IoT Development Company
From Custom Firmware and PCB-Level Hardware to Cloud Dashboards, Engineered for Factories, Homes, and the Body
Industrial IoT Solutions, Home Automation Systems & BLE (Bluetooth Low Energy) Development - Sensors, Connectivity, Firmware, and Dashboards Built to Run for Years
Most IoT projects fail in the field because success depends on reliable engineering across hardware, firmware, cloud/backend, and application layers. At Evolution Infosystem, IoT development covers Industrial IoT Solutions including predictive maintenance, SCADA/PLC integration via Modbus and OPC-UA, asset tracking, and OEE dashboards; Home Automation Systems for smart lighting, security, climate control, voice assistants, and mobile apps; and BLE Development for custom wearables, beacons, BLE mesh networking, and iOS/Android integration. We have delivered 120+ IoT devices and systems, from industrial sensor networks to multi-day battery-powered wearables.
Firmware + Hardware + Cloud + App
Industrial + Residential + Wearable
NDA Protected
120+
IoT Devices & Systems Shipped
3
IoT Specialisms
BIS/WPC
Certification Support
Free
IoT Feasibility Consultation
What Is IoT Development & Why Do Most IoT Prototypes Never Become Products?
The Internet of Things (IoT) connects physical devices such as sensors, actuators, controllers, and wearables to collect and exchange data over a network. An IoT system comprises multiple layers: the device (sensors, microcontroller, power, enclosure), firmware, connectivity (Wi-Fi, Bluetooth Low Energy, Zigbee, LoRaWAN, or cellular), cloud or local backend for data processing, and the application layer with dashboards, mobile apps, and automation that turn data into actionable insights.
Most IoT prototypes never become production products because they validate only one or two of the five IoT layers under ideal lab conditions. Real-world deployments expose failures in connectivity (for example, Wi-Fi inside steel enclosures), battery life (affected by Bluetooth power, sensor sampling, and sleep modes), and protocol scalability, where a system that performs well with a few devices may become unreliable at larger scale if the wrong connectivity technology was chosen.
At Evolution Infosystem, IoT development spans three disciplines: Industrial IoT Solutions for electrically noisy environments requiring SCADA/PLC integration via Modbus and OPC-UA, long-range connectivity, and years of unattended operation; Home Automation Systems focused on simple installation and interoperability with Alexa, Google Home, and Matter; and BLE Development for wearables, beacons, and battery-powered devices where low power consumption is critical. We have shipped 120+ IoT devices and systems with end-to-end expertise across hardware, firmware, connectivity, cloud, and applications, taking products from feasibility to real-world deployment.
| Why IoT Prototypes Fail in the Field | What Production-Grade IoT Engineering Delivers |
|---|---|
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Our IoT Development Services - Three Specialisms, One Expert Team
Each service below has a dedicated full-length page with technical depth, architecture diagrams, code examples, case studies, and FAQs. This hub provides the overview - click through to the service page for complete detail.
Industrial IoT Solutions
Predictive maintenance, asset tracking, and SCADA/PLC integration for factories and process plants
- Vibration, temperature, and current sensor networks
- Predictive maintenance models from sensor data trends
- Modbus RTU/TCP and OPC-UA integration with PLCs/SCADA
- Edge gateways for local processing and protocol translation
- OEE (Overall Equipment Effectiveness) dashboards
- Industrial-grade enclosures, power, and EMI considerations
Home Automation Systems
Smart lighting, security, climate control, and voice assistant integration for residential and commercial buildings
- Smart lighting, switches, and scene-based automation
- Security: smart locks, cameras, door/window sensors
- HVAC control and energy monitoring
- Alexa, Google Home, and Matter ecosystem integration
- Mobile app for remote control and automation rules
- Zigbee/Z-Wave/Wi-Fi network design for multi-device homes
BLE (Bluetooth Low Energy) Development
Custom firmware and mobile integration for wearables, beacons, and battery-powered sensors where power efficiency determines whether the product is viable
- BLE Firmware Development: GATT service design, peripheral firmware on nRF52/ESP32, and power-optimised sensor sampling and advertising intervals
- Beacons & Indoor Positioning: iBeacon/Eddystone beacon firmware, proximity detection, and BLE-based indoor positioning for retail and asset tracking
- Mobile App BLE Integration: iOS (CoreBluetooth) and Android (Bluetooth LE API) integration, BLE mesh networking, and OTA firmware updates over BLE
Have an IoT Idea That Worked on the Bench but Worries You About the Real World?
Tell us your use case, the environment it needs to operate in, and what you've already prototyped. We'll map the connectivity, power, and hardware decisions that determine whether it survives deployment - free, no commitment.
IoT Development Services - In-Depth
Industrial IoT Solutions
Industrial IoT (IIoT) connects sensors, machines, and industrial control systems to deliver visibility, automation, and predictive insights across manufacturing and process operations. Unlike consumer IoT, IIoT must operate reliably in environments with electrical noise, large facility footprints, legacy PLCs and equipment using protocols such as Modbus RTU, RS-485, and Profibus, and continuous unattended operation. These challenges require robust networking through mesh, LoRaWAN, or industrial Ethernet, along with resilient hardware and firmware engineered for long-term industrial deployment.
Home Automation Systems
Home automation connects lighting, climate control, security devices, and appliances into systems that support remote control, automation, and voice assistant integration across homes, apartment complexes, and commercial buildings. Successful deployments prioritise easy smartphone-based setup through QR code or Bluetooth pairing, interoperability using standards such as Matter, and reliable performance with 30-60 connected devices. Zigbee and Z-Wave mesh networks remain widely used for low-power lighting and sensors, delivering dependable connectivity beyond standard Wi-Fi.
BLE (Bluetooth Low Energy) Development
Bluetooth Low Energy (BLE) is a wireless protocol optimised for battery-powered devices that transmit small amounts of data while spending most of their time in low-power sleep mode. Unlike classic Bluetooth or Wi-Fi, BLE is designed for long battery life, making it ideal for wearables, medical devices, smartwatches, beacons, and battery-powered sensors. BLE firmware development focuses on implementing the GATT (Generic Attribute Profile), defining services and characteristics that allow smartphones and other central devices to securely read, write, and receive notifications from connected peripherals.
Our IoT Development Technology Stack
| CATEGORY | TECHNOLOGIES | USE CASE |
|---|---|---|
| Microcontrollers | ESP32, ESP8266, Nordic nRF52, STM32, Raspberry Pi | Sensor nodes, gateways, wearable hardware |
| Firmware Languages | C/C++ (Arduino, ESP-IDF, Zephyr RTOS), Rust | Embedded firmware development |
| Wireless Protocols | Wi-Fi, BLE, Zigbee, Z-Wave, LoRaWAN, Thread/Matter | Device connectivity by range/power profile |
| Industrial Protocols | Modbus RTU/TCP, OPC-UA, Profibus, CAN bus | PLC/SCADA integration |
| IoT Messaging | MQTT, CoAP, WebSocket, HTTP/REST | Device-to-cloud data transport |
| Cloud IoT Platforms | AWS IoT Core, Azure IoT Hub, Google Cloud IoT | Device management, ingestion, device shadow |
| Edge Computing | AWS IoT Greengrass, Azure IoT Edge, Balena, Docker | Local processing, protocol translation |
| Time-Series Database | InfluxDB, TimescaleDB, AWS Timestream | Sensor data storage and querying |
| Dashboards | Grafana, Node-RED, custom React dashboards | Operational dashboards, OEE, monitoring |
| Mobile App Dev | React Native, Flutter, Swift (CoreBluetooth), Kotlin (BLE API) | Control apps, BLE device pairing |
| Smart Home Hubs | Home Assistant, SmartThings, Matter/Thread border routers | Multi-protocol home automation hub |
| Voice Assistants | Amazon Alexa Skills Kit, Google Home Actions | Voice control integration |
| Device Security | TLS/mTLS, X.509 certificates, secure boot, encrypted storage | Device authentication and data protection |
| OTA Updates | ESP-IDF OTA, AWS IoT Jobs, BLE DFU (Nordic) | Remote firmware update pipelines |
| Hardware Design | PCB schematic/layout, enclosure design, EMI/EMC considerations | Custom hardware for industrial/wearable products |
Our IoT Development Process - 6 Phases
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BLE vs Wi-Fi vs Zigbee vs LoRaWAN - Which Wireless Protocol for Your IoT Device in 2026?
| FACTOR |  |  |  |  |
|---|---|---|---|---|
| Range | 10-50m | 30-100m (per AP) | 10-100m (mesh-extended) | 2-15km |
| Power consumption | Very low (months-years on coin cell) | High (days on small battery) | Low (months-years) | Very low (years on battery) |
| Data rate | Low (~1 Mbps practical) | High (10s-100s Mbps) | Low (~250 kbps) | Very low (0.3-50 kbps) |
| Network topology | Point-to-point / mesh (BLE Mesh) | Star (via router/AP) | Self-healing mesh | Star (gateway-based) |
| Internet connection | Via phone/gateway | Direct to router | Via hub/coordinator | Via LoRaWAN gateway |
| Setup complexity | Moderate (app pairing) | Simple (existing Wi-Fi) | Requires hub/coordinator | Requires gateway infrastructure |
| Best for | Wearables, beacons, battery sensors | Cameras, high-bandwidth devices | Smart home lighting/sensors at scale | Long-range, low-data agri/asset sensors |
| Typical use cases | Fitness bands, BLE locks | Smart plugs, cameras, Wi-Fi bulbs | Smart home hubs (Home Assistant) | Agriculture, utility metering, large campuses |
Choose BLE when: the device is battery-powered and needs to last weeks to years (wearables, beacons, asset tags), the device primarily communicates with a smartphone (fitness trackers, smart locks), or you need BLE Mesh for many-to-many device communication without Wi-Fi infrastructure (large-scale lighting control).- Choose Wi-Fi when: the device has access to mains power or can tolerate frequent charging (smart plugs, cameras, smart displays), high data rates are needed (video streaming from cameras), or the device needs to communicate directly with cloud services without an intermediary gateway/hub.
- Choose Zigbee (or Z-Wave) when: you're building a smart home/building system with many low-power sensor and lighting devices that need a self-healing mesh network independent of Wi-Fi congestion - Zigbee remains the dominant protocol for smart home hubs like Home Assistant and SmartThings, though Matter (which can run over Wi-Fi, Thread, or Ethernet) is increasingly used for new device certifications.
- Choose LoRaWAN when: devices need to transmit small amounts of data (a few bytes to a few hundred bytes) over very long range (kilometres) on minimal power - agricultural sensors (soil moisture across large farms), utility metering, and asset tracking across large campuses or industrial sites where Wi-Fi/BLE range is insufficient and cellular connectivity cost or power consumption is prohibitive.
- Many IoT systems use multiple protocols together: a BLE wearable syncs to a phone app, which uploads to the cloud over the phone's Wi-Fi/cellular connection; a Zigbee smart home mesh connects to the internet via a Wi-Fi-connected hub; a LoRaWAN sensor network reports to a gateway that has cellular or Ethernet backhaul. The protocol selection for each link in this chain should match that link's specific range, power, and bandwidth requirements - not be driven by a single 'IoT protocol' choice for the whole system.
Prototype's battery life or range falling short?
We review your current hardware and firmware against your power budget and deployment environment, and identify the specific changes - protocol, sleep strategy, antenna design - that close the gap.
Want to see our IoT devices in the field?
Browse 120+ IoT deployments - industrial sensor networks, smart home installations, and BLE wearables - with real connectivity, battery life, and outcome data.
IoT Development Use Cases by Industry
Manufacturing & Process Plants
Predictive maintenance, OEE, energy monitoring
Vibration and temperature sensor networks on motors, pumps, and gearboxes for predictive maintenance - detecting bearing wear and misalignment weeks before failure. Modbus/OPC-UA gateways integrating with existing PLCs to pull machine state (running/idle/down) for OEE dashboards. Energy monitoring at the panel or machine level to identify high-consumption equipment and off-hours waste. Edge gateways performing local FFT-based vibration analysis to reduce cloud bandwidth while sending only feature summaries and alerts.
Real Estate & Smart Buildings
Smart apartments, common-area automation, building management
Smart home automation packages for residential developers - pre-wired lighting, security, and climate control as a differentiator for new apartment projects, with a unified app across all units. Common-area automation (lobby lighting, lift call optimisation, common HVAC scheduling) integrated with building management systems. Visitor management with smart locks and BLE/app-based access for residents and approved visitors. Energy monitoring across units for utility billing transparency.
Healthcare & Wearables
Remote patient monitoring, BLE medical wearables
BLE wearables for continuous monitoring (heart rate, SpO2, activity, fall detection for elderly care) syncing to a companion mobile app and onward to a clinician dashboard. Remote patient monitoring kits combining BLE-connected medical devices (blood pressure cuffs, glucometers, pulse oximeters following the BLE Health Device Profile) with a gateway app that uploads readings for clinician review between visits. Hospital asset tracking using BLE beacons on equipment (infusion pumps, wheelchairs) with fixed receivers for location.
Agriculture
Soil sensors, irrigation automation, LoRaWAN networks
LoRaWAN soil moisture, temperature, and humidity sensor networks across farmland, feeding automated irrigation decisions (valve actuators triggered when soil moisture drops below threshold, reducing water usage and labour). Weather station integration combining on-farm sensor data with weather forecasts for irrigation and spray scheduling. Livestock tracking using BLE or LoRaWAN ear tags for location and health monitoring across large grazing areas where cellular coverage may be inconsistent.
Retail
BLE beacons, indoor navigation, smart shelves
BLE beacon deployments for proximity marketing (app notifications when customers are near specific store sections) and indoor navigation in large retail spaces or malls. Asset and inventory tracking using BLE tags on high-value items with fixed receivers for shrinkage reduction. Smart shelf sensors (weight or BLE-based) for low-stock alerts and planogram compliance monitoring, integrated with existing retail ERP/POS systems for inventory accuracy.
Logistics & Cold Chain
Asset tracking, cold chain monitoring, fleet telematics
BLE/LoRaWAN-based cold chain monitoring for pharmaceutical and food logistics - temperature and humidity loggers on shipments with alerts if cold chain is broken, integrated with the custom ERP systems we build for distribution clients for batch-level traceability. Reusable asset tracking (crates, pallets, containers) using BLE tags with gateway receivers at warehouse entry/exit points. Fleet telematics combining GPS, vehicle diagnostics (OBD-II), and driver behaviour sensors for route optimisation and maintenance scheduling.
Frequently Asked Questions - IoT Development
Industrial IoT (IIoT) and consumer IoT share core technologies such as sensors, microcontrollers, wireless connectivity, and cloud platforms, but differ significantly in their requirements. IIoT must operate reliably in electrically noisy environments, integrate with legacy protocols including Modbus, OPC-UA, and Profibus, support large facilities, and deliver years of unattended operation. Consumer IoT prioritises simple installation, interoperability with ecosystems such as Alexa, Google Home, Apple Home, and Matter, and reliable management of dozens of connected devices on consumer-grade networks.
The right protocol depends on your device's power source and communication requirements. BLE is ideal for battery-powered wearables, beacons, and sensors that need weeks or years of battery life. Wi-Fi is best for mains-powered devices requiring direct cloud connectivity without additional infrastructure. Zigbee is well suited to low-power smart home and building devices operating in reliable mesh networks, while Matter is the emerging standard for cross-ecosystem compatibility. A common architecture combines BLE for device-to-phone communication, Wi-Fi or cellular for cloud connectivity, and Zigbee or Thread for fixed smart-home mesh networks.
The answer depends on whether off-the-shelf devices meet your requirements for functionality, form factor, power efficiency, and integration. For home automation, certified smart bulbs, switches, sensors, and locks are often the best starting point, with custom development focused on unified apps, automation, and voice assistant integration. For Industrial IoT, many sensors are available off the shelf, but custom gateways, cloud integration, or hardware may be required to support specific protocols, environmental conditions, and operational requirements. The right approach is to use standard hardware where it fits and build custom solutions only where they deliver clear business value.
OTA capability is built into the firmware from the start, since adding it after deployment is often impractical. For Wi-Fi and cellular devices, firmware updates are delivered through cloud services such as AWS IoT Jobs or custom update servers, downloaded to a secondary flash partition, verified using checksums or digital signatures, and activated only after successful validation, with automatic rollback if boot fails. BLE devices typically use Device Firmware Update (DFU) protocols, such as Nordic DFU, where a companion mobile app downloads the firmware from the cloud and transfers it over BLE, enabling secure updates without requiring direct internet connectivity on the device.
Wireless IoT devices sold in India generally require Wireless Planning & Coordination (WPC) Equipment Type Approval (ETA) for radio technologies such as Wi-Fi, Bluetooth, Zigbee, and LoRaWAN, ensuring compliance with permitted frequency and power limits. Many products use pre-certified radio modules, allowing manufacturers to leverage existing certifications where integration conditions, including antenna design, remain unchanged. Bureau of Indian Standards (BIS) certification applies only to specific product categories under the Compulsory Registration Scheme (CRS), such as certain electronic devices, power adapters, and batteries, rather than all IoT products.
Project timelines depend on hardware complexity and power optimisation requirements. Home automation solutions using off-the-shelf devices typically take 8-14 weeks, while Industrial IoT projects with standard sensors and custom gateways usually require 10-16 weeks, including on-site validation. BLE wearables or custom sensor devices need the longest timeline, with PCB design, prototype fabrication, firmware and power optimisation, companion mobile app development, and extended field and battery-life testing, resulting in 16-26 weeks to deliver a validated prototype ready for pilot production or further hardware refinement.
Yes. We provide ongoing operational support tailored to each IoT solution. For Industrial IoT, this includes fleet monitoring, connectivity and battery health tracking, data quality monitoring, OTA firmware updates, and predictive model refinement. Home automation support covers mobile app maintenance, automation rule updates, and compatibility with Alexa, Google Home, and Matter. For BLE and wearable products, we manage BLE DFU firmware updates, companion app maintenance, and backend monitoring and scaling for cloud-connected deployments as the user base grows.
Industrial IoT solutions (predictive maintenance, SCADA/PLC integration via Modbus/OPC-UA, asset tracking, OEE dashboards), home automation systems (smart lighting, security, HVAC, voice assistant and Matter integration), and BLE development (wearable firmware, beacons, mobile app integration, BLE mesh).
Yes. Evolution Infosystem provides full-stack IoT development including schematic design, PCB layout, enclosure design, prototyping, and production handover for industrial sensors, wearables, and custom IoT devices.
Yes. Evolution Infosystem develops custom BLE wearable firmware on Nordic nRF52 and similar platforms, including GATT service design, power optimisation for multi-day battery life, and iOS/Android companion app integration.
Yes. Evolution Infosystem builds edge gateways integrating via Modbus RTU/TCP and OPC-UA with existing PLCs and SCADA systems, translating industrial protocol data to MQTT for cloud ingestion and dashboards.
AWS IoT Core, Azure IoT Hub, and Google Cloud IoT, with time-series databases (InfluxDB, TimescaleDB) and dashboards built in Grafana or custom React applications.
Yes. Evolution Infosystem maps WPC Equipment Type Approval (ETA) and BIS certification requirements during the architecture phase and supports the certification process for wireless IoT devices.
Ready for IoT Development That Survives Contact With the Real World?
120+ Devices Shipped. Industrial IoT + Home Automation + BLE Development. Hardware + Firmware + Cloud + App. BIS/WPC Certification Support. India & Global.