Search found 8 matches

When I've used signal lines for low voltage control, "echo and ignore" is nice and simple for non-critical apps. If I go back to the idea of using serial communication (forgetting about USB for now) w ...

My vote is without a doubt for CAN-BUS.
I think what I was originally trying to describe fits the can-bus principle (http://www.mjschofield.com/canworks.htm) albeit using a non-standard messaging for ...

USB is a pain.
You're not kidding!
I originally thought about using RS232, as this is what I've used in the past for PLC integration. But I've also noticed now that some laptops, for example, are o ...

Looks like it's back to the drawing board!
Thanks for the help - I'll post back here when I've something else drawn up....

I suppose it depends who is doing the typing!
My sister spends ages pressing the keys (especially the tricky little blighters, like x and v which have a habit of becoming invisible on the bottom row) ...

Sorry if I've oversimplified things - I'm just getting used to miniaturing things and replacing relay switches with transistors, and PLCs with microchips!

Would introducing a couple of transistors ...

I'd heard that there was a limit to the maximum length to USB connections, and assumed there would be signal loss of distance. I like the idea of reusing the USB sockets on each device, instead of usi ...

I'm planning a usb-driven 240v switching device, which is to eventually be software programmable (a bit like a really simple time-based PLC).
I'd like to make the device(s) link together similar to a ...