A mobile electronic list

By martinm, in DIY and Internet of Things, november 06,2026.

Do you remember the Grocery List 2.0 - that little barcode scanner paired with a receipt printer that let you create your shopping list by scanning the items you needed to buy and then print it out right before heading out to the store? Believe it or not, 10 years later, I'm still using this system and am completely satisfied with it - well, almost...

Programming NFC tags

By mvuilleu, in Misc and Internet of Things, july 10,2026.

NFC technology has become widely adopted in cell phones in recent years, but few people realize that it is simply a logical overlay based on RFID standards that have been around for much longer. In particular, you can use the Yocto-RFID-15693-C to write to any ISO-15693 tag specially formatted data that Type 5 NFC readers will recognize, including many cell phones.

Embedding Yocto-Visualization in a TypeScript WebApp

By mvuilleu, in Internet of Things and Programming, january 02,2026.

A few weeks ago, we showed you how to create a small WebApp for remote control of a heater using a simple HTML file and a few dozen lines of TypeScript code, thanks to VirtualHub for Web. This week, we'll take it one step further and enhance it by adding a graph showing the history of measured temperatures.

A control WebApp with VirtualHub for Web

By mvuilleu, in Internet of Things and Programming, december 12,2025.

Yoctopuce products enable you - among other things - to remotely control a device via the Internet. What's special about the Yoctopuce solution is that it's not based on a proprietary infrastructure, which could shut down any day and render all these systems inoperable, as has already happened far too often. Yoctopuce offers remote control tools which you are free to install on the host of your choice, and which you can move to another host in a few years' time if need be...

Monitoring a solar thermal system

By mvuilleu, in Measures, DIY and Internet of Things, june 06,2025.

If you've ever discussed photovoltaic solar panels with a proud owner, they will certainly have proudly shown you on their cell phone how much electricity they produce every day. With thermal solar panels, on the other hand, remote control is less widespread, as control systems are generally more primitive. So let's take a look at how you can add a simple monitoring system to your domestic water heating system, which could maybe save you a few hundred kWh a year...