Software discipline at the silicon level.
Embedded software lives inside the device — it reads sensors, drives relays, runs motors. Every byte counts, every clock cycle matters. The Senkronix embedded team ships production-ready firmware for STM32, ESP32, nRF52, Arduino, and Raspberry Pi. OTA updates, low-power design, BLE/WiFi/LoRa protocols, and security layers are all included.
Prototype ≠ Product.
Both are custom work.
Embedded software is often seen as gluing libraries together. A few sample sketches are copied in the Arduino IDE and the project seems to run. But once it goes to production; simultaneous OTA updates across thousands of devices, sensors running five years on battery in the field, zero-downtime firmware rollback, certification compliance (CE, FCC, UL), and security layers all come into play. Library-pasting does not scale to that level.
The Senkronix embedded team starts with the datasheet. We understand the MCU's internal clock sources, peripheral registers, DMA channels, and interrupt priorities before the design phase. Whether firmware runs bare-metal, on FreeRTOS, or on Zephyr RTOS is decided together based on the project. Even if we start in the Arduino IDE, we finish production with professional toolchains (STM32CubeIDE, PlatformIO, IAR, Keil).
Advantages of custom firmware
- Optimizes hardware cost — right-sized MCU selection rather than an oversized one
- Extends battery life up to 10x — sleep modes, wake-up sources, power profiling
- OTA updates — remotely patch devices running in the field for years
- Certification compliance — required radio and EMC provisions for CE, FCC, UL, TELEC
- Security layers — secure boot, encrypted communication, anti-tampering, fuse-bit locking
- Years of support — firmware lives as long as the hardware is produced
Eight domains.
All production-grade.
FreeRTOS, Zephyr, ThreadX; bare-metal scheduler, interrupt-driven design, HAL layer management.
Secure OTA bootloader, dual-bank firmware, rollback, signed package verification, delta updates.
I²C, SPI, UART, CAN, 1-Wire; IMU (BNO055, MPU), temperature, pressure, humidity, gas, GPS, load cell.
BLE 5.x, WiFi 6, LoRa, LoRaWAN, Zigbee, Sub-GHz, NB-IoT, LTE-M; protocol stack design.
Sleep modes, RTC wake-up, power gating, dynamic clock scaling, battery profile analysis.
Secure boot, AES, ECC, TLS/DTLS, crypto engine, TPM, secure element, anti-tampering circuits.
PID, PWM, brushless motors (BLDC, PMSM), stepper motors, relay control, real-time control.
Unit testing (Ceedling, Unity), HIL test, production line test software, automated calibration, JTAG/SWD.
Which MCU?
Project-driven selection.
The right microcontroller is different for every project. An 8-bit Atmel Tiny and a 32-bit Cortex-M7 may appear in similar solutions but represent entirely different decisions when weighed against cost, power, performance, and production volume. During Discovery, Senkronix evaluates expected workload, peripheral requirements, power budget, cost target, and chip availability to select the right platform.
MCU families we work on
- STM32 — F0/F1/F4/F7/H7, L0/L4/L5 (low power), G0/G4 (motor control), U5 (security). Our most common platform
- ESP32 / ESP32-S3 / C3 — For projects requiring WiFi+BLE; IoT, smart home, industrial gateways
- nRF52 / nRF53 / nRF91 — Nordic Semiconductor; ultra-low-power BLE, wearables, sensors
- Arduino (AVR, SAMD) — Education, prototyping, low volume; we migrate to a professional platform when productization requires it
- Raspberry Pi (RP2040) & Pi Zero/4/5 — Bare-metal for Pico W, Linux-based edge computing for Pi
- GD32, Renesas RL78/RA, NXP S32, TI MSP430/C2000 — For automotive and industrial-specific needs
Toolchains and languages
- C / C++ — The standard in embedded; C++17/20 features applied to embedded where appropriate
- Rust embedded — For memory-safety-critical projects; embedded-hal ecosystem
- MicroPython / CircuitPython — For rapid prototyping and educational projects
- IDEs: STM32CubeIDE, PlatformIO, IAR EWARM, Keil μVision, ESP-IDF, Zephyr West
- CI/CD: Cross-compile, automated test, binary sign & release with GitHub Actions and GitLab CI
Every sector with electronics.
IoT Sensor Manufacturers
For companies building field sensors, smart agriculture, smart city, water/gas meters. Low power, long battery life, LoRa/NB-IoT communication.
Industrial Devices
For factory-floor device manufacturers. Modbus, CAN, Ethernet/IP protocols, 24V-tolerant I/O, EMC compliance.
White Goods & Consumer Electronics
Consumer products; kitchen robots, air purifiers, smart thermostats. UI microcontroller, OTA, certification.
Medical Devices
Glucometers, blood pressure monitors, sleep devices. Medical certification (ISO 13485, IEC 62304), BLE-based mobile integration.
Automotive & Vehicles
In-vehicle electronics, control units, CAN bus devices. AUTOSAR compliance, ISO 26262 functional safety.
R&D & Prototyping
For entrepreneurs who want to validate new ideas quickly. Engineering support across prototype → MVP → production.
Clear questions,
clear answers.
Four stages.
Each one documented.
Use case, power budget, production volume, and certification requirements are clarified.
MCU selection, architecture, memory map, peripheral design, power analysis, OTA/security strategy.
Two-week sprints; module development, unit testing, HIL testing, integration on real hardware.
Production line test software, serial number registration, flash programming, certification, OTA infrastructure.