Controlling Peripheral Relay/Switch with Scripts Post: 302881383

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Special Forums Hardware Controlling Peripheral Relay/Switch with Scripts Post 302881383 by Akshay Hegde on Sunday 29th of December 2013 12:02:22 AM

12-29-2013

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From your requirement it looks like you are interested to control electronic / electrical devices with script, for this you need to have embedded modules which is usually microcontroller based, for usb based controlling you can use usbmicro's U451 module, and you'll need some wire, wire cutters, crimpers, and nuts etc to hook it all up.

For web based control you can use some webrelay, for this you need to have 9-28 Volts of power supply, which has got interface for connecting relays, and one Ethernet port for connecting LAN cable from PC to module, control will be either browser based or xml messages, which we can do through scripting. or you can buy Net Control NC-800 electronic module, from which you can control maximum 8 relays, from internet/intranet, buying modules are little expensive.

So if you are familiar with PCB designing , Basic Knowledge of programming 8051 / 8052 Microcontroller, Soldering, usage of breadboard, then you can buy components and can build your own module with less money, afters it can be controlled through scripting.

Probably you can go through http://www.electronicsforu.com , build your module, come back to us and tell us how you would like to control devices through scripting, what is medium of communication USB/LAN/Wireless, what command / message device will recognize / use to activate or deactivate relay.

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LEARN ABOUT LINUX

usb-devices

usb-devices(1)							Linux USB Utilities						    usb-devices(1)

NAME

       usb-devices - print USB device details

SYNOPSIS

       usb-devices

DESCRIPTION

       usb-devices is a (bash) shell script that can be used to display details of USB buses in the system and the devices connected to them.

       The  output  of	the  script  is similar to the usb/devices file available either under /proc/bus (if usbfs is mounted), or under /sys/ker-
       nel/debug (if debugfs is mounted there). The script is primairily intended to be used if the file is not available.

       In contrast to the usb/devices file, this script only lists active interfaces (those marked with a "*" in the usb/devices file)	and  their
       endpoints.

       Be advised that there can be differences in the way information is sorted, as well as in the format of the output.

RETURN VALUE

       If sysfs is not mounted, a non-zero exit code is returned.

FILES

       /sys/bus/usb/devices/usb*
	      The part of the sysfs tree the script walks through to assemble the printed information.

       /proc/bus/usb/devices
	      Location where the usb/devices file can normally be found for Linux kernels before 2.6.31, if usbfs is mounted.

       /sys/kernel/debug/usb/devices
	      Location where the usb/devices file can normally be found for Linux kernel 2.6.31 and later, if debugfs is mounted.

SEE ALSO

       lsusb(8), usbview(8).

AUTHORS

       Greg Kroah-Hartman <greg@kroah.com>

       Randy Dunlap <rdunlap@xenotime.net>

       Frans Pop <elendil@planet.nl>

usbutils-001							   23 June 2009 						    usb-devices(1)