Merge branch 'master' of github.com:adereth/dactyl-keyboard
commit
300932f020
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@ -30,9 +30,9 @@
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- The main controller (right half)
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- A Teensy 2.0, I got that one from here: https://www.pjrc.com/store/teensy.html
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- The chip, connectors and cable to give life to the left half
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- TTRS cable and jacks
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- Got my TTRS cable from here: http://www.digikey.de/product-search/de?keywords=839-1257-ND
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- Got my TTRS jacks from here: http://www.digikey.de/product-search/de?keywords=CP-43514-ND
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- TRRS cable and jacks
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- Got my TRRS cable from here: http://www.digikey.de/product-search/de?keywords=839-1257-ND
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- Got my TRRS jacks from here: http://www.digikey.de/product-search/de?keywords=CP-43514-ND
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- MCP23018 16 bit IO Expander
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- Got mine from here: http://www.digikey.de/product-search/de?keywords=MCP23018-E%2FSP-ND
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@ -45,7 +45,7 @@
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| teensy 2.0 | 30 |
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| switches | 60 |
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| usb cable | 10 |
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| IO Expander, TTRS jacks and cable | 30 |
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| IO Expander, TRRS jacks and cable | 30 |
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|-----------------------------------+------|
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| overall cost | 300 |
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#+TBLFM: @9$2=vsum(@2$2..@8$2)
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@ -217,7 +217,7 @@
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in hexadecimal) which makes great sence, since the MCP is left to the Teensy and we read from
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left to right.
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- When debugging this and using the ergodox-firmware, both sides have to be wired completely
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and actually with the TTRS connected, dont expect the keyboard to work before that. The reason being is how
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and actually with the TRRS connected, dont expect the keyboard to work before that. The reason being is how
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the ergodox-firmware stops completely if either the Teensy or the MCP weren't initiated
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properly.
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- In the circuit-diagram the columns on the left side (MCP side) actually go from GPA5 to INTA
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@ -225,7 +225,7 @@
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- The LEDs are handy for debugging, definately go ahead and connect those. When the keyboard
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starts successfully two of the LEDs light up shortly.
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- From the Teensy over to the MCP go exactly 4 connections. The blue, the red and the two green
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ones. This is done using the TTRS jacks and cable.
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ones. This is done using the TRRS jacks and cable.
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- Yes, the connection from B4 to VCC doesnt seem to make any sense, but the B4 port actually
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gets used directly in the ergodox-firmware, so just connect those connections that make no
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sense on first sight and either dont question it or find out why this is necessary by going
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