IoT & Embedded Systems Development
Exelon Circuits designs connected products end to end: circuit boards, firmware, connectivity, cloud and the app or dashboard on top. We've built a working home-automation lab for MAHE in Manipal, a smart manufacturing system, school-bus monitoring and equipment-tracking platforms.
What we build
Comprehensive technical solutions engineered for security, reliability and measurable business outcomes.
PCB design & prototyping
Schematics, multi-layer layouts, BOM optimisation and prototype assembly.
Embedded firmware
Firmware for ESP32, STM32, nRF and other microcontrollers, with secure OTA updates.
Connectivity & M2M
Wi-Fi, Bluetooth LE, LoRa, 4G/LTE-M/NB-IoT and M2M SIM integration.
IoT cloud platforms
Device management, telemetry, alerts and dashboards on AWS, Azure or custom backends.
Industrial IoT
Machine monitoring, energy metering, predictive maintenance and PLC/Modbus integration.
Home & building automation
Smart locks, lighting, sensors, cameras and appliance control.
Tracking & telematics
GPS fleet tracking, school-bus monitoring and asset tracking.
Companion apps
Mobile and web apps to control and monitor your devices.

Who we work with
Hardware engineering and sensor telemetry for diverse operational needs:
Hardware and electronics startups
Transforming sketches and dev-kit proofs into commercial, manufacturable PCBs
Industrial manufacturing plants
Machine uptime monitoring, automated energy logging, and PLC retrofits
Universities and research laboratories
Educational IoT training facilities and specialized data logging rigs
Fleet and transport operators
GPS asset tracking, fuel monitoring, and vehicle diagnostics
Commercial facility managers
Smart lighting, occupancy sensors, energy metering, and HVAC automation
Aquaculture and agriculture
Water quality sensors, soil moisture telemetry, and cold-storage alarms
From idea to product
A disciplined, transparent delivery sequence ensuring predictable timelines and verified deliverables.
Feasibility
Review operational requirements, battery power budgets, wireless range, and BOM cost targets.
Proof of concept
Bench testing using development kits and breadboard sensor modules to validate functionality.
Hardware design
Custom multi-layer PCB schematics, enclosure dimensioning, and component sourcing.
Firmware & cloud
Embedded C/C++ firmware, secure OTA updates, and cloud telemetry backends.
Field testing
Real-world environmental trials, battery discharge tests, and thermal stress audits.
Pilot production
Manufacturing files (Gerber/BOM), testing jigs, and pilot batch assembly coordination.
Hardware & Protocols
Leading microcontrollers, communications, and cloud architectures:
Microcontrollers
ESP32, STM32 ARM Cortex, Nordic nRF52, Raspberry Pi compute modules
Protocols
MQTT, Modbus RTU/TCP, BLE 5.x, LoRaWAN, HTTP/REST, CAN bus
Cloud Infrastructure
AWS IoT Core, Azure IoT Hub, and custom high-throughput Node.js/Python backends
Design Tools
Industry-standard EDA tools for schematic capture and multi-layer board routing
Proven Deployments & Results
Real client solutions engineered, tested, and running in production.

MAHE Home Automation
A fully functional IoT training environment integrating smart locks, cameras, sensors, lighting, and appliances for real-world student experimentation. Hands-on learning improved students' understanding of automation and prepared them for IoT careers.

Smart Traffic Management System
An AI-powered traffic monitoring solution using real-time data to optimise signal timings and detect violations. It reduced congestion and improved road safety through automated enforcement and traffic flow analysis.
What IoT & Embedded Systems Costs
IoT and embedded systems development follows a milestone-based engineering model:
Why Partner with Exelon Circuits?
Local presence, certified engineering personnel, and dedicated post-deployment support.
Electronics design, firmware, cloud backends, and companion mobile apps developed under one roof with zero hand-off gaps
Hardware security designed in from schematic phase, in full compliance with telecommunications regulations
Proven working installations in universities and industrial environments across Karnataka
Engineering team based in Surathkal, Mangaluru, enabling in-person prototype reviews and testing
Full design ownership: schematics, Gerber manufacturing files, and source code belong to you
Frequently Asked Questions
Clear answers regarding deployment timelines, technical scope, and ongoing support.
Building something physical?
Tell us what it should sense, control or track. We'll tell you how we'd build it.
Related Technical Reading
Engineering deep-dives, regulatory updates, and technical best practices.

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STQC Certified CCTV: India's 2026 Rules Explained
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