IoT circuit board and embedded device engineering
IoT, PCB, firmware and cloud engineering

IoT development services for custom PCB, firmware and cloud-connected products

Build connected products that move from hardware to insight. LINKS4ENGG designs IoT systems where sensors, custom PCB boards, firmware, telemetry, cloud pipelines, dashboards and mobile apps work together as one reliable operating layer.

Connected product engineering

From device idea to connected product

We are not only selecting boards and protocols. LINKS4ENGG helps businesses design connected products across custom applications, IoT devices, PCB boards, AWS IoT cloud, mobile control layers and bulk PCB manufacturing coordination.

01

Custom IoT application development

Web and mobile applications for device onboarding, live status, alerts, user roles, dashboards and operational workflows.

Mobile appsWeb dashboardsUser roles

02

Device integration & firmware

Sensor integration, thermostat-style control systems, ESP32, Arduino and Raspberry Pi prototypes, embedded logic and device communication.

SensorsFirmwareESP32

03

Custom PCB board design

Requirement-based schematic planning, board layout support, component mapping and prototype validation for connected products.

PCB layoutMCU mappingPrototype

04

AWS IoT & cloud connectivity

Secure device connectivity, MQTT messaging, telemetry storage, device shadows, alerts, APIs and cloud workflows on AWS IoT.

AWS IoTMQTTDevice shadow

05

Mobile app control layer

Customer and operator apps for live device health, alert acknowledgement, remote control and service visibility.

AlertsRemote controlDevice health

06

Bulk PCB manufacturing support

Custom trade order support for PCB board production through trusted manufacturing partners, coordinated under LINKS4ENGG delivery ownership.

Trade ordersPartner manufacturingQA coordination

Technology choices stay practical

Depending on the product, we work with Arduino, Raspberry Pi, ESP32/ESP8266, MQTT, AWS IoT, Node-RED-style orchestration and custom cloud APIs. These tools support the solution; they are not the whole story.

IoT capabilities

Engineering discipline across the full IoT lifecycle

Every connected product needs stable hardware, reliable firmware, secure cloud connectivity and a usable application layer. This is where our software delivery background gives the IoT work structure.

Smart device development
Custom PCB board design
Sensor integration
Real-time data processing
Cloud connectivity
Mobile app integration
Dashboard and analytics
Remote device control
Automated workflows
Security implementation
Edge computing
Predictive maintenance
Delivery architecture

One connected stack, designed before development starts

Instead of promising generic IoT metrics, we define the product layers that must work together before a device reaches the field.

Device & PCB layer

Sensors, controllers, power needs, enclosure constraints and custom PCB direction are planned together.

Firmware & telemetry layer

Embedded logic, MQTT payloads, data frequency, fault behavior and field update paths are defined early.

Cloud & API layer

AWS IoT connectivity, secure device identity, storage, alerts, device shadows and APIs are mapped before rollout.

Application & support layer

Mobile apps, dashboards, remote controls, user roles and support workflows are designed around the actual operators.

Reliable telemetry
Secure cloud flow
Usable mobile control
Custom PCB design

Hardware designed around the device you need to build

For IoT products where off-the-shelf boards are not enough, LINKS4ENGG designs custom PCB boards around customer-specific sensors, communication modules, power requirements, enclosure constraints and field operating conditions.

Our PCB design work supports embedded product prototypes, industrial monitoring devices, connected controllers and sensor-based systems that need stable hardware before firmware, cloud and dashboards can perform reliably.

Requirement-based schematic planning
Sensor, MCU and communication module mapping
PCB layout support for compact embedded devices
Prototype validation with firmware and IoT cloud flow
Embedded board design

Embedded board design

Custom PCB layouts for sensors, control logic and communication circuits.

Prototype to connected system

Prototype to connected system

Hardware planning connected with firmware, telemetry and application workflows.

Delivery process

Our IoT development Process

A systematic approach to building robust, scalable IoT solutions that deliver real business value.

01

IoT Strategy & Planning

Define the business use case, device environment, data requirements and system architecture.

02

Hardware & PCB Planning

Select sensors, controllers, communication modules, power needs and custom PCB direction.

03

Firmware development

Program embedded device logic, data acquisition, communication behavior and field reliability controls.

04

Cloud integration

Set up secure telemetry, MQTT communication, storage, APIs and real-time data pipelines.

05

Mobile & web apps

Build dashboards, mobile controls, alerts and role-based interfaces for device operations.

06

Testing & Deployment

Validate devices, firmware, connectivity, cloud flow, dashboards and deployment readiness.

IoT work

Innovative IoT solutions

Explore IoT project patterns that demonstrate our expertise in connected devices, dashboards and automation workflows.

Smart home automation

Smart home automation

Connected automation system with sensors, device control, mobile access and cloud visibility.

ESP32AWS IoTMobile App
Industrial monitoring

Industrial monitoring

Real-time monitoring system for manufacturing assets, machine status and operational visibility.

Raspberry PiMQTTDashboard
Smart agriculture

Smart agriculture

Sensor-based crop monitoring and irrigation workflow with cloud analytics and alerts.

ArduinoSensorsCloud Analytics

Ready to build your IoT solution?

Let's discuss how IoT technology, custom PCB design and connected software can transform your business operations.