IoT, Sigfox, LoRaWan, technology, hardware, security, hacking (DiY)
The challenge with mesh networks such as MeshCore, Meshtastic, or similar systems is that a phone is still the most practical device for reading information, sending messages, and typing on a keyboard. However, the phone also needs to be connected Continue reading
About 20 years ago, I started working on the design of a microprocessor. The goal was mostly to have fun building a small 32-bit RISC CPU, make it open source, and, most importantly, explain the process behind it. I abandoned Continue reading
A while ago, I wrote about Meshtastic. At the time, Meshtastic was the thing everyone was talking about: tens of thousands of nodes sold, many products packaged by HELTEC, LILYGO, RAK, and Seeed Studio, and a large international community building Continue reading
I think, like me, you have often encountered the problem of having to manage Raspberry Pi devices that are deployed remotely and behind a NAT. In previous articles, I discussed solutions using SSH, SSH tunnels, and port forwarding. It is Continue reading
IoT platforms emerged early in the history of IoT, arguably too early. At the time, the industry was driven by momentum and the urgency to provide ready-to-use solutions. Over the past decade, however, many of these platforms have been discontinued, Continue reading
Meshtastic is a network without infrastructure—a true mesh network. However, if the goal is to achieve wide-area coverage, relying solely on portable nodes or devices installed at home is not enough. Deployment on elevated sites, ideally outside urban areas, becomes Continue reading
For one of my clients, I had the opportunity to test several different people-counting solutions. Our requirement was for a system capable of communicating independently from the company network, such as through LoRaWAN, while also being available for purchase in Continue reading
TTC 2025 in Amsterdam highlighted IoT market maturity, with fewer breakthroughs but strong focus on compliance, BACnet integration, mesh networks, and non-terrestrial connectivity. Discussions on CRA, RED, and Edge AI reflected regulatory and technical shifts, while the event’s community spirit confirmed its role as a key hub for IoT innovation. Continue reading
A technology I haven’t had the chance to talk about until now, mostly because I hadn’t really gotten hands-on with it yet—but one with enormous potential: Wirepas is a managed mesh radio solution, or rather, a radio-agnostic mesh solution. While Continue reading
Creating a connected object is easy! This is often what we think, or what we believe we know when we create our first DIY project with an Arduino. When I attend IT conferences and listen to others talk about their Continue reading