Black box may have something. They had something similar where you could call in via phone and activate a switch to reboot a computer.
Sent from my iPhone > On Nov 11, 2022, at 13:40, Fred Cisin via cctalk <cctalk@classiccmp.org> > wrote: > > Or even cheaper, a dumpstered/e-waste PC > >> On Fri, 11 Nov 2022, Nigel Johnson Ham via cctalk wrote: >> >> Or even cheaper, and Arduino uno >> >> cheers, >> >> Nigel >> >> >> Nigel Johnson, MSc., MIEEE, MCSE VE3ID/G4AJQ/VA3MCU >> Amateur Radio, the origin of the open-source concept! >> Skype: TILBURY2591 >> >> >>> On 2022-11-11 16:24, Bill Degnan via cctalk wrote: >>> not that it's easy but a raspberry pi could be set up to watch the serial >>> line. >>> On Fri, Nov 11, 2022 at 4:16 PM W2HX via cctalk<cctalk@classiccmp.org> >>> wrote: >>>> Hello all, >>>> I am looking for a device that sits transparently in an RS-232 serial line >>>> and upon seeing a particular code go over the serial line ((or sequence of >>>> codes) will actual a relay (or a transistor). Something with two DB25s or >>>> DE9s and is configurable to what code will trigger the output? Some kind of >>>> box? >>>> Does anyone know of such a thing? I guess it could be cobbled up with a >>>> microcontroller, but hoping to just get something "off the shelf." >>>> Thank you >>>> 73 Eugene W2HX >>>> Subscribe to my Youtube Channel:https://www.youtube.com/@w2hx
