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Frequently Asked Questions
Yes! Check out hardware events happening today here. These are in-person gatherings where you can meet fellow enthusiasts and participate in activities right now.
Discover all the hardware events taking place this week here. Plan ahead and join exciting meetups throughout the week.
Absolutely! Find hardware events near your location here. Connect with your local community and discover events within your area.
Hardware Events Today
Join in-person Hardware events happening right now
Maakavond Meet Je Stad - Fijnstof en Temperatuur
Tijdens de maakavonden van Meet Je Stad soldeer je je eigen meetkastje dat temperatuur, luchtvochtigheid en fijnstof\* kan meten. Het solderen is geschikt voor iedereen: van beginner tot expert! Daarnaast bieden we begeleiding, dus hoef je niet bang te zijn dat je er niet uit komt. Ter deelname betaal je €15 voor de materialen. Vaak lukt het niet om al het soldeerwerk binnen één avond af te krijgen, maar dit is geen probleem; tijdens onze volgende maakavonden kun je langskomen om je werk af te maken. Inmiddels zijn er in de stad Utrecht nu zo’n 150 mensen die hun eigen meetkastje hebben gesoldeerd.
Als je kastje af is wordt hij geregistreerd en kun je hem bij jou thuis ophangen/neerzetten. Hierbij krijg je instructies zodat je de juiste locatie kunt kiezen en je metingen zo betrouwbaar mogelijk zijn. Als het dan eenmaal hangt kun je via de kaart op de [website van Meet Je Stad](https://meetjestad.net/index3.php?loc=Tb) bijhouden welke metingen je kastje neemt: zo kun je bijvoorbeeld zien op welke momenten het bij jou het warmst is en vergelijkingen maken met waardes van andere meetkastjes. Dat kan door middel van [deze tool](https://mjs-datavisualisation-fez7kynngq-ez.a.run.app/) die je helpt om grafieken te maken. Dan kan je er achter komen hoe jouw omgeving ervoor staat in vergelijking met de rest van de stad.
Meet Je Stad organiseert ook kennisavonden met gastsprekers die vertellen over hitte, fijnstof en andere burgerinitiatieven in de stad. Dit zijn ook gelijk geschikte momenten voor deelnemers om met elkaar in discussie te gaan over hun metingen en ondervindingen. Zo hopen we een netwerk van betrokken inwoners te creëren en meer te weten te komen over de milieuomstandigheden in de stad!
*\*De fijnstofsensor is optioneel en kost 20 euro extra. Indien je deze bij je meetkastje wilt moet je deze via een draad met een stroombron binnen 15 meter kunnen verbinden.*
**Organisatie:** Milieucentrum Utrecht (MCU) in samenwerking met de Makerscommunity HaHaHo.
**Locatie:** Bibliotheek Neude, Huis van Actief Burgerschap (begane grond)
**Kosten:** 15 euro voor materiaalkosten, 20 euro extra voor fijnstofsensor.
*Bij te weinig aanmeldingen kan de workshop afgelast worden.*
Swimming lessons for adults | Beginners
If you are living in The Netherlands, by now, you may well have noticed the amount of open water. If you enjoy cycling in the city, you may wish to feel safer as you navigate the bridges and canals. And you may also want to get ready for visiting the beach, pools or the many lakes this summer.
Learning how to swim takes approx 1 year and it all starts with the very first lesson. New comers enroll via our website and pay € 30,50, this is the first lesson and a goody bag. After the class you agree with the personal swim coach how to continue to obtain your final objectives.
Enrolling is only possible via [www.your-personal-swim-coach.nl ](https://www.your-personal-swim-coach.nl/)hence a rvsp via meetup is not enough.
Buitenspelen voor volwassene
Samen sporten, gewoon voor de fun, elke week een divers programma, met allerlei verschillende sporten. Je hoeft niet de beste te zijn, maar wel zin hebben om samen te spelen en te leren.
Tijdens een training doen we verschillende spelletjes, basketbal, voetbal. volleybal, spikebal, honkbal.
Kom je ook, de bal ligt bij jou!!
Eerste keer meedoen is altijd gratis, daarna kan je beslissen of dit voor jou is, of niet!! Dus kom een keer proberen.
Kan je niet op deze dag, we sporten ook op andere dagen nl
Zondag om 9:30 of
Maandag om 20:30
Stuur mij een berichtje als je op die dagen een keer wil proberen!
The amount of people rsvp'd to this game doesn't match the real number of people at the event, as Meetup is only used for promotion purposes.
Indoor Volleyball Classes for Beginners
New Year, New Sport! 🏐
Whether you've never played volleyball before or it’s been many years since you last hit the court, you are very welcome to join our Beginner Group!
We train every Monday at 9 PM at Gymnasium Bibian Mentel in Zeeburgereiland.
Come learn the basics, get moving, and meet new people in a fun, relaxed environment.
Get more info here:
WhatsApp Group: https://chat.whatsapp.com/EnPEK1bHLiTGdpqz6Vtbm4
Instagram: @brazucavolley
Hardware Events This Week
Discover what is happening in the next few days
Data Thursday
Hi✋
At[ Data Tribes ](https://www.datatribes.nl/)we organise Meetups because we truly care about sharing knowledge both inside and outside the organisation. We believe that it is beneficial to us and to the market as a whole to connect, create, learn and grow together!
**The agenda**
// Doors open 6.00pm
// Drinks and Pizza’s 6.30pm
// Start presentations 7.00pm
**Henk van der Valk:** "Optimizing the Azure cloud?" ***Who really cares about Cost & Co2?***
// Start networking 9.00pm
// End Meetup 9.30pm
Greetings,
Data Tribes Inc.
Maker Projects at Breaking Breadboards
Four makers share their projects in embedded systems, robotics, and microcontroller electronics. Come, listen, ask questions, and learn in a friendly and entertaining environment. Demos can go wrong, so enjoy the jeopardy as our presenters tell their story.
* **Fun with Furbies**: [Mike Brewer](https://www.linkedin.com/in/magarimike/)
Mike brings us back to the 1990s Furbies craze but hacks them to bring them under his control
* **When Machines Sing**: Designing a Robot Choir: [Richard Vahrman](https://www.youtube.com/@RichardVahrman/videos)
A short talk and live demo exploring the Robot Choir: an experimental performance system that treats robotic voices as a choir rather than an instrument.
* **Drifting with Dignity**: My Macanum Drive Journey: [Jon Durrant](https://youtube.com/@drjonea)
From a custom RP2040 quad motor control to Inverse Kinematics and the Robot Operating System control. Lets start the journey
* **Breaking Breadboards at Evolve26**: [Mike Brewer](https://www.linkedin.com/in/magarimike/)
We will have an area again at Evolve26 on 26-Jun-26 at the Brighton Centre. We would like your thoughts on how to make this a truly community event. Remeber you can book your ticket with 50% off by using the code **`BREAKINGBREADBOARDS`** [https://evolve.siliconbrighton.com/](https://evolve.siliconbrighton.com/)
Timeline:
18:30 Pizza, soft drinks and networking
18:50 Introdutions
19:00 **Fun with Furbies**
19:20 **When Machines Sing**
19:40 **Drifting with Dignity**
20:00 Q&A With the Panel
20:10 **Breaking Breadboards at Evolve26**
20:30 Close
Thank you to all the companies who help us put these events on:
* [Yair Energy](https://yair.energy/) for helping us fund the event
* [Sopro](https://sopro.io/). for helping us fund the event
* [Freedom Works](https://www.freedomworks.space/) for hosting us
* [Silicon Brighton](https://siliconbrighton.com/) for helping us run, marketing and AV support
If you would like to present your project, please get in touch with our organisers. Or why not bring a project along for our show-and-tell table?
UX Beers Antwerp February @Ariad
**Welcome to our February UX Beers in Antwerp!**
This time, we will host our event on Tuesday the 24th of February with [Ariad](https://www.ariadgroup.com/en) at [Plein Magazijn](https://www.pleinmagazijn.be) in Antwerp.
[Ariad](https://www.ariadgroup.com/) and [Creative Skills](https://www.creativeskills.be/) sponsor our events.
📺 Follow the event online? We stream live via [Youtube](https://www.youtube.com/watch?v=EBqyTDAyQBw)
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\#\#\# UX TALKS
**Talk 1: Align or Fail: When Brand Meets UX**
[Mario Restrepo](https://www.linkedin.com/in/mario-restrepo/), Creative Director
Every interaction shape perception and tells a brand story, whether intended or not.
In this talk, we explore why UX is the space where brand promises are either proven or broken, and why, in the age of AI, alignment between brand and user experience has become a strategic imperative.
Drawing on real-world examples, this talk reframes UX designers as brand storytellers, and UX deciders and stakeholders as guardians of trust. It also introduces an **AI-driven Brand Sentiment Analysis workflow**, showing how teams can translate user signals into actionable insights, and design experiences that don’t just function, but reinforce how a brand is felt, remembered, and believed.
**Talk 2: The UX evolution: thriving in the age of intelligent systems**
[David Grunewald](https://www.linkedin.com/in/davidgrunewald/), Founder of Pluginto.ai , AI-Strategist
AI is fundamentally changing how UX professionals work, but it's amplifying our capabilities, not replacing them.
This 45-minute session explores what's actually happening in 2026. You'll see real implementations from banking, healthcare, and other sectors: proactive systems that anticipate needs, conversational interfaces that adapt to individual patterns, and hyper-personalisation at scale.
We'll examine **four trends reshaping UX practice and, more importantly, what they mean for your daily work**. What's being automated? What's gaining value? And what are the five essential skills that set you apart in an AI-augmented world?
You'll leave with clarity on how to evolve your practice and confidence that your human expertise remains your competitive advantage.
\-\-\-\-\-\-\-\-\-\-\-\-\-\-\-\-\-\-\-\-\-\-\-\-\-\-\-\-\-\-\-
\#\#\# SCHEDULE
18:00 - Doors open. Drinks & snacks
19.00 - 19.15 - Introduction to UX Belgium Meetup, announcements
19.15 - 19:45 - Talk #1
19:45 -20:15 - BREAK
20:15 - 20:45 - Talk #2
20:45 - 21:30 - Socialize
\-\-\-\-\-\-\-\-\-\-\-\-\-\-\-\-\-\-\-\-\-\-\-\-\-\-\-\-\-\-\-
\#\#\# SLACK CHANNEL
We have our own UX Belgium slack channel.
[Come join us and say hi!](https://join.slack.com/t/ux-belgium/shared_invite/zt-1bjpnuiog-T4Di4flXYPWgbT9KrZ53CA)
\*\*\*
\#\#\# YOUTUBE CHANNEL
All our livestreams and talks are recorded and available on our [UX Belgium youtube channel](https://www.youtube.com/channel/UCno7V18T-EglYXprgrUZQ7A).
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\#\#\# ABOUT UX BELGIUM
UX Belgium is a growing community of User Experience (UX) professionals in and around Belgium.
Look for these types of events:
UX Beers
Periodically, we gather at a different agency or venue to drink beers, network and listen to speakers on various themes in the world of UX and digital design.
UX Antwerp: Each last Tuesday of the month
UX Brussels: Each second Tuesday of the month, 4x per year
UX Hasselt: 4x per year
UX Workshops
Now and then we organize events to dive deeper into specific skills and techniques in UX. These are smaller, hands-on workshops designed to boost your UX toolbox.
\*\*\*
The UX Belgium Meetup Team
TechDay: Cybersecurity in de Praktijk: Hands-on met Onyx
Donderdag **26 februari 2026** is het weer tijd voor onze **Techday**: hét vaste moment waarop we kennis delen, elkaar inspireren en nieuwe ideeën direct in de praktijk brengen.
Deze editie komt een spreker van Onyx langs. Onyx is gespecialiseerd in cybersecurity. Tijdens deze techday worden theorie, praktijk en nabespreking gecombineerd met directe toepasbaarheid in jullie dagelijkse werkzaamheden.
Tijdens de Techday duiken we hands-on in veelvoorkomende kwetsbaarheden en misconfiguraties binnen moderne softwareontwikkeling. Theorie, demo’s en realistische scenario’s wisselen elkaar af. Met de interactieve CTF‑opdrachten leer je niet alleen hoe deze problemen ontstaan en misbruikt worden, maar vooral hoe je ze direct kunt toepassen en voorkomen in je dagelijkse werk.
**Wanneer:** Donderdag 26 februari 2026
**Wat:** Cybersecurity in de Praktijk: Hands-on met Onyx
**Voor wie:** Iedereen die nieuwsgierig is en wil leren
**Agenda**
14:45 - 15:00 - Inloop
15:00 - 18:00 - Opening en introductie
Praktijkvoorbeelden: Wat zijn wij in het echt tegengekomen
Security misconfiguration: Gezamelijke spot-de-fout met code-snippets
CTF opdrachten
18:00 - 19:00 - Eten en napraten
We zien je graag op de Techday!
ArnhemJUG - February meetup
**ArnhemJUG**
We are excited to announce the second meetup of 2026. OpenValue Arnhem is once again hosting us for the February meetup!
**Agenda**
* 17:00 CET walk-in
* 17:30 – 18:30 Food and drinks
* 18:30 – 19:30 talk: **Catching the 137-Killer: A Java Memory Forensics Investigation** by **Martijn Dashorst**
* 19:30 – 19:45 break
* 19:45 – 20:45 talk: **Building AI Agent Platforms: Architecture, Communication, and Standards** by **Pascal Wilbrink**
* 20:45 – 21:30 drinks
**Catching the 137-Killer: A Java Memory Forensics Investigation**
Your Java application is running smoothly, blissfully unaware of the danger lurking just around the corner. Then—without warning—it vanishes without a trace. Upon investigation, you discover the virtual remains of countless slain JVMs, each marked with the same cryptic number: 137. A serial killer is on the loose in your cluster.
This true crime investigation will walk you through the differences between JVM memory areas, the mechanics of container OOMKills, analysing Grafana dashboards for memory and thread anomalies, interpreting heap dumps, and utilising JVM Native Memory Tracking (NMT) to uncover hidden native memory consumption.
You’ll master practical forensic techniques and proven prevention strategies—from memory tuning tactics and balancing heap vs. non-heap allocations to leveraging large language models (LLMs) for advanced forensic analysis. These skills will help ensure your applications stay alive—even when something’s out to get them.
Just like in a real murder mystery, we may not know whodunnit... but with Martijn Dashorst leading the investigation, you're sure to get closer to the truth.
**About Martijn Dashorst**
My Java experience is finally old enough to drive, vote and drink a beer (not all at once). One of the remaining Eclipse users, loves Java, relationship with Maven is complicated.
Martijn Dashorst has worked since 2004 at Topicus and has used Java since 2002. Loves server-side Java. You might know him from Apache Wicket—he's dabbled somewhat in that framework. Loves his family and cats, finds Douglas Adams' description of the Sirius Cybernetics Corporation's technology very apt to the current technology landscape.
**Building AI Agent Platforms: Architecture, Communication, and Standards**
AI systems evolve from standalone models into connected, agent-based ecosystems, new architectural patterns, protocols, and standards are emerging. Concepts such as AGUI, A2A, A2UI, and MCP-based applications are changing how intelligent systems are designed and integrated.
This presentation explains how these approaches affect system structure, responsibilities, and interoperability. Using architectural diagrams, it shows how AI agent applications communicate and collaborate through standardized interfaces, and provides guidance on building scalable and maintainable AI platforms.
**About Pascal Wilbrink**
Pascal is a senior software engineer at OpenValue with over a decade of experience and a strong interest in applied AI and intelligent automation. He enjoys exploring how technology can make developers’ lives easier and software more resilient. When he’s not experimenting with new ideas or building open-source tools, Pascal likes to learn by doing and turning complex problems into practical solutions.
Apeldoorn JUG @ Belastingdienst : DDD, Event Storming en Hexagonal Architecture
Beste Java-ontwikkelaar,
We nodigen je graag uit voor een fysieke Java Meetup bij de Belastingdienst over **DDD, Event Storming en Hexagonal Architecture** door Arjen Wassink & Cees van der Velde van Quintor.
**Programma:**
17:45 Inloop
18:00 Indonesisch buffet (halal, koosjer & vegetarisch)
19:00 Presentatie **Domain Driven Design / Event Storming**
19:45 Pauze (koffie/thee)
20:15 Presentatie **Hexagonal Architecture**
21:00 Drankjes met hapjes
21:30 Afsluiting
De presentaties worden in het Nederlands gegeven.
**Betere systemen ontwikkelen met hulp van DDD, Event Storming en Hexagonal Architecture**
Je hebt het vast wel eens meegemaakt dat je een software systeem onder handen krijgt die niet makkelijk te onderhouden, upgraden of uit te breiden is. Iedere aanpassing lijkt exponentieel veel tijd te vergen. Er kunnen verschillende oorzaken hiervoor zijn, maar vaak zie je dat er te veel afhankelijkheden in de sourcecode zijn, verantwoordelijkheden niet goed belegd zijn of het systeem niet goed aansluit op de werkelijkheid.
In deze sessie gaan we in op hoe DDD, Event Storming en Hexagonal Architecture ons kan helpen deze punten te verbeteren aan de hand van een concrete casus, diagrammen en sourcecode.
Zo gaan we in op:
* hoe Event Storming kan helpen de brug te slaan tussen de ‘business’ en developers, zodat een systeem aansluit op de werkelijkheid
* DDD artefacten input leveren voor het bepalen van een systeemarchitectuur met duidelijke verantwoordelijkheden en afhankelijkheden
* Hexagonal Architecture handvatten biedt voor een software architectuur met minder functionele- en technisch afhankelijkheden
Mis deze inspirerende kennissessie niet en ontdek hoe je jouw softwareprojecten toekomstbestendiger maakt!
**Arjen Wassink**
Arjen is een architect bij Quintor met 25 jaar ervaring in het bouwen, onderhouden en doorontwikkelen van verschillende soorten systemen met Java technologie. Met zijn brede techniek en vakmanschap interesse is hij instaat enterprise architecturen te vertalen naar systeem- en software architecturen, en werkwijzen die werken.
Hiernaast verzorgt hij een minor cloud-native software development aan de Hogeschool Utrecht waarin hij nieuwe vakgenoten leert professioneel software te ontwikkelen voor de cloud.
**Cees van der Velde**
Cees is een ervaren business- en informatieanalist bij Quintor met een passie voor techniek. Zijn kracht ligt in het helder krijgen en begrijpen van vraagstukken en deze te vertalen naar een concrete oplossingen die aansluiten bij de behoeften van developers, zodat effectief het juiste systeem gebouwd wordt.
**Deelname:**
Deelname is gratis.
**Locatie:**
Belastingdienst
Stationsplein 50 (naast het bus- en NS-station)
7311 NZ Apeldoorn
**Opmerkingen:**
* Vergeet uw paspoort of identiteitskaart niet mee te nemen.
* Registreer met dezelfde achternaam als op uw paspoort of identiteitskaart.
* Geef eventuele dieetwensen door, anders dan halal, koosjer en vegetarisch.
* Wij raden u aan om met het openbaar vervoer of de fiets te komen.
* Er zijn 30 parkeerplaatsen onder ons kantoor, navigatieadres Sophialaan 22 - 7311 PD Apeldoorn.
* Overige parkeermogelijkheden:
1. Parkeergarage Haven-Centrum, navigatieadres: Korte Molenstraat 2 Apeldoorn,
2. P+R, Laan van de Mensenrechten Apeldoorn.
Hardware Events Near You
Connect with your local Hardware community
Inaugural Meeting
Join the inaugural meeting of the Columbus Vintage Computing Club (CVCC)! Get to know others in the vintage computing space and get hands on time with a Commodore VIC-20 and various Palm Pilot PDAs!
We will use this time to get to know each other, share projects we've been working on and plan the future of the CVCC.
We'll be at the Hilliard Library in Meeting Room 2A at 6:00 PM - 8:00 PM
Columbus Arduino Raspberry Pi Enthusiasts (CARPE) (Check Location)
Bring your Raspberry Pi, Arduino, microcontroller, or any other electronic project and join fellow electronics makers for a night of creativity and collaboration!
This session is open forum to share your current projects—whether complete or in progress, it’s all interesting! Whether you’re deep into embedded systems, exploring new ideas, or just getting started, you’ll find a welcoming space to collaborate, share, and get inspired.
(NOTICE - Location change!) This session will be at the Karl Road Branch of the Columbus Library in the Conference Room 2.
Board games at The Forge
The Forge does have a full bar and kitchen. There is no cover charge but they do request all attendees to purchase a minimum of ~$20 per person. Soft drink refills are $1 each. Please support our hosts so we can continue to provide great events for the group!
The Forge has a large library of games available for us to enjoy. Hosts and regulars will also provide numerous popular games but please bring any games you would like to teach and/or play.
Doors open at 6, and we expect gaming to be rolling by around 630. Please promptly end your games and clear out the space at 10pm when the bar closes.
We encourage socializing but do not permit disruptive behavior of any kind. Thank you for your continued commitment to providing a fun and welcoming space to veteran, newbie, and rookie gamers in the Columbus area.
Parking can be challenging. There is a parking lot behind the neighboring Mexican restaurant that is free and easy to walk from but it's a bit hidden.
COhPy Monthly Meeting
**NEW LOCATION: Improving Office in Franklinton**
Physical location:
Improving Office
330 Rush Alley Suite #150
Columbus, OH 43215
Schedule:
* 6:00 p.m.: Socialize, eat, and drink. Improving will be providing pizza and beverages.
* 6:30 to 8:00 pm. Main meeting and presentation(s).
See the handy Parking Map - we recommend street parking.
[Street Parking Map](https://docs.google.com/presentation/d/1u2A4fLNlxwLJn0KA_hKc8bnFlFHLvsHBDh-_8wzX_tk/edit?usp=sharing)
We meet on the last Monday of each Month. Presentations are given by members and friends of this group. If you would like to do a presentation (small or large) on a python topic, please contact centralohpython@gmail.com
Quarterly Community Gathering
Join the Columbus AI community for our quarterly gathering — a casual, community-focused evening where everyone has a chance to share, learn, and connect. These open mic–style events give anyone in the community up to **5 minutes** to present a project, share a tool, pose a question, or offer a perspective on the evolving AI space.
No slides required — just a welcoming space to exchange ideas and keep the local AI conversation moving.
If you’d like to take the stage, message **Chris (the organizer)** with a **title and short description** of what you’d like to share.
Whether you’re deep in the field or just getting curious, come connect with others building and exploring AI in Columbus.
Sponsored by [Transform Labs](https://www.transformlabs.com/services)




















