Electronics development & contract manufacturing — Czech Republic
We develop your electronics to spec — and engineer them to scale into series production.
Every board starts with your requirements — your device, your environment, your constraints. We design it already knowing how and where it will be assembled, so the same documentation that builds your first prototype also drives steady, high-volume production later, run through our long-standing assembly and distributor partners in the Czech Republic.
Engineering heritage since 1990Czech RepublicFamily roots, engineering team todayIn-house firmware & test jigsLong-term assembly & distributor partners
What we do
Every step between an idea and a populated board.
We work as your hardware department when you don't have one in-house — or as extra capacity when you do.
Concept
Concept & sensor selection
We help define the architecture and pick the right sensors for the job, the budget and the environment.
Hardware
Schematic design
Circuit design ready for review, with component sourcing risk considered from day one.
Hardware
PCB layout
Layout built for manufacturability, EMC and thermal behaviour — not just for fitting the enclosure.
Firmware
Firmware in assembler & C
Assembler for Microchip PIC, C for STM32 — written early, alongside the hardware, by the same team that designed the board.
Hardware
Prototyping & iteration
This is where most of our time goes: working samples, tested in your product and refined for the robustness that series production and years in the field demand.
Quality
Custom test equipment
We build our own programming and test jigs, so every board is flashed and verified before it leaves the line.
Production
Documentation for series production
BOM, gerbers, assembly drawings and test specs — a complete package handed to manufacturing.
Production
Production management
We manage the assembly house, the component purchasing and the schedule, so you order finished boards.
Delivery
Packaging & logistics
Boards arrive ready to drop straight into your assembly line.
Why partner with AEOK
Built for OEMs who need one accountable hardware partner.
For manufacturers of HVAC units, building controls and similar series-produced equipment, electronics is rarely the core business — but it has to work, every time.
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One accountable partner
You get a single contact for design and production. We coordinate manufacturing with assembly houses and component distributors we've worked with for years — the hand-off risk is ours to manage, not yours.
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Designed to keep being available
We build around Microchip MCUs on purpose: long product life, rarely allocated, and a wide family of pin-compatible parts if one ever runs short. Your board stays buildable for years, not just one run.
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Tested with firmware we control
Firmware lives inside the production testers we build ourselves. Every board is programmed and verified with genuine firmware before it ships — nothing improvised on the line.
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Built for steady, recurring runs
What we're best at — and most often asked for — is taking one well-developed board into regular series production for years, not a single batch.
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Predictive maintenance for production lines
Vibration sensors, machine running hours and other physical measurements — collected locally for later analysis, or streamed to the cloud in real time, with real-time notifications when something crosses a critical threshold.
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Your intellectual property, protected
Firmware never leaves our team. During series production, firmware flashing — along with generating serial numbers, encryption keys, SAS tokens and look-up tables — all happens here in the Czech Republic, under our own supervision. Several of our solutions hold granted patents.
Proof, not promises
We don't just assemble boards. We invent products.
Before we ever pitch series production, we put our own hardware through the same process we offer clients — concept, electronics, firmware and enclosure, all done in-house.
These wooden cubes are the control interface for a decentralised building-management system we designed ourselves — heating, lighting, blinds and alarm, run from one box, built around the same Microchip firmware skills behind our client projects.
Decentralised building control — heating · lighting · blinds · alarm
−80 °C cold-storage monitoring, with its own datalogger
Door & access-control monitoring built for audit trails
In-house concept · electronics · firmware · enclosure — designed and built by AEOK
Our own product
Track record
Real projects, running in the field.
A sample of what we've designed and delivered for clients over the years.
Vehicle security systems
Engine immobilisation, notifications and geolocation.
Building security systems
Our own central units, installed and commissioned on site.
−80 °C cold-storage monitoring
Two installations of the same system, running in Slovak hospitals. In 20 years, the customer has never needed to replace either one.
Decentralised building & home control
Heating, lighting, blinds and alarm, run from our own controllers.
Custom IoT devices
Built to spec for clients across industries:
Geolocation trackersEnvironmental monitoringEnergy-consumption meteringIoT scalesPyrometer temperature → cloudDual-band (L1+L5) GNSS railway wagon tracking — Galileo, GPS, BeiDou, GLONASSTamper-evident parcel sealsProduction-line position monitoring…and many smaller projects
Every project starts with understanding exactly what the client needs, then designing for the value that matters most to them — saved data, saved time, saved money. Our team keeps growing, so we can take on larger production volumes too, with the responsibility staying on our side. We design to meet the certification requirements that matter — electrical safety (EN 62368-1), EMC/EMI (EN 61000-6-1/-3, EN 55032/55035), environmental robustness, IP rating, CE marking and, for radio equipment, the RED — Directive 2014/53/EU (EN 300 220, EN 300 328, EN 301 489) — with the exact standards depending on the product.
Under the hood
Technologies we work with every day.
Whatever your product needs to sense, connect or talk to — chances are we've already built something similar.
LiMnO2 cellsLiSOCl2 cells12V24V120V230VBattery-powered designs down to single-digit µA
Connectivity
BluetoothGNSSSigfoxGSMNB-IoTRF transceivers — VHFRF transceivers — UHFRF transceivers — ISM band
Software
Windows appsAndroid appsControl & debug tools
We've also built trackers for Sigfox, GSM and NB-IoT networks end to end — hardware, firmware and the backend that receives the data.
1990
AEOK's engineering heritage goes back to 1990, when our founder began developing electronics in Bratislava. Three decades later, the same hands-on approach — small team, real ownership of every board — runs the company today from the Czech Republic.
