From 3a73dd159a1e3c3a475a2b326da5468e53a69f2c Mon Sep 17 00:00:00 2001 From: jacqueline Date: Thu, 12 Dec 2024 14:07:47 +1100 Subject: [PATCH] clean up old notes --- tangara-mainboard/notes-from-r1.txt | 18 ------------------ 1 file changed, 18 deletions(-) delete mode 100644 tangara-mainboard/notes-from-r1.txt diff --git a/tangara-mainboard/notes-from-r1.txt b/tangara-mainboard/notes-from-r1.txt deleted file mode 100644 index e5118e6..0000000 --- a/tangara-mainboard/notes-from-r1.txt +++ /dev/null @@ -1,18 +0,0 @@ - - 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 - - ESP32 only support to set GPIO0/GPIO1/GPIO3 as mclk signal - - add real pullups to everything i reckon