SLIDERS (get at least 8, 16 perfered) Mouser: (made by alps) 688-RS6011YA6009 RS6011YA6009 EWA-Q12C15B14 10K A Linear 71 75 15 9 60 Single Std 3.30 2.65 2.20 2.00 1.76 Digikey: (made by panasonic) 10K Std. 60 S B PQ1060SB-ND 3.31 2.65 2.20 1.99 EWA-Q12C15B14 MECH. ENCODERS (get at least 2, 4 perfered) Digikey: (made by CTS part: 288T232R161A1) Digikey Part: CT3001-ND Multiplexor (get atleast 2) Mouser Part #: 511-4051 Mfr. Part #: HCF4051BEY Digi-Key Part Number 497-1361-5-ND IC sockets (same # as above... but the lab might have these): Mouser Part #: 571-3902614 Mfr. Part #: 390261-4 Digi-Key Part Number 390261-4-ND Buttons (at least 8): Mouser Part #: 10PA322 Mfr. Part #: 10PA322 Three (different) of the cheapest optical mice you can get goto http://www.pricewatch.com/ Ethernet for the ATMEGA16 get here http://www.edtp.com/ 1x Easy Ethernet AVR 1x EDTP Packet Whacker