X-Git-Url: https://git.gag.com/?a=blobdiff_plain;f=Notebook;h=8a74177b28383d9f6f9b915e9bb8de440ba704e5;hb=refs%2Fheads%2Ftooexpensive;hp=3efc7abc001a361d6ddadfe7287a996732f5443c;hpb=6b32609c8065f80cc0b94e2b22cb289351c6e914;p=hw%2Fteleterra diff --git a/Notebook b/Notebook index 3efc7ab..8a74177 100644 --- a/Notebook +++ b/Notebook @@ -16,4 +16,26 @@ - for prototypes, existing footprint will work with careful placement of the part and/or hand soldering after reflow +2010.10.31 +- loaded and reflowed two boards + + - some silkscreen work is in order .. U1/U2 refdes could be better + positioned .. spots on IC's marking pin 1 should be outside chip + + - tqfp footprint for tiny48 seems "largeish" .. not fatally, but + leaves me questioning a bit + + - kapton paste mask worked, but was harder to use than stainless + +2010.11.22 +- notes from initial turn on before I forget + + - the footprint for the AVR ICSP connector is mirror-imaged! + + - it's easy to crowbar the 3.3V rail by over-driving the audio amp. + can we run it from unregulated lipo instead? Would be nice to do + that, then crank up the gain. + +2011.03.14 +- if we move off speaker to an earphone jack, perhaps DK CP-3523SJCT-ND ?