Jumbo cleaning robots
These super-sized Roomba-like robots from IntelliBOT are cleaning facilities around the USA – [via] Link. If you want to make your own version, check out the how-tos on controlling a Roomba with a serial cable and/or Bluetooth.
Technology
HOW TO – Make a DVD-thermometer
Great project, based on the temperature the DVD player will show a different music/track/video/image – the Maker, Alberto Ricci Bitti, writes – “I made the DVD-thermometer at home, for the fun of doing it, with no special tools other than a soldering iron, a multimeter, a PC with ordinary CD-R burner, and the Motorola QT […]
Homebrew microcontroller based hard drive LED bar graph
CandyAddict writes – “This is a PIC microcontroller project which turns the computer’s hard drive LED into a more interesting 10 LED bargraph display.” Link.
Add 8GB to your cell phone…
Here’s a clever add-on for your cell phone that can give it up to 8 GB of memory – you just pop it in the card slot and stick the memory on the back of the phone. The memory upgrades are compatible with all phones using a MicroSD or T-Flash connections. [via] Link.
“Vacuum tube age” technical books online
Pete writes – “Preserving the Knowledge of the Ancients? I’ve found that most of the technical books published before about 1964 never had their copyrights renewed, so now are in the public domain. So I am endeavoring to digitize and post some selected books relating to the “vacuum tube age” of electronics here.” This is […]
Spiderman case mod & engraving…
Micke Gustafsson’s amazing case mod for his son – “My son loves Spiderman so naturally when I asked him how he wanted his new case themed, he didn’t even blink. Spiderman it is then. Thankfully, Spiderman has been around in various forms for over 40 years, including comic books, TV shows and several highly successful […]
Ultrasonic range finder
Jeez, Spark Fun has another spiffy part I really want to tinker with, an ultrasonic range finder – “The EZ1 Range Finder is surprisingly simple to use, and astonishingly accurate. Point it at a wall, find out how many inches you are away. Point it at your hand, find out just how long your arms […]