Get a Free IoT Technical Audit. Learn More.
Home » Smart Wearable Xtrava Health’s

Smart Wearable Xtrava Health’s

Smart Wearable Xtrava Health’s

In a nutshell

This case study delves into the journey undertaken by Xtrava Health in developing the revolutionary smart wearable device. The project aimed to elevate the monitoring of infants’ vital signs using cutting-edge technology. The wearable, equipped with AI capabilities and proprietary detection tech, tracked diaper wetness, sleep patterns, and breathing. This study explores the challenges and goals faced by the team in creating a robust wearable with BLE communication and an Android application, and the exceptional solutions that ensued.

Project overview

Project Duration:

12.2015- 03.2019

Team Setup:

2 Embedded Software Developers & Android Developer


BLE,C, Android, DSP

Project Scope

The project scope encompassed the following key dimensions:

  • Firmware Development: Creating firmware for the wearable device with BLE communication, an AI engine, various sensors, and optimized performance-power balance.
  • Seamless Connectivity: Establishing robust and energy-efficient connectivity between the wearable device and Android mobile phones.
  • AI Algorithm Integration: Adapting AI algorithms to suit embedded power and memory constraints while maintaining accuracy.
  • Over-the-Air Update Capability: Enabling remote firmware updates to enhance the device’s functionality.
  • Android BLE Library: Developing a BLE library for effective communication between the wearable and Android app.
  • Vital Sign Tracking: Implementing electromagnetic sensing, accelerometer, electrostatic sensing, RGB LED, and external memory to monitor diaper wetness, sleep, and breathing.


Xtrava & needCode teams orchestrated a systematic approach to achieve project milestones:

  • Requirements Analysis: Meticulously understanding the device’s functionality needs and user expectations.
  • Technical Strategy: Crafting a plan that strikes a balance between performance and power consumption, considering safety-critical aspects.
  • Collaboration: Establishing seamless teamwork between two embedded software developers and an Android developer to synergize skills.
  • Technology Utilization: Leveraging BLE, C, Android, and DSP technologies to create a cohesive ecosystem for the wearable and app.
  • Sensing Technology Integration: Integrating electromagnetic, electrostatic sensing, accelerometer, and RGB LED to capture vital signs.
  • AI Algorithm Adaptation: Transforming AI algorithms to fit the embedded system’s limited power and memory while ensuring precision.
  • Continuous Testing: Rigorous testing to ensure the wearable’s accuracy, safety, and connectivity.
  • Over-the-Air Update Implementation: Enabling remote updates for continued enhancement of device features.

Challenges and Goals

  • Safety – critical low power consumption size limited.
  • Power management.
  • Robust connectivity between devices and Android mobile phone.
  • Hardware firmware integration.
  • Large amount of data synchronized with android phone,
  • Converting AI algorithms to fit into embedded power and memory constructs.
  • Electromagnetic sensing.
  • Accelerometer.
  • Electrostatic sensing.
  • RGB LED.
  • External Memory.

Business Impact

The project yielded significant business outcomes:

  • Advanced Infant Monitoring: Providing parents with a reliable tool to track baby vital signs, enhancing child care.
  • Innovation Showcase: Positioning Xtrava Health as a pioneer in wearable technology, attracting attention and partnerships.
  • Technological Edge: Incorporating BLE, AI, and sensor technology, leading to a competitive advantage.
  • User Convenience: Enabling seamless synchronization of daily statistics with the Android app, promoting user engagement.
  • Safety and Efficiency: Delivering a safe and power-efficient wearable solution for infant care.

Results and Achievements

The collaborative efforts of both teams. led to remarkable achievements:

  • Functional Wearable Device: Successful development of a smart wearable with BLE communication, AI engine, and multiple sensors.
  • Efficient AI Integration: Successful adaptation of AI algorithms to fit the device’s power and memory constraints.
  • Seamless Connectivity: Establishment of robust connectivity between the wearable and Android app.
  • Over-the-Air Update Capability: Enabling remote firmware updates for continuous improvements.
  • Optimized Power Consumption: Balancing performance and power usage for an energy-efficient device.


needCode team’s dedication to the project has led to a transformative impact on infant care technology.

By creating a sophisticated wearable device that seamlessly tracks vital signs and communicates with an Android app, they have revolutionized the way parents monitor their babies.

The project showcases the power of cross-disciplinary collaboration, cutting-edge technology integration, and efficient design practices.

Xtrava Health’s stands as a testament to the potential of innovative wearable solutions in addressing real-world challenges, enhancing infant care, and driving business success.

Key points

Do you need Smart Innovations?

Book a free discovery call and let's unlock new possibilities

Also interesting

More case studies

Let's work on your next project together

Book a demo and discovery call with our CEO
to get a look at:
IoT Roadmap strategy
IoT Technical Audit
Cybersecurity & Consulting
Embedded software development
Bartek Kling
Bartek Kling
© 2024 needCode. All rights reserved.

Maintenance (Post-Release Support)

When your product is successfully launched and available on the market we provide ongoing support and maintenance services to ensure your product remains competitive and reliable. This includes prompt resolution of any reported issues through bug fixes and updates.

We continuously enhance product features based on user feedback and market insights, optimizing performance and user experience.

Our team monitors product performance metrics to identify areas for improvement and proactively addresses potential issues. This phase aims to sustain product competitiveness, ensure customer satisfaction, and support long-term success in the market.

Commercialization (From MVP to Product

Our software team focuses on completing the full product feature range, enhancing the user interface and experience, and handling all corner cases. We prepare product software across the whole lifecycle by providing all necessary procedures, such as manufacturing support and firmware upgrade.

We also finalize the product's hardware design to ensure robustness, scalability and cost-effectiveness.

This includes rigorous testing procedures to validate product performance, reliability, and security. We manage all necessary certifications and regulatory compliance requirements to ensure the product meets industry standards and legal obligations.

By the end of this phase, your product is fully prepared for mass production and commercial deployment, with all documentation and certifications in place.

Prototyping (From POC to MVP)

Our development team focuses on implementing core product features and use cases to create a functional Minimum Viable Product (MVP). We advance to refining the hardware design, moving from initial concepts to detailed PCB design allowing us to assemble first prototypes. Updated documentation from the Design phase ensures alignment with current project status. A basic test framework is established to conduct preliminary validation tests.

This prepares the product for real-world demonstrations to stakeholders, customers, and potential investors.

This phase is critical for validating market readiness and functionality before proceeding to full-scale production.

Design (From Idea to POC)

We meticulously select the optimal technology stack and hardware components based on your smart product idea with detailed use cases and feature requirements (Market Requirements Document / Business Requirements Document). Our team conducts thorough assessments of costs, performance metrics, power consumption, and resource requirements.

Deliverables include a comprehensive Product Requirements Document (PRD), detailed Software Architecture plans, an Initial Test Plan outlining validation strategies, Regulatory Compliance Analysis to ensure adherence to relevant standards, and a Proof of Concept (POC) prototype implemented on breakout boards.

This phase aims to validate the technical feasibility of your concept and establish a solid foundation for further development.

If you lack a validated idea and MRD/BRD, consider utilizing our IoT Strategic Roadmap service to gain insights into target markets, user needs, and desired functionality. Having a structured plan in the form of an IoT Strategic Roadmap before development begins is crucial to mitigate complications in subsequent product development phases.