Perhaps cheaper still, a Raspberry Pico. Those go for $4, which even for the smaller
Arduinos is hard to beat.
On Nov 11, 2022, at 4:29 PM, Nigel Johnson Ham via
cctalk <cctalk(a)classiccmp.org> wrote:
Or even cheaper, and Arduino uno
Nigel Johnson, MSc., MIEEE, MCSE VE3ID/G4AJQ/VA3MCU
Amateur Radio, the origin of the open-source concept!
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
> On Fri, Nov 11, 2022 at 4:16 PM W2HX via cctalk<cctalk(a)classiccmp.org>
>> 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
>> 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