MCU Firmware Development
Firmware for microcontrollers that has to run for years: drivers, RTOS or bare metal, low power, connectivity and a safe update path, with tests on real hardware from day one. We work with MCUs from NXP, ST and Nordic.
OTA releases shipped to our own fleet
Devices online
Fleet monitoring and support
Countries our devices ship to
Why MCU firmware projects slip
MCU firmware often grows without structure: hard to test, hard to update and fragile in the field.
Untested code
Bugs are found by customers instead of tests.
No safe update path
Devices in the field cannot be fixed without a site visit.
Power and timing issues
Battery life and real-time behavior miss the target.
MCU firmware development services: what we deliver
Maintainable firmware with tests, CI and an update path.
Firmware architecture on RTOS or bare-metal
FreeRTOS, Zephyr or bare metal, chosen for the product, with a structure that stays testable as features grow.
Drivers for sensors, radios and peripherals
Drivers for sensors, displays, BLE, Wi-Fi and cellular modules, and buses such as SPI, I2C, UART, RS-485 and CAN.
Low-power and real-time optimization
Sleep modes, clock and peripheral power management, and interrupt and task timing measured on the real board.
Bootloader and secure firmware updates
A bootloader that only accepts signed images, with a recovery or A/B slot so a failed update never bricks a device.
Unit and hardware-in-the-loop tests in CI
Tests on every change, on the bench and on real hardware, so bugs show up in the lab instead of at customers.
Platforms and tools we use for MCU firmware
- Microcontrollers: NXP, ST and Nordic.
- RTOS: FreeRTOS, Zephyr or bare metal.
- Connectivity: BLE, Wi-Fi, LTE-M/NB-IoT; Modbus, CAN, RS-485 and BACnet for industrial and energy devices.
- Security: signed bootloader, secure key storage, TPM 2.0 where the hardware has it.
- Testing and releases: unit and hardware-in-the-loop tests, reproducible builds and signed releases in GitHub Actions, GitLab CI or Jenkins.
From our own product: LaMetric SKY. Every panel of this modular light has its own electronics and firmware, yet any shape on the wall behaves as one display. We built an RS-485 protocol that drives real-time effects on up to 16 modules at a lower BOM cost, and over-the-air releases that update the controller and every single panel. SKY ships to 20+ countries. Read the case study.
How we develop MCU firmware
Firmware built to be tested, updated and maintained.
1. Requirements
2. Architecture
3. Implementation
4. Testing and CI
5. Release and support
Related Case Studies
How we engineered a modular light where every panel has its own electronics and firmware, yet any shape on the wall maps itself with one phone scan and updates over the air as one product.
Planning something similar?
Tell us where you are. A senior engineer replies within one business day.
Related services
Firmware for connected devices that has to run for years: microcontroller and embedded Linux firmware, secure boot, signed over-the-air updates and tested releases. From the team behind LaMetric, with ~75,000 devices online and 250 OTA releases shipped to our own fleet.
Schematics, PCB layout and bring-up for connected devices, designed together with the firmware and software that run on them.
Automated builds, tests and releases for embedded products, from commit to a signed image on a device.
Over-the-air updates that never brick a device: A/B partitions, signed images, rollback and staged rollouts.
Production-grade embedded Linux for connected devices: from board bring-up to a maintained, updatable OS image.
One engineering team from concept to devices running in the field: prototypes, electronics and enclosure design, firmware and embedded Linux, certification, manufacturing and fleet operations under one roof.
FAQ
Do you work with RTOS or bare-metal?
Can you take over existing firmware?
Which microcontrollers do you work with?
How do you update MCU firmware in the field?
How do you test firmware?
Can you lower the power consumption of existing firmware?
Who owns the code?
Talk to an engineer, not a salesperson
Idea, prototype, production or a fleet in the field: tell us where you are. A senior engineer replies within one business day.
Your benefits:
- Senior embedded engineers
- Hardware, firmware and cloud
- From prototype to fleet
- Clear scope and next steps
- Direct technical answers
- No sales pitch
What happens next?
A free 30-minute call with a senior engineer
A short technical discovery
A proposal with scope, timeline and cost
