Technology

Elevator express mode hack: truth or myth?

Elevator express mode hack: truth or myth?

There’s an urban legend that claims you can put most elevators into “express mode,” causing the car to sweep directly to your floor without stopping. Supposedly, all it takes is holding down the “door close” button in combination with the desired floor number (and, perhaps, a slight lack of scruples). Is this fact or fiction? […]

Barebones Arduino on a breadboard

Barebones Arduino on a breadboard

Here is a truly barebones Arduino setup. Just the Arduino chip and a few support parts. This has to be close to the simplest and lowest cost way to play with microcontrollers. The only special parts are the resonator and the Mega168 programmed with the Arduino boot loader. Everything else you should already have as […]

HOWTO: Arduino LCD interfacing

David from uC Hobb writes: I have scrounged up several LCD displays and wanted to use one with the Arduino. At the very least I wanted to test the displays. For future projects with the Arduino having a LCD display could be very handy so for this reason it is a good first project as […]

Send an MMS from your iPhone

Send an MMS from your iPhone

One of the limitations of the iPhone is that you can’t send a multimedia message over MMS. Fortunately, there is a simple workaround. Most, if not all, cellular providers have an email-to-MMS/SMS gateway that you can use. For example, T-Mobile uses tmomail.net. So, all you need to do to send an MMS to your T-Mobile-using […]