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| author | Matthias P. Braendli <matthias.braendli@mpb.li> | 2020-12-18 11:50:43 +0100 |
|---|---|---|
| committer | Matthias P. Braendli <matthias.braendli@mpb.li> | 2020-12-18 11:50:43 +0100 |
| commit | e1ea7ade49ad3f8d7a8667245f96db4773246f4f (patch) | |
| tree | 77c52ec3a1c9e0df8bcf47e892fd5bcd4f06f730 /kicad | |
| parent | 18bcf61935b1d27d83ce03a490789365da799592 (diff) | |
| download | picardy-e1ea7ade49ad3f8d7a8667245f96db4773246f4f.tar.gz picardy-e1ea7ade49ad3f8d7a8667245f96db4773246f4f.tar.bz2 picardy-e1ea7ade49ad3f8d7a8667245f96db4773246f4f.zip | |
Simplify buttons input
Diffstat (limited to 'kicad')
| -rw-r--r-- | kicad/control.sch | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/kicad/control.sch b/kicad/control.sch index e4c2a32..e6f453a 100644 --- a/kicad/control.sch +++ b/kicad/control.sch @@ -80,7 +80,7 @@ Wire Wire Line Text HLabel 6500 7100 2 50 Output ~ 0 CW_TONE Text Notes 650 2600 0 50 ~ 0 -LCD: use a 5V character display, and Adafruit 292 backpack with 3V3 I2C.\nButtons 0 and 1: floating when open, connect to GND through resistors\nwhen pressed for multiplexing several buttons.\nButtons 2 and 3: floating when open, connect to GND when pressed\nCoder: connect as in datasheet PEC12R +LCD: use a 5V character display, and Adafruit 292 backpack with 3V3 I2C.\n\nButtons: floating when open, connect to GND when pressed\n(Buttons 0 and 1 were previously floating when open, connect to GND\nthrough resistors when pressed for multiplexing several buttons, but that\nmakes it impossible to use interrupts, and I didn't need more than 4\nbuttons in the end.)\n\nCoder: connect as in datasheet PEC12R $Comp L mpb:CUI-SJ-3524-SMT-TR J202 U 1 1 5EF19C71 |