diff --git a/LICENSE b/LICENSE
index 4ad6d9b1e..6c0e10f3b 100644
--- a/LICENSE
+++ b/LICENSE
@@ -3,7 +3,7 @@
GNU GENERAL PUBLIC LICENSE
Version 3, 29 June 2007
- Copyright (c) 2007 Free Software Foundation, Inc.
+ Copyright (c) 2007 Free Software Foundation, Inc.
Everyone is permitted to copy and distribute verbatim copies
of this license document, but changing it is not allowed.
@@ -673,5 +673,4 @@ into proprietary programs. If your program is a subroutine library, you
may consider it more useful to permit linking proprietary applications with
the library. If this is what you want to do, use the GNU Lesser General
Public License instead of this License. But first, please read
-.
-
+.
diff --git a/Marlin/src/HAL/DUE/HAL.cpp b/Marlin/src/HAL/DUE/HAL.cpp
index f2bf4ebbf..4b9260c35 100644
--- a/Marlin/src/HAL/DUE/HAL.cpp
+++ b/Marlin/src/HAL/DUE/HAL.cpp
@@ -15,6 +15,7 @@
*
* You should have received a copy of the GNU General Public License
* along with this program. If not, see .
+ *
*/
/**
diff --git a/Marlin/src/HAL/ESP32/ota.cpp b/Marlin/src/HAL/ESP32/ota.cpp
index 7cf65ed2d..69a3e25e5 100644
--- a/Marlin/src/HAL/ESP32/ota.cpp
+++ b/Marlin/src/HAL/ESP32/ota.cpp
@@ -15,6 +15,7 @@
*
* You should have received a copy of the GNU General Public License
* along with this program. If not, see .
+ *
*/
#ifdef ARDUINO_ARCH_ESP32
diff --git a/Marlin/src/HAL/STM32/SoftwareSerial.cpp b/Marlin/src/HAL/STM32/SoftwareSerial.cpp
index af92548cb..2228a177b 100644
--- a/Marlin/src/HAL/STM32/SoftwareSerial.cpp
+++ b/Marlin/src/HAL/STM32/SoftwareSerial.cpp
@@ -3,14 +3,14 @@
*
* Multi-instance software serial library for Arduino/Wiring
* -- Interrupt-driven receive and other improvements by ladyada
- * (https://ladyada.net)
+ *
* -- Tuning, circular buffer, derivation from class Print/Stream,
* multi-instance support, porting to 8MHz processors,
* various optimizations, PROGMEM delay tables, inverse logic and
- * direct port writing by Mikal Hart (http://www.arduiniana.org)
- * -- Pin change interrupt macros by Paul Stoffregen (https://www.pjrc.com)
- * -- 20MHz processor support by Garrett Mace (http://www.macetech.com)
- * -- ATmega1280/2560 support by Brett Hagman (https://www.roguerobotics.com/)
+ * direct port writing by Mikal Hart
+ * -- Pin change interrupt macros by Paul Stoffregen
+ * -- 20MHz processor support by Garrett Mace
+ * -- ATmega1280/2560 support by Brett Hagman
* -- STM32 support by Armin van der Togt
*
* This library is free software; you can redistribute it and/or
diff --git a/Marlin/src/HAL/shared/backtrace/unwarmbytab.cpp b/Marlin/src/HAL/shared/backtrace/unwarmbytab.cpp
index f524673ec..bfc062af2 100644
--- a/Marlin/src/HAL/shared/backtrace/unwarmbytab.cpp
+++ b/Marlin/src/HAL/shared/backtrace/unwarmbytab.cpp
@@ -4,7 +4,7 @@
*
* This Source Code Form is subject to the terms of the Mozilla Public
* License, v. 2.0. If a copy of the MPL was not distributed with this
- * file, You can obtain one at https://mozilla.org/MPL/2.0/.
+ * file, You can obtain one at https://www.mozilla.org/en-US/MPL/2.0/
*
* This library was modified, some bugs fixed, stack address validated
* and adapted to be used in Marlin 3D printer firmware as backtracer
diff --git a/Marlin/src/feature/dac/dac_mcp4728.cpp b/Marlin/src/feature/dac/dac_mcp4728.cpp
index 4976b3690..55f10a49e 100644
--- a/Marlin/src/feature/dac/dac_mcp4728.cpp
+++ b/Marlin/src/feature/dac/dac_mcp4728.cpp
@@ -27,7 +27,7 @@
* https://ww1.microchip.com/downloads/en/DeviceDoc/22187a.pdf
*
* For discussion and feedback, please go to:
- * https://arduino.cc/forum/index.php/topic,51842.0.html
+ * https://forum.arduino.cc/index.php/topic,51842.0.html
*/
#include "../../inc/MarlinConfig.h"
diff --git a/Marlin/src/gcode/motion/G5.cpp b/Marlin/src/gcode/motion/G5.cpp
index 35cc42802..2c98fae84 100644
--- a/Marlin/src/gcode/motion/G5.cpp
+++ b/Marlin/src/gcode/motion/G5.cpp
@@ -29,7 +29,7 @@
/**
* Parameters interpreted according to:
- * https://linuxcnc.org/docs/2.6/html/gcode/gcode.html#sec:G5-Cubic-Spline
+ * https://linuxcnc.org/docs/2.7/html/gcode/g-code.html#gcode:g5
* However I, J omission is not supported at this point; all
* parameters can be omitted and default to zero.
*/
diff --git a/buildroot/share/vscode/avrdude.conf b/buildroot/share/vscode/avrdude.conf
index 1194847f7..475f8bf10 100644
--- a/buildroot/share/vscode/avrdude.conf
+++ b/buildroot/share/vscode/avrdude.conf
@@ -145,9 +145,9 @@
# VCC pins are not defined for the programmer, a message
# indicating that the device needs a power-cycle is printed out.
# This flag was added to work around a problem with the
-# at90s4433/2333's; see the at90s4433 errata at:
+# at90s4433/2333's; see the at90s4433 errata page 2 at:
#
-# http://www.atmel.com/atmel/acrobat/doc1280.pdf
+# https://ww1.microchip.com/downloads/en/AppNotes/doc2574.pdf
#
# INSTRUCTION FORMATS
#
@@ -416,13 +416,13 @@ programmer
programmer
id = "usbasp";
- desc = "USBasp, http://www.fischl.de/usbasp/";
+ desc = "USBasp, https://www.fischl.de/usbasp/";
type = usbasp;
;
programmer
id = "usbtiny";
- desc = "USBtiny simple USB programmer, http://www.ladyada.net/make/usbtinyisp/";
+ desc = "USBtiny simple USB programmer, https://learn.adafruit.com/usbtinyisp";
type = usbtiny;
;
@@ -596,7 +596,7 @@ programmer
programmer
id = "bsd";
- desc = "Brian Dean's Programmer, http://www.bsdhome.com/avrdude/";
+ desc = "Brian Dean's Programmer, https://savannah.nongnu.org/projects/avrdude";
type = par;
vcc = 2, 3, 4, 5;
reset = 7;
@@ -743,7 +743,7 @@ programmer
programmer
id = "atisp";
- desc = "AT-ISP V1.1 programming cable for AVR-SDK1 from micro-research.co.th";
+ desc = "AT-ISP V1.1 programming cable for AVR-SDK1 from micro-research.co.th";
type = par;
reset = ~6;
sck = ~8;
@@ -773,7 +773,7 @@ programmer
;
# It is almost same as pony-stk200, except vcc on pin 5 to auto
-# disconnect port (download on http://electropol.free.fr)
+# disconnect port download on http://www.electropol.fr
programmer
id = "frank-stk200";
desc = "Frank STK200";
@@ -787,7 +787,7 @@ programmer
;
# The AT98ISP Cable is a simple parallel dongle for AT89 family.
-# http://www.atmel.com/dyn/products/tools_card.asp?tool_id=2877
+# https://www.microchip.com/wwwAppNotes/AppNotes.aspx?appnote=en592141
programmer
id = "89isp";
desc = "Atmel at89isp cable";
diff --git a/buildroot/share/vscode/avrdude_linux.conf b/buildroot/share/vscode/avrdude_linux.conf
index 46e7ace34..cbc65d691 100644
--- a/buildroot/share/vscode/avrdude_linux.conf
+++ b/buildroot/share/vscode/avrdude_linux.conf
@@ -145,9 +145,9 @@
# VCC pins are not defined for the programmer, a message
# indicating that the device needs a power-cycle is printed out.
# This flag was added to work around a problem with the
-# at90s4433/2333's; see the at90s4433 errata at:
+# at90s4433/2333's; see the at90s4433 errata page 2 at:
#
-# http://www.atmel.com/atmel/acrobat/doc1280.pdf
+# https://ww1.microchip.com/downloads/en/AppNotes/doc2574.pdf
#
# INSTRUCTION FORMATS
#
@@ -416,13 +416,13 @@ programmer
programmer
id = "usbasp";
- desc = "USBasp, http://www.fischl.de/usbasp/";
+ desc = "USBasp, https://www.fischl.de/usbasp/";
type = usbasp;
;
programmer
id = "usbtiny";
- desc = "USBtiny simple USB programmer, http://www.ladyada.net/make/usbtinyisp/";
+ desc = "USBtiny simple USB programmer, https://learn.adafruit.com/usbtinyisp";
type = usbtiny;
;
@@ -596,7 +596,7 @@ programmer
programmer
id = "bsd";
- desc = "Brian Dean's Programmer, http://www.bsdhome.com/avrdude/";
+ desc = "Brian Dean's Programmer, https://savannah.nongnu.org/projects/avrdude";
type = par;
vcc = 2, 3, 4, 5;
reset = 7;
@@ -743,7 +743,7 @@ programmer
programmer
id = "atisp";
- desc = "AT-ISP V1.1 programming cable for AVR-SDK1 from micro-research.co.th";
+ desc = "AT-ISP V1.1 programming cable for AVR-SDK1 from micro-research.co.th";
type = par;
reset = ~6;
sck = ~8;
@@ -773,7 +773,7 @@ programmer
;
# It is almost same as pony-stk200, except vcc on pin 5 to auto
-# disconnect port (download on http://electropol.free.fr)
+# disconnect port download on http://www.electropol.fr
programmer
id = "frank-stk200";
desc = "Frank STK200";
@@ -787,7 +787,7 @@ programmer
;
# The AT98ISP Cable is a simple parallel dongle for AT89 family.
-# http://www.atmel.com/dyn/products/tools_card.asp?tool_id=2877
+# https://www.microchip.com/wwwAppNotes/AppNotes.aspx?appnote=en592141
programmer
id = "89isp";
desc = "Atmel at89isp cable";
diff --git a/buildroot/share/vscode/avrdude_macOS.conf b/buildroot/share/vscode/avrdude_macOS.conf
index d93356745..814e87e35 100644
--- a/buildroot/share/vscode/avrdude_macOS.conf
+++ b/buildroot/share/vscode/avrdude_macOS.conf
@@ -145,9 +145,9 @@
# VCC pins are not defined for the programmer, a message
# indicating that the device needs a power-cycle is printed out.
# This flag was added to work around a problem with the
-# at90s4433/2333's; see the at90s4433 errata at:
+# at90s4433/2333's; see the at90s4433 errata page 2 at:
#
-# http://www.atmel.com/atmel/acrobat/doc1280.pdf
+# https://ww1.microchip.com/downloads/en/AppNotes/doc2574.pdf
#
# INSTRUCTION FORMATS
#
@@ -416,13 +416,13 @@ programmer
programmer
id = "usbasp";
- desc = "USBasp, http://www.fischl.de/usbasp/";
+ desc = "USBasp, https://www.fischl.de/usbasp/";
type = usbasp;
;
programmer
id = "usbtiny";
- desc = "USBtiny simple USB programmer, http://www.ladyada.net/make/usbtinyisp/";
+ desc = "USBtiny simple USB programmer, https://learn.adafruit.com/usbtinyisp";
type = usbtiny;
;
diff --git a/platformio.ini b/platformio.ini
index 543b837f5..f60ebcce3 100644
--- a/platformio.ini
+++ b/platformio.ini
@@ -4,7 +4,7 @@
#
# For detailed documentation with EXAMPLES:
#
-# https://docs.platformio.org/en/latest/projectconf.html
+# https://docs.platformio.org/en/latest/projectconf/index.html
#
# Automatic targets - enable auto-uploading