Real Problems. Real Solutions. Real Outcomes.

Case Studies & Reference Architectures

Production deployments that showcase how we solved the embedded and IoT problems others walk away from.

Failsafe Firmware Update Over The Air (OTA)

Failsafe OTA Architecture for LoRa & BLE Embedded Fleets

Problem
Firmware corruption during FUOTA over low-bandwidth LoRa/BLE causing non-recoverable field devices.
Solution
Multi-slot FUOTA engine with Golden Image fallback & hardware-accelerated verification.
Impact
Field failures from failed updates dropped to zero. Unplanned maintenance eliminated.
Secure Bootloader Multi-slot FUOTA AES Encryption TrustZone (M33) LoRaWAN FUOTA MCUBoot

5 Year Battery Life

Power Architecture Redesign for Industrial & Consumer IoT Product

Problem
RTOS task leakage, peripheral bleed & bad radio transitions were killing battery life targets.
Solution
Implemented deep-sleep states, DMA-driven transfers & motion-analytics keeping avg current in µA range.
Impact
Battery life doubled or tripled. Products now reliably hit 5–10 year targets on a single cell.
µA Optimization FreeRTOS SPI/I2C DMA LIS2DE12 Accel Sleep-state Mgmt

Industrial Leak Detection Solution That Has Run for Over a Year Without a Reboot

Fault-Tolerant Serial Communication for Electrically Noisy Industrial Environments

Problem
Electrical noise on long RS485 cable runs was dropping packets & causing it to miss critical leak alerts.
Solution
Implemented baremetal adaptive baudrate architecture that self-adjusts during live operation.
Impact
1+ year continuous uptime. Zero reboots. Field technicians stopped receiving false alarms.
STM32F103 Modbus RTU RS485 Adaptive Baudrate DWIN HMI Baremetal Firmware

One Firmware Binary Deployed Across Hundreds of Hotel Rooms

Configuration Driven Smart Room Control for Large Scale Hospitality Deployments

Problem
Every new property required custom firmware, slowing rollouts and making maintenance unscalable.
Solution
Configuration driven architecture: one binary, behavior defined via web config not code.
Impact
Deployment time dropped significantly. Multi-property expansion without growing firmware team.
NXP LPC1768 ESP32 ATmega328p DALI Dimming Modbus RS485 Config-Driven FW

Reliable Over-the-Air Updates in High RF Interference Environments

LoRaWAN Asset Security for Retail Showrooms with Dense Wireless Traffic

Problem
Sensors were dropping packets & failing OTA updates in dense test lab environments.
Solution
Optimized LoRaWAN with interference-resistant algorithms and parity fragments.
Impact
100% fleet availability via remote maintenance. Inventory shrinkage measurably reduced.
LoRaWAN US915 RF Interference Mitigation Optimized FUOTA NXP MKL16/17 FCC Pre-scan

Replacing a Multi-Radio Tracking Stack with a Single Certifiable Design

Industrial Asset Tracking Rebuilt on nRF52832 + Semtech LR1110

Problem
Fragmented multi-radio firmware stack was proving costly to maintain, hard to scale, impractical to certify.
Solution
Implemented clean layered design: nRF52832 + LR1110 for LoRaWAN, Bluetooth, GNSS & WiFi sniffing in one platform.
Impact
Multi-year location tracking without battery compromise. Certification timelines shortened.
Nordic nRF52832 Semtech LR1110 WiFi Sniffing GNSS Tracking LoRaWAN LBM FCC/CE Compliance

Real-Time Package Theft Detection Using Amazon Sidewalk

Proactive Anti-Theft System for Last-Mile Delivery Security

Problem
Traditional trackers lacked doorstep range and only reported last known location after theft.
Solution
Sidewalk-enabled device with custom geofencing, motion tamper analytics & onboard alarm.
Impact
Measurable theft reduction. Insurance costs lowered. Stolen packages directly recovered.
Amazon Sidewalk EFR32MG24 LC76G GNSS Geofencing Motion Analytics Custom App Layer

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