Credit: UCTRONICS

When you do not have a Robot Car, you would think there are plenty of things to do with it, like see what’s going on around the house without moving from your couch, scare your cat, annoy your significant other, etc. Well, when I finally got one, I did all that the first day, and then put it on a shelf.

The purpose of this article is to show how I replaced the C language server that controls the Robot Car hardware using Javascript (Node.js)

This article does not intend to be a product review but I have to give…


Circuit is a team collaboration software supporting chat, voice, video, screen share and much more. It’s available on the browser, as a desktop application, iOS, and Android. The free version allows up to 100 users and 3 users per conference.

For an introduction to Circuit APIs, you may want to read this article.

In this article, we will use the Circuit SDK to control an IoT device through MQTT and Circuit forms to let Circuit users control the device directly from their Circuit clients.

The IoT device is an RGBW LED strip controller. The controller itself is outside of the…


This article intends to show the Circuit SDK’s portability and how it can be easily integrated with inexpensive hardware to build all kind of communication devices.

Circuit is a team collaboration software supporting chat, voice, video, screen share and much more. It’s available on the browser, as desktop application, iOS and Android. The free version allows up to 100 users and 3 users per conference call without any feature limitation.

For an introduction to Circuit APIs you may want to read this article.

Circuit Receptionist Kiosk

This application can be ideal for office buildings with restricted access and without a human receptionist. …

Walter Martins

Software Engineer — Atos Digital Expert. Views expressed are my own and do not necessarily reflect the views of my employer.

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