Engineering Detail

Extensive experience in sensor selection and design
Printed circuit board production with verified partners
Rapid provision of materials for prototype assembly
Manual prototype fitting options using reflow process and controlled temperature profile
Testing and recovery of prototypes using modern equipment:
- Benchtop Multimeters
- Oscilloscopes and Logic Analyzers
- Laboratory sources
- Air conditioning chamber
Product certification according to current legislation
Hardware design from concept to mass production
Work with ECAD software KiCad / EAGLE:
Creation of library elements according to IPC standards
- Circuit diagram and simulation of analog circuits
- PCB design with respect to DFM
Design of analog and digital circuits, switching power supplies
Knowledge of optimizing equipment for battery operation
Integration of wireless technologies (ISM radio, Bluetooth Low Energy, GPS, WiFi)

Analysis and selection of a suitable architecture according to the application
Experience with programming languages:
- C/C++ (suitable for microcontrollers)
- Go (suitable for embedded Linux environments)
- Python (suitable for embedded Linux environments)
Python (suitable for embedded Linux environments)
- Experience with firmware development using:
- Realtime Operating Systems (RTOS):
  - Zephyr RTOS
  - Azure RTOS (formerly known as ThreadX)
  - FreeRTOS
- Embedded Linux environment using build systems:
  - Yocto
  - Buildroot
Knowledge of a range of microcontrollers:
- STMicroelectronics STM32
- Nordic Semiconductor nRF5x and nRF91
- Texas Instruments MSP430
Knowledge of the interface I2C, SPI, UART (RS-232 / RS-485), USB, Ethernet
Experience with wireless protocols:
- NB-IoT / LTE-M / LTE / GPRS
- LoRaWAN 868 MHz / 915 MHz / 2.4 GHz
- Proprietary ISM radio
- Bluetooth Low Energy (BLE)
- Near Field Communication (NFC)
- WiFi 2.4 GHz / 5 GHz
- Positioning using GNSS (GPS, Galileo, Beidou)
Implementation of automated testing support in production

Experience with Go, Python, TypeScript (Node.js / Deno runtime)
Experience with implementation and operation of database systems:
- PostgreSQL
- ClickHouse
- MongoDB
Running your infrastructure using Kubernetes (either on-premises or through cloud services such as Azure Kubernetes Services)
Experience with streaming data via RabbitMQ, MQTT, JetStream, etc.
Implementing REST API endpoints and generating Swagger documentation
Cloud Infrastructure Orchestration with Terraform and Ansible
Deploying services using GitOps ArgoCD
Service monitoring using tools like Grafana, Loki, etc.

Experience with UI/UX design
Development of modern single-page frontend applications using TypeScript, React.js, Vite, etc.
Use of modern CSS frameworks such as Tailwind, Shadcn, etc.
Automated frontend testing using the Cypress framework
Mobile application development using Kotlin Multiplatform
Integration with existing IoT application platforms:
- Ubidots
- Datacake
- Grafana
- Node-RED
Mobile app deployment in Google Play and App Store (Apple)

Creation of 3D casing models for 3D printing, plastic injection moulding
Preparation of 2D drawings for mechanical modifications of existing enclosures:
- Drilling and milling (with the possibility of prototyping on our own CNC milling machine)
- Colour printing on UV printer (including graphic design)
Preparation of drawings for packaging

Preparation of production documentation:
- Gerber file generation and PCB manufacturing requirements specification
- Panellization of plates, V-groove specifications
- Description of the system startup process
- Automated Production Tester Requirements Specification
User manuals using LaTeX or the Docusaurus web framework

Custom engineering in detail