Soldering iron (writing) pen
Super simple and fun – Got an old soldering iron, turn it into a pen! – [via] Link.
Technology
Homemade CatCamera
Another cat project today… J.Perthold made a camera that takes pictures automatically… from a cat! – Sometimes I have some challenging ideas, or crazy like some other people would say. This time I thought about our cat who is the whole day out, returning sometimes hungry sometimes not, sometimes with traces of fights, sometimes he […]
Is it better to invest or pay off your mortgage early?
There’s a huge discussion happening both on Lifehacker and Get Rich Slowly regarding the pros and cons of paying off a mortgage early. Contrary to my own assumptions, the numbers (assuming current interest rates around 6%) seem to strongly encourage investing your money instead of paying toward your mortgage’s principal. On the one hand, you […]
Update Facebook status with PHP and cURL
Christian Flickinger wanted to be able to sync status updates between his Twitter and Facebook accounts, so that when his status is updated on Twitter, his Facebook status is automatically updated at the same time. Unfortunately, Facebook didn’t have an API for setting status, so Christian decided to hack his own using PHP and cURL. […]
UDP Hole Punching: how Skype gets through firewalls
When two machines running Skype need to communicate directly, but are both behind a NAT firewall, there’s a clever trick that’s employed to start a communication channel. It works like this: First, both machines open a connection to a non-firewalled server. The server takes note of the source port (which may have been altered by […]
Make Mousey The Junkbot – Make: PDFcast
I’ve enjoyed Gareth’s writing for a while and it was great to finally meet him at Maker Faire. He was giving workshops on how to make Mousey the Junkbot and I got him to explain a little bit about it on tape and got inspired to make my own Mousey. Gareth wrote the article that […]
PC USB oscilloscope
Hobbylab has a pretty nice looking PC USB Oscilloscope for $170 – PC USB Oscilloscope is a great tool for your microcontroller projects! Simply connect the device to the computer USB port, run the Windows application and you can analyze the UART, SPI, I2C and 1-Wire interface signals. In the same box you get Oscilloscope, […]