Activity

From 02/25/2014 to 03/26/2014

04:24 PM A Frustrating Day: I'm finally getting around to building up one of the [[i4hsmc:|iPhone 4 HSMC Bridge]] boards. I got a pair of HSMC co... Andrew Kohlsmith

01:34 PM Selecting Components for Easier Manufacture: I'm a big fan of alternate components and designing in the ability to use alternate components through resistor "stra... Andrew Kohlsmith
11:48 AM iPhone 4 HSMC Interface Bug #473: TPS62203 doesn't go up to 5V: Alternate parts with the same footprint. Minor board changes required, generally shorting out the inductor and either... Andrew Kohlsmith
09:02 PM iPhone 4 HSMC Interface Bug #473 (New): TPS62203 doesn't go up to 5V: U2 was chosen to take the 12V HSMC rail down to 5V to supply AVDDH on the LCD. This won't work, because the TPS62203 ... Andrew Kohlsmith
11:15 AM iPhone 4 HSMC Interface Bug #474 (New): silkscreen for J2/J3 should indicate what is being selected: Right now you have to look at the traces or schematic. The silkscreen should be updated to document the jumper positi... Andrew Kohlsmith

10:24 PM Busy, busy, busy: It's been busy here. I've just sent a set of board files off to "Hackvana":http://www.hackvana.com/ for manufacture. ... Andrew Kohlsmith
10:07 PM iPod Nano 6 Display Breakout Bug #469 (Feedback): RST#, BL lines should have pulldown as appropriate: Applied in changeset nanov6|commit:dd7a3538aadc34740b98c8baf41020457301695f. Andrew Kohlsmith
10:07 PM iPod Nano 6 Display Breakout Bug #471 (Feedback): 3.3VEN signal is active low... make it active high: Applied in changeset nanov6|commit:c32c1ad91d43bd54e9a9f71ce357a46d15634e97. Andrew Kohlsmith

03:16 PM iPod Nano 6 Display Breakout Bug #471 (Feedback): 3.3VEN signal is active low... make it active high: I just noticed that the 3.3VEN signal is active-low. I don't recall why I would have done such a thing. It should be ... Andrew Kohlsmith
03:12 PM iPod Nano 6 Display Breakout Bug #470 (Rejected): determine TBD values for backlight boost converter: R8/R9 values are currently marked TBD. this should change. Andrew Kohlsmith
03:07 PM iPod Nano 6 Display Breakout Bug #469 (Feedback): RST#, BL lines should have pulldown as appropriate: Just from a "nice to have" perspective, RST# and BL are the only two signals that don't have a defined state when not... Andrew Kohlsmith

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