Measurement Computing has announced the USB-SSR24, a USB-based device for monitoring and controlling solid-state relays. It offers 24 channels of isolated I/O through standard-size OAC5/ODC5/IAC5/IDC5 ...

Meet the little board that could: [alcor6502]’s tiny USB relay controller, now evolved into a multifunction marvel. Originally built as a simple USB relay to probe the boundaries of JLCPCB’s ...

The JSB284 series USB 2.0–controlled relay module is rated at 15 A for 125 Vac and 10 A at 30 Vdc. The relay features blade-type lugs. This module replaces internal pc-based plug-in cards for use in ...

Multimeters are a bit like potato chips: you can’t have just one. But they’re a lot more expensive than potato chips, especially the good ones, and while it’s tempting to just go get another one when ...

The model JSB-340 provides four 2-A form-C relays and optoisolated inputs that plug into a standard USB in a plug-and-play manner. Inputs provide up to 2500-V isolation and are selectable from 0 to 15 ...

Over the years, control relays of various types have been used by the hundreds — even thousands — to control nearly every function in commercial and industrial processes. Today, many of those ...