PID AUTOTUNE Ender 3 S1 and Ender 3 series

How to PID Autotune 1. Plugin USB cable, and install driver from SDcard 2. Connect printer with Pronterface 3. To PID autotune hotend, type M303 E0 C8 S205 U1 M303 -- autotune E0 -- Hotend C8 -- 8x S205 -- Temperature U1 -- set the result in memory 4. Wait the PID Autotune process until finish... It takes about 3 minutes 5. Type M503 to check Eeprom... 6. M500 to save the result to eeprom PID stands for Proportional, Integral, and Derivative. It controls how your printer handles temperature adjustments to your hotend and heated bed. Having these parameters calibrated will ensure you have more consistent temperatures at your hotend and heated bed which can help improve print quality. Marlin no longer controls heat by simply turning the heater on and off to make adjustments. It now uses a variable power approach which allows for fine adjustments and smarter, more accurate output. In this article, you will learn how to calibrate these settings to allow your machine to run its best.