X-Git-Url: https://git.gag.com/?a=blobdiff_plain;f=Notebook;h=808d57b366a5da8069c232501732a5a5fed825cc;hb=25a59e415769ce08e571ab66cc48b876262ff481;hp=3efc7abc001a361d6ddadfe7287a996732f5443c;hpb=6b32609c8065f80cc0b94e2b22cb289351c6e914;p=hw%2Fteleterra diff --git a/Notebook b/Notebook index 3efc7ab..808d57b 100644 --- a/Notebook +++ b/Notebook @@ -16,4 +16,32 @@ - 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 ? + +2011.05.05 +- be nice if the cheaper version could fit in Mouser 546-1591XXATBU, which is + the translucent blue Hammond 1591XXATBU + +- the new 2x16 displays Keith plans to test might all best be installed using + double sided foam tape, like DK 3M4008-ND, which is 1/8" thick and 1" wide.