Rainwalker Technologies · Tallinn, Estonia

Out of the Box Hardware & Software Development

We turn bold concepts into reliable hardware and software products — from the first circuit and firmware to small-scale manufacturing and deployment.

  • 10+ years of experience
  • Own lab & small-scale production
  • ISO 9001
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Kiisu — a credit-card-sized development board designed by RainWalker

What we do

Hardware, software and everything in between

Kiisu development board

Hardware Development

We turn bold concepts into reliable, high-performance hardware products. We have more than a decade of experience in electronics engineering, prototype creation, and small-scale manufacturing.

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Mobile application built by RainWalker

Software Development

Software is at the heart of modern connected products — and at RainWalker, we build software that’s reliable, scalable, and user-centric.

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RW.RGB3210 LED matrix board prototype

Development for Startups

Have an idea but don’t know how to implement it in hardware? Have a prototype but no experience launching mass production? Contact us!

How we support startups

Our favourite technologies

What we can do

  • Sensors, detectors & measuring instruments

    Measuring instruments, controllers, interface boards, and automation tools.

  • Controllers, interface boards, automation systems

    Integration with the customer’s equipment and software.

  • Prototypes and batch manufacturing based on existing tech

    Providing full assistance in the “from idea to product” pipeline.

  • Web & mobile applications

    Intuitive user interfaces to control and monitor your systems.

  • Upgrades & refinements

    Alternative firmware, reverse engineering, or new modules for existing equipment.

  • Software solutions

    For PCs, embedded devices, and business operations.

Our favourite tech stacks

Tools we reach for first

We are not tied to a single vendor — but these are the platforms our team knows inside out.

  • Microcontrollers

    Atmel, Microchip, STMicroelectronics

  • Embedded computers

    Raspberry Pi, BeagleBone, and custom-developed solutions

  • Radio communication

    LoRa, LoRaWAN, Narrowband (based on proprietary developments), SDR receivers

  • Platforms

    .NET, .NET Core, Mono

  • Design environments

    KOMPAS-3D, Autodesk Inventor, DipTrace, Visual Studio

  • ISO 9001 certified
  • Microchip Design Partner
  • FPGA Partner
  • Lattice Semiconductor
  • AMD Embedded Partner

Our Projects

Things we have built — and keep building.

All projects

Contacts

Let’s talk about your project

We want to make friends with our clients, so we are happy to answer your questions.