Labo Élec

electrical lab simulator
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Alcala Factory

Privacy and GDPR

Labo Élec works without any account or cookie. This page describes what the site stores on your device, what the contact form sends, the anonymous audience measurement, and your rights.

Data controller

Alcala Factory, the project workshop of Alcala-Web.be (Belgium). For any question about your data: the site's contact form.

What the site stores on your device

The site uses the browser's local storage (localStorage, key labo-elec.v1), never a cookie. It keeps:

  • your Game progress: completed levels, stars, coins;
  • the history of your Practice sessions (date, filter, mark);
  • the last sandbox build;
  • the language and your settings (current arrows, Bastaya mode, optional nickname);
  • the contact-form draft until it is sent;
  • a random identifier and your visit days (key labo-elec.stats.v1), for the audience measurement described below.

This data never leaves your browser: it is neither transmitted to nor read by Alcala Factory. It belongs to this browser on this device.

Retention

Until you delete it. You can erase it at any time with the "Reset progress" button on the home screen, or by clearing the site data in your browser. In private browsing it disappears when the window is closed.

Contact form

Nothing is sent before you click "Send". The message contains: the request type, your text, your e-mail address if you give it (optional, to reply to you) and, only if you tick the box, a technical context (site version, browser, current screen, current build) that helps reproduce a bug.

Purpose: answering your request or fixing the reported bug. Legal basis: your consent (you choose to send) and Alcala Factory's legitimate interest in maintaining the site. The message goes through a form-delivery service or your own mail client, and is kept for as long as it takes to handle the request.

Third-party services

  • Audience measurement: the site uses Umami, an open-source tool hosted by Alcala Factory, with no cookie and no third party. It receives the screens visited, the exercises started, completed or abandoned, the hints used, a presence beat every 60 s, the language, the device type and the country (derived from the IP address, which is not kept). A random identifier stored on your device tells new visitors from returning ones; it is linked neither to your nickname, nor to your answers, nor to your circuits. Legal basis: legitimate interest (understanding how the site is used in order to improve it). To opt out, enable “Do not track” or block the statistics domain in your browser.
  • Hosting: like any website, the server delivering the pages may log technical data (IP address, date, requested page) for security purposes, for a limited time.
  • Fonts: the Outfit typeface is loaded from Google Fonts, so your browser sends its IP address to Google's servers to fetch it.
  • External links (Patreon, Alcala-Web.be): those sites apply their own privacy policy.

Your rights

You have the rights of access, rectification, erasure, restriction, objection and portability. For data stored on your device, you exercise them yourself (see "Retention"). For a message sent through the form, write to us through that same form. You may also lodge a complaint with the Belgian Data Protection Authority or the authority of your country.

Updates

Last updated: 17 September 2026. This page is revised whenever the way the site works changes.

Simulated time00:00:00
Q = I·t-
W = P·t-

Workbench

Circuit diagram CEI 60617

How does it work?

The perfboard: each big hole is a circuit node. You push a single leg of a component (resistor, lamp...) into it. The 4 small holes around it are connected to it: that is where chips and leads plug in.

  1. Drag a component onto the board: it snaps onto the grid. R rotates it.
  2. To join neighbouring big holes, click Jumper chip in the palette (or C) then drag on the board: a line of chips is laid at once. Bridged holes become a single node.
  3. For long links and for the power supply (placed next to the board), drag a lead from one big hole to another (or to a terminal).
  4. As soon as a loop is closed, the circuit is solved in real time (Ohm + Kirchhoff) and the diagram follows.
  5. Zoom with the wheel (or + / −, two-finger pinch); drag the background to pan, 0 fits the board. The + buttons around the board add a row or a column.

Del delete · R rotate · C chip brush · Esc cancel · wheel zoom · drag the background to pan

Confirmer

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