Bit of a shot in the dark, but... anyone know what these things are?
Google tells me:
*"Introducing the Nalloy AOS-120 Model VK8RJ3 Industrial Grade USB Sensor System, perfect for food grade use. The system is designed to provide accurate and reliable data for industrial processes. The brand, Nalloy, is a trusted name in the industry, ensuring high quality and durability.
The system is ideal for use in various applications in the business, office, and industrial sectors. It features a USB sensor system that provides reliable data for electrical equipment and supplies. The Nalloy AOS-120 is easy to use and requires minimal maintenance."*
... which doesn't really tell me anything.
Some kind of sensors... food grade, too. 4 of them attached to a single USB-A plug.
They seemingly have some very strong magnets in them, because they keep sticking to thing~ 😂