USB-C rechargeable AA batteries, really?

By martinm, in Reviews, october 14,2022.

While shopping at one of our usual suppliers, we came across an intriguing gadget: AA batteries, with an integrated USB-C charging port and which promise a capacity of 1600mAh for a 1.5V voltage. We couldn't resist the temptation to buy a pack, just to check if an AA battery with an integrated charger really works.

Using embedded files in an HTTP callback

By seb, in Programming, october 07,2022.

This week, we tell you about a new feature for HTTP callbacks. We have added a new method that enables the use of files located on YoctoHubs in the HTTP callback script.

Storing real-time measurements in a CSV file

By mvuilleu, in Measures and Programming, september 30,2022.

Although Yoctopuce sensors have a built-in data logger, it is often useful to store the data in a database or CSV file for local processing. Ideally, one would like to fetch the data in real time as much as possible, but reserving the possibility to retrieve the data stored by the module in case of temporary connection loss. And this is not so difficult to do...

Who did fail to properly close the fridge (again)?

By martinm, in DIY and Programming, september 23,2022.

At Yoctopuce we have a small refrigerator that is used to keep the stock of solder paste, a few bottles of water and occasional picnics cool. We've noticed that the little flick of the wrist we all usually give the door isn't always enough to close it. It then stays open for hours before anyone notices. We suspect this is a result of the heavy water bottles stored in the door. We could probably solve the problem by slightly tilting the fridge with wedges, but a Yoctopuce overkill was much more fun...

Display your Todoist tasks on a Yocto-MaxiDisplay

By seb, in Programming and Internet of Things, september 18,2022.

A few years ago, we embedded a Yocto-MaxiDisplay in a kitchen. This device displayed upcoming events by connecting itself to a Google agenda. 8 years later, the system still works, but instead of displaying a calendar, we would like it to display the items of a Todoist to-do list.