Group buy/build of the Dangerous Prototypes USB Infrared Toy. http://dangerousprototypes.com/docs/USB_Infrared_Toy

Buy here: http://www.seeedstudio.com/depot/usb-infrared-toy-p-607.html?cPath=174

Basically a devices for sending and reading arbitrary IR signals over USB. Great for old school hacking. Sign up in the discussion if you want in.

BOM

• Part\tValue
• C1-C4\t0.1uF capacitor (0805)
• C5,C6\t27pF capacitor (0805)
• D1\tSmall signal diode (DO323)
• IC1\tPIC 18F2550-i/so (SOIC28W)
• ICSP\t0.1″ pin header (1×05)
• J1\tUSB MINI-B jack (SMD)
• Q1\t20MHz crystal (SMD/HC49UP)
• R1\t10,000 ohm resistor (0805)
• R2\t2700 ohm resistor (0805)
• R3\t390 ohm resistor (0805)
• R4\t180 ohm resistor (0805)
• R5\t1000 ohm resistor (0805)
• T1\tNPN transistor, hfe 30+, 200mA+ (0805)
• I\tindicator LED (0805)
• RX\t5volt 38kHz IR receiver (eg: TSOP38238)
• TX\t~940nm, 20mA IR LED (5mm)
• S1\tsmall tactile switch (optional)

PCB http://www.goldphoenixpcb.biz/special_price.php