Indoor asset tracking
UWB ranging for locating equipment or personnel where GPS doesn't reach.
ESP32 & UWB Development
ESP32-S3 firmware, UWB ranging and indoor positioning, BLE/Wi-Fi/LoRa connectivity and real-time tracking systems.
Overview
What this service covers
We build ESP32 and ESP32-S3 based hardware and firmware with a particular focus on UWB (ultra-wideband) ranging and indoor positioning, alongside the Wi-Fi, BLE and LoRa connectivity ESP32 is usually chosen for. This is the same platform behind our CoachLink LoRa communication project — see the portfolio for a documented example.
Client Problems
Problems this service solves
- Indoor location accuracy is needed and GPS doesn't work well enough indoors.
- A Wi-Fi/BLE product needs firmware built from a blank slate.
- Existing ESP32 firmware is unstable, leaks memory, or hasn't been validated for continuous field use.
- UWB ranging needs to be integrated with an existing sensor node or gateway.
Capabilities
What we do
- ESP32 / ESP32-S3 firmware architecture and drivers
- UWB ranging and indoor positioning (DW3000-class transceivers)
- BLE, Wi-Fi and LoRa stack integration
- Low-power / sleep-mode firmware design
- Gateway and multi-node system design
- OTA update support
Technologies
Tools & platforms
ESP32 and ESP32-S3 modules, DW3000-class UWB transceivers, and the Espressif IDF/Arduino frameworks, paired with BLE, Wi-Fi and LoRa radios depending on the connectivity the product needs.
ESP32 / ESP32-S3UWB (DW3000-class)BLE / Wi-Fi / LoRa
Development Process
How we approach the work
- 01Define requirements
Ranging accuracy, connectivity and power budget for the target hardware.
- 02Hardware/module selection
Choose the ESP32 variant and UWB/radio modules to match.
- 03Firmware development
Build and bench-test drivers, ranging and connectivity firmware.
- 04Field validation
Confirm ranging accuracy and link reliability under real conditions.
Deliverables
What you receive
- Firmware source code
- Build/flash instructions
- Communication protocol documentation
- Test and validation notes
Applications
Where this is used
Wireless sensor nodes
ESP32-based nodes reporting sensor data over Wi-Fi, BLE or LoRa.
Real-time tracking systems
Multi-node ranging systems for live positioning dashboards.
Related Services
Often paired with
Embedded Firmware Development
The broader firmware discipline this service specialises in.
RF, LoRa & Satellite Communication
Longer-range wireless links beyond indoor UWB ranging.
PCB Design
Custom boards carrying the ESP32/UWB hardware.
Discuss Your ESP32/UWB Project
Tell us what you're tracking and how accurate it needs to be.