Reed switch vs. Hall effect sensor

By martinm, in Electronics and DIY, august 05,2022.

Two years ago, we told you about reed switches, especially to warn you about the difficulties that you can encounter when you want to use them to build a rev counter. But we had somewhat forgotten to tell you about Hall effect sensors, which can be a welcome substitute.

A WiFi-driven LED aquarium lightning

By mvuilleu, in DIY and Internet of Things, july 29,2022.

Following an epic tadpole story that did not turn out as planned, four goldfish came into my house with their aquarium. The aquarium was second hand, so the lighting was no longer in working order. No worries, we will repair it in the Yoctopuce way...

A USB full-color scrolling LED display

By mvuilleu, in DIY, july 01,2022.

While working on our radar last week, we realized that it was a bit unfortunate that two Yocto-Color-V2 were required to drive a 32x8 LED display. Even more so, that we had just developped a custom device for a customer, capable of driving 512 RGB LEDs. Therefore, we decided to improve the situation by expanding the capability of the Yocto-Color-V2.

Transferring two-factor authentication SMS

By seb, in DIY, june 17,2022.

More and more sites require two-factor authentication via SMS. From a security standpoint, it's very good, but it can become bothersome if the login is shared by several people. This week, we are going to see how to receive an authentication SMS and to transfer it to several people.

Driving Velux skylight windows with Yoctopuce

By seb, in DIY, may 30,2022.

A few months ago, we wrote a post explaining how to drive the opening of Velux skylight windows with a KLF 200 interface. This week, we are going to improve this system by adding a control panel to it.