add notes on button signal

2021-03-06 15:38:38 -08:00
parent fa41d76d3e
commit 3a03d0d8da
1 changed files with 2 additions and 0 deletions
--- a/a8_lcd.sch
+++ b/a8_lcd.sch
@@ -454,4 +454,6 @@ NoConn ~ 3800 3350
 NoConn ~ 3800 3450
 NoConn ~ 3800 3550
 NoConn ~ 3800 3650
+Text Notes 5150 4350 0    50   ~ 0
+BTNS is an analog signal, corresponding\nto a button press as follows:\n\nnone: 5.00V\nup: 3.40V\nleft: 0.45V\nmenu: 1.59V\nright: 2.50V\ndown: 0.88V
 $EndSCHEMATC