ATL Tinkering Labs or in IIT/NIT/VIT/BITS colleges. The data-logging capabilities also make it suitable for a documented campus safety research project.
Built and Backed by Compoden
Every Compoden kit ships with an AI build companion trained on this exact project - accessible via a QR code on the box, with WhatsApp and email backup. We've spent 10 years building projects for makers, schools, and institutions across India. If a part fails because of a manufacturing defect, replace it free within 7 days.
What if I get stuck during the build?
Scan the QR code on the box to launch the AI companion-it knows every component and pin mapping for this kit. If you need a human touch, WhatsApp support is included at no extra cost.
Can I adjust the detection range to suit different rooms?
Absolutely. The HC-SR04's range can be tuned in code, and the AI assistant will guide you through setting different thresholds per sensor, ideal for narrow hallways versus open living areas.
Is this suitable for a college project report or hackathon submission?
Yes. The built-in RTC and MicroSD logging create clear event timestamps, and the OLED display demonstrates working output. The documentation includes code walkthroughs that meet academic and hackathon criteria.
Does the 9V battery last long enough for a live demo?
A fresh 9V alkaline will power the kit for several hours of continuous monitoring. For permanent installations, the AI companion explains how to wire an external 5V supply for indefinite use.
Four HC-SR04 ultrasonic on outside walls measure proximity of approaching objects for elderly safety alert.
What's in this kit
Choose your assembly option:
- Soldering Kit - 25W soldering iron, 60/40 solder wire, flux, and small perfboard for permanent assembly.
- Breadboard Combo - 800-point full-size breadboard with 65-piece jumper wire pack for solderless prototyping.
Other projects you can build
Shipping Information
- Prepaid Orders: ₹75 for orders up to ₹999, FREE shipping above ₹999
- COD Orders: ₹125 shipping + ₹50 COD fee = ₹175 total
- Delivery Timeline: Dispatch in 1-2 days, delivery in 2-7 days depending on location
Returns & Warranty
- 7-Day Return: Manufacturing defects only (approval required)
- Warranty: 7 days from delivery
- Non-Returnable: Batteries, consumables, cut wires, clearance items