On the other hand if you already have the Arduino, fetch the avr.isp.03 firmware and AVRdude. Then program a device, for example an ATtiny13 using the Ardunio as the programmer.

Here’s a way to program an Arduino wirelessly while still using the stock IDE. It uses an alternative bootloader called SuperDuplex along with an IR receiver like the ones used for TV remotes… ...

To start, you need to buy an Arduino. It comes pre-assembled or, for those handy with a soldering iron, in kit form. A fully assembled Diecimila board from the excellent Make costs just $35. The ...