DIY Projects

LEGO lie detector

LEGO lie detector

Nice Make! – “You can’t get more simple than the Galvanic Skin Response GSR sensor. It is just a cut 9V LEGO motor wire and some aluminum foil wrapped around your fingers with tape. I was inspired by talks by Mindfest panelists Karen Wilkinson and Mike Petrich who talked about using this type of sensor.” […]

Using the sun to sterilize water

Using the sun to sterilize water

Clever way to purify water – “Tanzanian villagers have begun using an energy-saving method to sterilise their drinking water – leaving the water under the sun. About 40 houses in Ndolela are using solar purification. Mrs Longwa says the process is simple to follow. “I fill the plastic bottles, put the lids on, then put […]

Drive bay cover mod

Drive bay cover mod

ContraptionMaker writes – “This project actually started as a need to switch from my speakers to my headphones and back with out unplugging anything….Since this only required a switch and a headphone jack, I had a lot of room left on the drive bay cover, so I decided to add a couple of more switches.” […]

The wooden claw!

The wooden claw!

MAKE Flickr photo pool member Ocellnuri writes – “The actual claw part is completed. Today I need to put together the arm and the handle. I’m planning on doing it all with wooden pegs as fasteners. The mechanics are simple, but took some work to figure out. The gears were cut by hand with a […]