SYSTEMS ARCHITECTURE & FIRMWARE

Zephyr RTOS & Low-Power
IoT Engineering for Production Devices

Specialized in BLE, Wirepas Mesh, ultra-low power firmware, and Flutter IoT apps. We turn complex requirements into robust embedded solutions.

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Trusted Engineering Partner For

Croxel Inc USA
CargoBeacon SE
GoGoPowerJuice USA
Innovonix CA
PS Locks DE
Cantok INT

Deep-Tech Engineering Expertise

We bridge the gap between hardware constraints and software flexibility, delivering firmware that is efficient, secure, and scalable.

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Embedded Firmware

Bare-metal and RTOS-based development for Nordic nRF, STM32, and ESP32. Creating reliable HALs and drivers.

  • C / C++ / Rust
  • FreeRTOS & Zephyr
  • Bootloaders & OTA
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Wireless Connectivity

Expertise in ultra-low power mesh networks and point-to-point communication protocols for industrial IoT.

  • Wirepas Massive Mesh
  • Bluetooth Low Energy
  • Zigbee & Thread
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Mobile & Cloud

End-to-end IoT system integration. Custom mobile apps for device provisioning and cloud dashboards.

  • Flutter (iOS & Android)
  • AWS IoT Core / Azure
  • MQTT & CoAP
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Production Ready

Code adhering to MISRA C standards & extensive testing.

Methodology

Kaizen for Perfection

We don't just write code; we engineer systems. Our approach is rooted in continuous improvement, ensuring that every byte of memory and every microamp of power is justified.

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Detailed Architecture

Comprehensive system diagrams and API specifications before a single line of code is written.

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Rigorous Testing

Automated unit testing, hardware-in-the-loop (HIL) testing, and long-duration stability runs.

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Performance Tuning

Deep analysis of power consumption and execution time to maximize battery life and responsiveness.

What Our Clients Say

Trusted by engineering leaders worldwide to deliver critical infrastructure.

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"BIII TECH's expertise with Zephyr RTOS and advanced Nordic chips was crucial. Their rigorous testing made our firmware production-ready."
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Albert Garvett
CEO, Croxel Inc. USA
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"From Wirepas mesh to ultra-low power asset trackers, they delivered on every front. Their production support helped us scale globally."
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Olov Hisbed
CEO, CargoBeacon Inc
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"BIII TECH engineered our USB-PD battery bank from PCB to full-stack firmware. Their hardware expertise made GoGoPowerJuice a reality."
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Borey Seng
CEO, GoGoPowerJuice

Ready to build your next IoT product?

Let's discuss how we can bring engineering excellence to your project. Schedule a free technical discovery call.

Book a Discovery Call sales@biii.in