This site list small computer and radio parts for the experimenter hobbyist.
Soon I will be adding a line of Arduino devices, both the CPUs and a variety of accessories, the parts are in I'm just waiting for the time to put them in.
Lots of Parts are being currently added, stay tuned.
Postal Holidays, days I cannot ship orders.
At http://www.svn.k5nwa.com/tpp you will find data and application notes on the current parts and parts I'm considering adding to this website. Right click on the file of interest and select save.