I purchased the Prototyping Pi Plate directly from adafruit, and the Raspberry Pi from Amazon. The IR Transmitters, Right Angle Mounts, Transistor, Resistor and IR Receiver from Mouser. The 22 AWG solid wire and soldering supplies from Fry’s.

Parts List:

• 1 x Adafruit Industries ADA801
• 1 x Raspberry Pi Model B 756-8308 Motherboard
• 2 x Everlight IR333C
• 2 x Avago HLMP-5029
• 1 x ON Semiconductor P2N2222AG
• 1 x Ohmite OD103JE
• 1 x Vishay Semiconductor TSOP38238 IR Receiver
• 1 x 22 AWG Solid Core Wire

I’ve ordered all the parts to build a DIY universal remote - opensourceuniversalremote.com, following these directions from Alex Bain.