Interesting that for US delivery, all of these clones ($15-20 with 'free' shipping) are more expensive than the original chip ($8.95 + $3 s/h if you go through digistump.com, $8.95 + $4 s/h if you go through tindie.com, , or if you live near a microcenter, $9.95 + tax). And of course you have the usual China shipping times. Usually clones are supposed to be cheaper than the original.