TA Embedded — Embedded Software Engineering

Firmware Development

Bare-metal and RTOS-based firmware from scratch. We work with STM32, ESP32, and similar MCUs. Covers GPIO, UART, SPI, I2C, ADC, timers, bootloaders, and application logic.

STM32ESP32CBare-metalBootloader

Embedded Linux

Custom Linux builds using Yocto or Buildroot, device tree, kernel drivers, and userspace apps. BSP bring-up for Raspberry Pi, BeagleBone, and custom boards.

YoctoRaspberry PiKernel ModulessystemdBuildroot

RTOS Integration

Task design, priority analysis, ISR-safe APIs, and inter-task communication. FreeRTOS and Zephyr on STM32 and other targets — explained step by step.

FreeRTOSZephyrSTM32CMSIS-RTOSDMA

IoT & Connectivity

ESP32, nRF52, and cellular (LTE-M / NB-IoT) firmware. Secure OTA updates, MQTT cloud connectivity, Wi-Fi, BLE, and low-power design.

ESP32nRF52LTE-MMQTTOTA

Serial Protocols

Clean driver implementations for UART, SPI, I2C, USB CDC, Modbus RTU/TCP, and custom binary protocols. Tested and well-documented middleware layers.

UARTSPII2CUSB CDCModbus

Bootloader & OTA

Custom bootloaders from scratch — secure boot, CRC checking, firmware slot management, and full OTA pipelines via UART, USB CDC, Wi-Fi, and cellular.

BootloaderOTASTM32Secure BootFOTA

How we work

A clear, low-friction engagement — from first contact to delivered, documented firmware.

Discovery call

30-minute call to understand your hardware, constraints, and goals. No commitment required.

Proposal

Detailed technical proposal with scope, timeline, and fixed price. Delivered within two business days.

Development

Regular code reviews, progress updates, and direct Slack or Teams access throughout the engagement.

Delivery & support

Fully documented, tested code handoff plus a support window to help you integrate and ship.

Not sure where to start?

Tell us about your hardware and what you are trying to build. We will help you figure out the right approach.

Start a conversation

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