Robert, I'm a huge fan of over engineering. Thanks for the chuckle!! On Sat, Mar 24, 2018, 15:52 Robert <info...@die-optimisten.net> wrote:
> On Sat, 24 Mar 2018 22:32:02 +0100 > "Hess THR" <hessnovth...@mail.com> wrote: > > Can you please recommend any hardware, that I could plug in to the > notebook and though I could send a warning mail when the door was moved > (open/closed). > > I can think of so many ways to do this, from boring to insane :) > > * Mount a switch on top of the door that gets unpressed when the door > opens, and connect to the serial port. Then read the pin status. > * The same, but mount the switch behind the door so that it gets > pressed when the door opens. > * Use a magnetic switch instead, and read it through the serial port. > * Put a keyboard behind the door, so that the door presses against a > key when it opens. Map the key to a script. > * Attach a mouse to the door and react on the mouse movement. > * Attach a GPS sensor to the door and measure movements. > * Attach a USB barometer and detect the air pressure diff when the door > opens. > * Attach a USB gyroscope to the door. Detect movement. > * Attach a USB light sensor (Arduino?) and detect movement. > * Put an RFID tag on the door, and attach an RFID reader, to detect > when the tag approaches the reader. > * Attach the laptop to the door and use the built-in gyroscope (if > available). > * Same, but use the gyroscope from the HD. Might require firmware > hacking. > * Don't oil the door and evaluate the microphone input. > * Attach any USB device, but route the 5V line through a switch > attached to the door. Detect when the device attaches. > * Mount the laptop behind the door so that the door opens/closes the > laptop lid. Detect wake/sleep state. > * Fix your credit card to the door and have it move through a card > reader when the door opens. Check account balance through script. > > Send pix! > > regards, > Robert > >
