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featherchorder [2016/02/18 01:28]
featherchorder [2016/02/21 21:09]
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 ====== FeatherChorder ====== ====== FeatherChorder ======
-BLE (Bluetooth Low Energy) Chorder using the [[https://​learn.adafruit.com/​adafruit-feather-32u4-bluefruit-le/​overview|Adafruit Feather 32u4 Bluefruit LE]]+As of late January 2016 I have been using an Adafruit Feather as the board powering the chorder I wear.  There are some issues with it when reconnecting to an Android device to which it has already been paired. ​ More often than I like, I find myself having to "​forget"​ the Feather on the phone and re-pair rather than simply reconnect. Other than that minor inconvenience it has been working beautifully. 
 +So here is the FeatherChorder,​ a BLE (Bluetooth Low Energy) Chorder using the [[https://​learn.adafruit.com/​adafruit-feather-32u4-bluefruit-le/​overview|Adafruit Feather 32u4 Bluefruit LE]] 
 {{featherchorder.png|}} {{featherchorder.png|}}
-This board has the LiPo charger and BLE transceiver built in, so all that is required is attaching ​the keys, an on/off switch, ​plugging ​in the battery and programming ​it (over a standard micro usb cable).+The advantage of using this board is that it has both the LiPo charger and the BLE transceiver built in, reducing the board count for the chorder from three to one. All that is required is to attach ​the keys and on/off switch, ​plug in the batteryand then program ​it over a standard micro usb cable. 
 ===== Code ===== ===== Code =====
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 <box 60% red round | **Download the Latest BLE Build**> <box 60% red round | **Download the Latest BLE Build**>
 {{https://​github.com/​clc/​chorder|https://​github.com/​clc/​chorder}} {{https://​github.com/​clc/​chorder|https://​github.com/​clc/​chorder}}
-</​box|Thanks to Charles Chen for this version! >+</​box|Thanks to Charles Chen for his work on this version! > 
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   - an adafruit feather 32u4 bluefruit   - an adafruit feather 32u4 bluefruit
-  - 7 keyswitches,​ I suggest Cherry Red MX switches+  - 7 keyswitches,​ I suggest Cherry Red MX switches((I still put in lighter springs, but the reds are the best switch with which to start.))
   - a small SPDT switch   - a small SPDT switch
-  - a LiPo battery with 2-pin JST-PH connector+  - a LiPo battery with 2-pin JST-PH connector, I like 350mA, 500mA is probably overkill. 
 +  - something to hold your keys, see other sections of this site for case  ideas. ​ It will work with the [[:​3d_printer_files]]. 
 +===== The Chords ===== 
 +Once you grab a copy of the code you can find all the chords in the ChordMappings.h file.  Change them as you see fit.  They are the same as the chords I use on the spiffchorder with one set of changes - I have added a bunch of android specific chords. ​ Media events, Volume control and the like.  I will add a chart here in the not too distant future. ​ In the mean time, the ChordMappings.h file has them.
featherchorder.txt · Last modified: 2016/04/27 15:32 by priestdo
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