Multi-Node LoRa Alarm Mesh Variant 3
Multi-Node LoRa Mesh Alarm Kit — Build a Wireless Security Network
Every part needed, pre-tested for compatibility, with an AI build companion trained on this exact project. Shipped from Bengaluru in 3-5 days.
Create a resilient, long-range alarm system that covers a wide area without relying on Wi-Fi or cell networks. Each LoRa node independently detects intrusion via PIR motion sensors and magnetic reed switches, then relays the alarm hop-by-hop back to a central gateway — all powered by rechargeable Li-ion cells and protected in waterproof enclosures. Designed for builders who need a reliable security solution in off-grid locations.
What You'll Build
Eight fully-functional sensor nodes, each housed in a weatherproof box, that form a self-healing mesh network. When any node triggers, its alarm message automatically routes through the mesh to a central Arduino-based gateway panel, alerting you instantly. You’ll have a deployable, battery-powered perimeter alarm system that can cover multiple acres and operate for weeks on a single charge.
What You'll Learn
- Design and configure a LoRa mesh network using RA-02 modules and Arduino Nano
- Interface PIR and reed switch sensors for reliable intrusion detection
- Implement low-power strategies with 18650 Li-ion cells and TP4056 modules to extend node battery life
- Solder and assemble PCBs onto prototype boards and seal them in waterproof enclosures for outdoor deployment
Kit Contents
| Component | Quantity |
|---|---|
| Arduino Nano | 9 |
| RA-02 LoRa Module | 9 |
| HC-SR501 PIR Sensor | 8 |
| Reed Switch | 8 |
| 433MHz Antenna | 9 |
| 18650 Li-ion Cell | 8 |
| TP4056 Charging Module | 8 |
| 100nF Ceramic Capacitor | 30 |
| 10kΩ Resistor | 20 |
| PCB Prototype Board | 9 |
| Waterproof Enclosure | 8 |
| Soldering Iron | 1 |
| Solder Wire | 1 |
Why Buy This Kit Instead of Sourcing Parts Separately
| Factor | Sourcing Separately | Compoden Kit |
|---|---|---|
| Compatibility checks | You verify LoRa module, antenna, and power circuit compatibility | All components pre-tested as a complete system; mesh protocol verified |
| Build support | Forums, random tutorials, and datasheets | AI companion trained on this exact mesh project, with WhatsApp backup |
| Time to first working build | Days of troubleshooting signal range, mesh routing, and false triggers | Hours, with step-by-step instructions tailored to this 8-node network |
| Shipping coordination | Multiple sellers, varied delivery times, missing parts | One shipment from Bengaluru in 3-5 days; no missing components |
Who This Kit Is For
Advanced makers, B.Tech ECE final-year students, and IoT security engineers who want to build a scalable, off-grid perimeter alarm. Ideal for farm owners securing large properties, warehouse managers needing low-cost monitoring, and tech enthusiasts prototyping long-range wireless sensor networks. Students from IIT, NIT, VIT, and BITS Pilani will find this kit invaluable for capstone projects or hackathon submissions.
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 access your AI build companion, which is trained specifically on this LoRa mesh alarm. If you need human help, reach out via WhatsApp, and our support team will guide you through.
Can I expand the network to more than 8 nodes?
Yes, the mesh protocol is designed to scale. The AI companion includes guidance on adding extra sensor nodes and modifying the firmware for larger deployments.
Is this kit suitable for outdoor security monitoring?
Absolutely. Each sensor node is enclosed in a waterproof box, and the low-power design allows it to run for weeks on a single 18650 cell. The LoRa mesh covers hundreds of meters, making it ideal for perimeter protection.
Do I need prior experience with LoRa or Arduino?
Basic soldering and Arduino IDE familiarity are recommended, but the step-by-step instructions and AI companion will walk you through every configuration, from loading firmware to testing the mesh network.
Eight LoRa sensor nodes self-route alarm messages through mesh to a central gateway panel.
What's in this kit
- Arduino Nano x9
- RA-02 LoRa x9
- HC-SR501 PIR x8
- Reed Switch x8
- 433MHz Antenna x9
- 18650 Cell x8
- TP4056 Module x8
- 100nF Caps x30
- 10kΩ Resistors x20
- PCB Prototype Board x9
- Waterproof Enclosure x8
- Soldering Iron
- Solder Wire
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.
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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