diff options
Diffstat (limited to 'kicad/control.sch')
| -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 |