I found this interesting box at qkits.com QK108 It has 8 relay outputs and 4 inputs. It's controlled via RS-232c(serial port) instead of a printer port. I have an 8 port serial card in a linux server to control a bunch of stuff. I have apache on that server and can control the relays via a cgi script. I found it very easy to program a serial port via perl and with an 8 port serial card(from Perle). You can have a bunch of stuff hanging off it, like a 4 probe temp kit (QK 145) and a ups and an RS-232 voltmeter to monitor the commerical power coming in and ....
I suspose it would be easy to take this even further to write AGI scripts and dial an extension and let * announce the temperature or status of those inputs and to control the outputs of the QK108. I also use it with their K2639 to monitor the sump pits, monitoring for sump pump failure.(therefore high water levels). Lyle ----- Original Message ----- From: "David Cook" <[EMAIL PROTECTED]> To: <[email protected]> Sent: Monday, December 20, 2004 9:10 AM Subject: Re: [Asterisk-Users] Is there hardware to remote control > > From: Ronald Wiplinger <[EMAIL PROTECTED]> > > Subject: [Asterisk-Users] Is there hardware to remote control > > available? > > To: Asterisk Users Mailing List - Non-Commercial Discussion > > <[email protected]> > > Message-ID: <[EMAIL PROTECTED]> > > Content-Type: text/plain; charset=us-ascii; format=flowed > > > > I am looking for a hardware, which can turn on / off (control) via > > the > > dial plan. > > Is something available? > > You can run an AGI from within your diaplan which can do anything > available to the host machine. As for turning things on/off, you have > several options. > > a) serial port control; > b) parallel port control; > c) attached microcontroller; > d) X-10 signals. > > Please exuse this for going OT into home automation stuff, but in an > effort to answer the original question, here goes ... > > a) I have often used a little program that flips the DTR & RTS signals > on a serial port (independently so you can control two things). You > need to turn on/off a logic state or an LED that is fine. If you need > to switch a larger electical load, put a solid state relay on that pin. > I have my laser printer and my pool pump controlled that way. > > b) Parallel port works basically the same way with the 8 output pins on > the connector that can be controlled. Haven't actually done this > though. > Lastly, connect a microcontroller like a Parallax Basic Stamp to your > server where you can write code that runs on the microcontroller and > does numerous things pseudo autonomously from > > c) Microcontroller like the Parallax Basic Stamp series. This allows you > to run a program on this little computer device (>100.00) that was > "made" for I/O control. It can do all kinds of things pseudo > autonomously and feed back the info to the PC. > > d) X10 have several interfaces for PC's. I like a little one called the > "Firecracker" interface. It uses an RS232C line and can control devices > by sending radio signals from it to a reciever module that is plugged > into a wall socket. It then embeds the cammands you sent it into the > electrical circuits in your home. Another module then plugs into the > wall somewhere and you plug devices into it. The little wall modules > recieves the signal coming along the electrical lines and turns the > device on/off/dim, etc. The reason I like the Firecracker is that it is > a "dumb" device. All program code must exist on the PC therefore I have > more control. They have other devices which you download program code > to then they are autonomous which I don't think is what you are looking > for. > > I use a) & d) extensively here. If anyone wants the code or more info, > just ask. > > David Cook > _______________________________________________ > Asterisk-Users mailing list > [email protected] > http://lists.digium.com/mailman/listinfo/asterisk-users > To UNSUBSCRIBE or update options visit: > http://lists.digium.com/mailman/listinfo/asterisk-users > _______________________________________________ Asterisk-Users mailing list [email protected] http://lists.digium.com/mailman/listinfo/asterisk-users To UNSUBSCRIBE or update options visit: http://lists.digium.com/mailman/listinfo/asterisk-users
