qi-hardware/ben-blinkenlights
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ben-blinkenlights/ubb
History
Werner Almesberger daa6331650 ubb/cam/Makefile: use mkmk-simple
2011-02-15 04:20:51 -03:00
..
cam ubb/cam/Makefile: use mkmk-simple 2011-02-15 04:20:51 -03:00
Makefile ubb: cleaned up board for "production readiness" 2011-02-07 07:05:40 -03:00
README ubb: universal breakout board in 8:10 card format 2011-02-02 20:27:27 -03:00
ubb.brd ubb: cleaned up board for "production readiness" 2011-02-07 07:05:40 -03:00
ubb.cmp ubb: universal breakout board in 8:10 card format 2011-02-02 20:27:27 -03:00
ubb.pro ubb: universal breakout board in 8:10 card format 2011-02-02 20:27:27 -03:00
ubb.sch ubb: universal breakout board in 8:10 card format 2011-02-02 20:27:27 -03:00

README 

Universal Breakout Board (8:10 card)
====================================

The Universal Breakout Board (UBB) is designed for soldering to a
50 mil (1.27 mm) ribbon cable. A 5 mm landing zone is provided next
to the solder pads for gluing the cable to the PCB.

Furthermore, an 1.5 mm wide overshoot space for coating is left
between the solder pads and the temporarily inserted zone.

The board thickness should be 1/32" (0.8 mm). The board can be
single-sided or double-sided. In the latter case, a via connects
the back side to ground.