Headphone amp
-------------
220uF 25V radial leads qty 2 ($1)
0.1uF polypropylene digikey# E1104-ND qty 2 ($0.68)
OPA2132 $5? or lesser quality @ low voltage OPA2134 $2.63 
stereo jacks 1/8? 1/4? qty 2
rotary switch at least 4 pos.


uC stuff
==========
max232 clone  DIP: 296-1402-5-ND  SOIC: 296-14620-1-ND
attiny13's
atmega48
attiny26's
atmega32's
AT89C2051
small crystals 



proto stuff
================
good wire stripper

h-bridge stuff
================
irfz44n qty 50
TC4424/TC4427/MAX4427 

