github link: https://github.com/bigtreetech/BIGTREETECH-SKR-V1.3/tree/master/BTT%20SKR%20V1.4

M503 is your best friend when thinking about user accessible variables from your firmware. M503 reports on all these variables with human readable descriptions of what they are.

Printer needs to have the power cut for say 10s, once turned back on and restarted you need to initiate the eeprom either via the LCD menu or by sending the following commands via a terminal M502 followed by M500

Marlin 2.0.x Firmware firmware.zip

M204: Set default acceleration

Marlin notes: Since version 1.0.2-1 the M204 options are:

P[accel] Set Acceleration for Printing moves. (i.e., Any XYZ motion plus E.)
R[accel] Set Acceleration for Retract moves. (i.e., E-axis only moves.)
T[accel] Set Acceleration for Travel moves. (i.e., without E movement)
Example
Set the acceleration for printing movements to 800mm/s^2, for travels to 3000mm/s^2 and for retracts to 9000mm/s^2.
M204 P800 T3000 R9000

Leveling
G29 L15 R300 F15 B250 V4

thermal runaway extruder

#define WATCH_TEMP_PERIOD  40               // Seconds. \\
#define WATCH_TEMP_INCREASE 5               // Degrees Celsius \\