Guides

Your first Hubble-enabled device in 15 minutes

Advertising, connections, GATT, and power management

Diagnose and fix the three most common ESP32 BLE problems with systematic troubleshooting

Use HCI commands to bypass SDK abstractions and see what your BLE controller is actually doing

Build a DIY asset tracker using two ESP32 boards with complete control and no subscriptions required

Double your effective range through firmware changes: TX power, intervals, payload optimization, and PHY selection

Extend battery life from days to months using timer-based wakeups and optimized advertising cycles

Master deep sleep, wake strategies, and power budgeting to extend ESP32 projects from days to years

Measure current draw from 5μA deep sleep to 500mA WiFi spikes using affordable tools and get real battery life estimates

Why your ESP32 deep sleep draws 1000x more power than expected and how to fix the biggest leaks

Capture accurate nRF52 power measurements with the Nordic PPK2, from hardware setup to interpreting microsecond current spikes

Set up secure wireless firmware updates with dual-partition schemes and rollback protection

Scale prototypes to production with deliberate changes in modules, power design, OTA updates, and manufacturing strategy

Design cost-effective IoT systems using BLE for local clusters and LoRa for long-range backhaul

Master antenna gain realities, fade margins, and avoid common deployment failures with practical calculation methods

Validate coverage before deployment with site surveys and systematic testing to prevent costly redeployment

Evaluate power budgets, components, and firmware to separate marketing claims from engineering reality

Implement multi-site pallet tracking without gateway infrastructure using modern cloud-based BLE networks

The physics gap between datasheet specs and real-world power consumption

Navigate permanent roaming bans, IMEI restrictions, and carrier politics that can brick devices internationally

Decision framework for fleet compliance connectivity

Technical implementation guide for ELD manufacturers

Technical implementation guide using LTE-M modules and off-the-shelf components

Module selection, timing architecture, and signal gap handling for certification

Use crowdsourced finder networks to track devices globally without GPS modules or cellular modems

Build resilient positioning systems using cellular, satellite IoT, and sensor fusion when GPS fails

Where coverage gaps hide and how to protect high-value vehicles in vulnerable transit zones

Fleet protection strategies to improve device concealment and understand professional theft methods

How professional thieves systematically detect and disable GPS trackers using jamming, RF scanning, and signal denial

Why commercial trackers fail in harsh conditions and how to build environment reality into requirements

Choose satellite vs cellular tracking technology for fleet visibility beyond cell coverage

How to protect critical operations when primary satellite links fail

Retrofit monitoring on older vessels to catch equipment failures before they become costly repairs

Engineering maritime-grade enclosures that withstand compound stressors in commercial vessel environments

Component selection and thermal management for extreme aviation environments

Design compliance into your development process to avoid expensive test failures and schedule slips

Understand infrastructure gaps and work around tracking blackouts in air freight operations

Evaluate third-party solutions that deliver real-time visibility beyond basic airline tracking

Integrate GPS, telemetry, and environmental data across ocean connectivity gaps to prevent cargo loss

Why airlines can track $200M aircraft but lose $10K containers on their own ramp

Why airports can track aircraft precisely but lose sight of ground equipment—and how to fix it

Build resilient military logistics systems when adversaries deny satellite navigation and communications

How fragmented systems create accountability gaps and what contractors can do about it