All articles
Regulation, electronic design, firmware and real projects, newest first.
CRA reporting: what you need in place by 11 September
A 24-hour early warning, a 72-hour notification and a field firmware inventory. What to have ready before the CRA's first hard deadline.
Read article
The real danger of fake chargers: comparing the schematics
Which components disappear when a charger is optimised for cost, and why nearly all of them were regulatory requirements.
Read article
CE marking when your product has a battery
Battery Regulation 2023/1542, IEC 62133 and UN 38.3: the three separate fronts that open up with a lithium cell.
Read article
Do firmware updates invalidate CE marking?
When an over-the-air update is a substantial modification, and how to design updates so it never is.
Read article
CE marking: real costs and pre-compliance
What CE marking really costs for an electronic product: EMC testing, the technical file and the overspend that early pre-compliance prevents.
Read article
VandalStop: anti-theft alarm for vending machines
A real product development case for an anti-theft alarm for vending machines, focused on electronics, detection and the final product.
Read article
How an AI motion sensor learned when to switch the lights on
A practical case about intelligent detection, automation and applied learning in a real motion-sensor system.
Read article
Top 5 real-life Arduino projects
Five real examples to discover practical Arduino applications and how it is used in projects beyond basic learning.
Read article
7 mistakes when building your first prototype that can ruin your idea
Seven common mistakes when building a first electronic prototype, and how to avoid losing time, money and idea validation.
Read article
How to prototype a product
A guide to understand where to start, which stages to follow and how to approach a first functional prototype without losing sight of validation.
Read article
How to validate the feasibility of an idea or invention
An article to validate whether an idea solves a real problem, measure market interest and decide when it makes sense to move towards an MVP.
Read article
What circuits would look like if we used ternary logic instead of binary
A technical article about how circuits would change if they worked with three states instead of two, and what advantages and limitations ternary logic would have.
Read article
My story with Arduino
A personal story about how I started with Arduino, which major projects I have completed and how it changed the way I see the world and approach problems.
Read article
How to download the Arduino IDE for free
Download the Arduino IDE easily and completely free of charge. With this software you can program all the projects you want.
Read article
ESP32 FAQ
A resource to answer common questions about what ESP32 is, how to power it, how to program it from the Arduino IDE and what applications it is commonly used for.
Read article
Arduino FAQ
A guide to answer common questions about what Arduino is, what you can do with the platform, how to power it, which kit to choose and how to start learning.
Read articleNEXT STEP
Want to keep learning while building your product?
At RobotUNO we share practical content about electronics, prototyping and product development, and we also help startups and companies turn ideas into real solutions.