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Working on switches, level shifters

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This commit is contained in:
jacqueline 2022-09-30 08:04:38 +10:00
parent e76ffe29dc
commit 629e4c278f
8 changed files with 3921 additions and 86312 deletions
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1700
audio.kicad_sch
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fp-info-cache
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4
gay-ipod.kicad_prl
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@ -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": {

1520
gay-ipod.kicad_sch
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16
notes-from-r1.txt Normal file
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@ -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

587
power.kicad_sch
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storage.kicad_sch
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12
symbols.kicad_sym
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@ -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))))
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@ -451,7 +451,7 @@
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(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)
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@ -459,15 +459,15 @@
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(pin output line (at 11.43 16.51 270) (length 2.54)
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@ -479,7 +479,7 @@
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