Working on switches, level shifters

gay-ipod.kicad_prl

@@ -1,7 +1,7 @@
 {
   "board": {
     "active_layer": 0,
-    "active_layer_preset": "",
+    "active_layer_preset": "All Copper Layers",
     "auto_track_width": true,
     "hidden_nets": [],
     "high_contrast_mode": 0,
@@ -62,7 +62,7 @@
       35,
       36
     ],
-    "visible_layers": "00290a0_80000005",
+    "visible_layers": "0001000_ffffffff",
     "zone_display_mode": 0
   },
   "meta": {

notes-from-r1.txt

@@ -0,0 +1,16 @@
+ - double check footprints for small caps
+   - amp 2.2uF (is this in the bom?)
+   - USB IC xtal
+   - battery voltage divider cap
+   - usb IC power (didnt the app notes call for smaller sizes?)
+ - fix amp footprint/package discrepancy
+ - gpio connector needs NPTH
+ - esp32 xtal footprint is too small
+ - usb power mosfet has incorrect pinning
+ - uart rx/tx swapped
+ - add button to EN pin(?)
+ - pull IO0 down during boot to flash
+   - use IO2 for SDA instead, then add a BOOT button?
+ - need p channel mosfets for most switches :(
+ - tie 3v3 reg mode to a gpio
+ - replace analog ldo with filtering caps for high noise

symbols.kicad_sym

@@ -439,7 +439,7 @@
       )
     )
     (symbol "LM4917_1_1"
-      (pin output line (at -17.78 -8.89 0) (length 2.54)
+      (pin input line (at -17.78 -8.89 0) (length 2.54)
         (name "SD_LC" (effects (font (size 1.27 1.27))))
         (number "1" (effects (font (size 1.27 1.27))))
       )
@@ -451,7 +451,7 @@
         (name "R_OUT" (effects (font (size 1.27 1.27))))
         (number "11" (effects (font (size 1.27 1.27))))
       )
-      (pin power_in line (at -17.78 -11.43 0) (length 2.54)
+      (pin input line (at -17.78 -11.43 0) (length 2.54)
         (name "SD_RC" (effects (font (size 1.27 1.27))))
         (number "12" (effects (font (size 1.27 1.27))))
       )
@@ -459,15 +459,15 @@
         (name "CPVDD" (effects (font (size 1.27 1.27))))
         (number "2" (effects (font (size 1.27 1.27))))
       )
-      (pin output line (at 2.54 -16.51 90) (length 2.54)
+      (pin power_in line (at 2.54 -16.51 90) (length 2.54)
         (name "PNG" (effects (font (size 1.27 1.27))))
         (number "4" (effects (font (size 1.27 1.27))))
       )
-      (pin output line (at 11.43 16.51 270) (length 2.54)
+      (pin passive line (at 11.43 16.51 270) (length 2.54)
         (name "CCP-" (effects (font (size 1.27 1.27))))
         (number "5" (effects (font (size 1.27 1.27))))
       )
-      (pin input line (at -6.35 -16.51 90) (length 2.54)
+      (pin power_in line (at -6.35 -16.51 90) (length 2.54)
         (name "VCP_OUT" (effects (font (size 1.27 1.27))))
         (number "6" (effects (font (size 1.27 1.27))))
       )
@@ -479,7 +479,7 @@
         (name "L_OUT" (effects (font (size 1.27 1.27))))
         (number "8" (effects (font (size 1.27 1.27))))
       )
-      (pin input line (at -8.89 16.51 270) (length 2.54)
+      (pin power_in line (at -8.89 16.51 270) (length 2.54)
         (name "AVDD" (effects (font (size 1.27 1.27))))
         (number "9" (effects (font (size 1.27 1.27))))
       )