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authormilestogo <milestogo@users.noreply.github.com>2017-02-09 23:23:39 -0800
committermilestogo <milestogo@users.noreply.github.com>2017-02-09 23:23:39 -0800
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dumber sculpt build
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+
+This is a way to take a Microsoft ergonomic bluetooth keyboard, and make it
+into a hard-wired keyboard running QMK.
+
+The keyboard is known under several different names:
+Mobile Bluetooth 5000, Mobile 6000, Sculpt mobile, and Asus rebranded
+
+I had a stack of them,since they're cheap on ebay, travel well, and are just ergo enough.
+
+The ribbon cable is 1mm pitch, which is hard to hand solder. I bought a cheap set of
+"pitch adapter" boards https://www.amazon.com/Double-Sided-0-4mm-1-0-Adapter-60mmx38mm/dp/B00OK42118
+
+Cut the original ribbon cable sockets off the bluetooth board using a razor, they're hard to desolder.
+They're also allow the cable to be inserted on top or bottom.
+
+If I was going to do it again, I'd make the MCU connection come out the top of the keyboard
+and avoid the wires dangling out the bottom.
+
+As I was debugging the matrix, I started to get random failures. In desparation I tried a second MCU,
+but had the same problems. It turns out that the ribbon cable connections can get worn. Shave a
+half millimeter off the end of the ribbon cable & the errors go away.
+
+My method for discovering the matrix was to set up a KEYMAP macro that included all pins.
+See MATRIX_TESTING_KEYMAP if you need it. Then set up a keymap that has all printable symbols
+in the first 4 rows. test each key & record output. Then switch the printable symbols to the
+bottom 4 rows & repeat. This was enough to show the matrix.
+
+
+The full original keymap for the sculpt is
+ A B C D E F G H --->
+0 b n m , . /
+1 g h "
+2 7 8 9 0 Del PgUp
+3 p [ ] \
+4 y u i o
+5 ~ - += j k l ; 5
+6 a s d q w e, Up left
+7 F7 F8 F9 F10 F11 F12 f
+
+-----> I J K L M N O P Q R
+0 Caps FN
+1 Vol+ mute Rctl vol- pgdn LCTL
+2 Rshift LShift
+3 Ralt LAlt
+4 LGUI
+5 6 bakspc 1 2 3 4 F4 F5 F6
+6 Down right spc F1 F2 F3 tab
+7 r t z x c v enter Esc
+
+This works with 18 cols + 8 rows on a Teensy++, or Arm based Teensy.
+
+The Astar mini has all pins exposed , so you can do 18x8
+If you want a speaker, LEDs &etc, you'll need to free up a pin. I recommend joining columns
+R and L to the same pin.
+
+Building - edit rules.mk to set ASTAR=1 or comment it out for teensy2++
+
+