In order for the 0,0,0 position to be in the bottom left hand corner of the bed you need to enter a Y min offset so that after it homes to the limit switch it moves to the corner of the bed before starting a print. 'x' refers to the number that your printer currently uses.ģ3. You can further calibrate the esteps per mm later if need be. You will need to change the esteps per mm value from 'x' to 409 Make sure thermal runaway protection is enabled.ģ2. Never exceed 285☌ when using the thermistor with Hemeraģ1. Marlin has a -15° restriction on the maximum temperature able to be set on the LCD, so in order to hot tighten at 285☌ you will need to set the max temperature to 300☌ The minimum and maximum temperate settings. Scroll down a bit further and you will find. If you skip this step the temperature will not be read correctly.ģ0. This means you are changing the temperature sensor type to a 100K thermistor - ATC Semitec 104GT-2 (Used in ParCan & J-Head) (4.7k pullup) This needs to be changed to: #define TEMP_SENSOR_0 5 Scroll down until you find the Thermal settings. The COM port should be the com port the board is connected to.Ģ9. Select Tools - Programmer - AVRISP mkIIĢ7. Select Tools - Processor - ATmega 1284 or AT1284P (16 MHz)Ģ6. If you don't get an error message when verifying the stock ender 3 marlin firmware you can skip this step.Ģ5. zip file into the arduino - library folder. You may find you don't have the u8glib library installed. The file you open is the Marlin.ino fileĢ2. Download the Ender 3 Marlin firmware Source files.Ģ1. Your Ender 3 board should now have a bootloader.įrom now on you should be able to connect the Ender 3 to the computer via the mini USB cable.Ģ0. Tools - Processor - AT mega 1284 or AT mega 1284P (16 MHz) You should now see Sanguino under Tools - Boards. Type "San" into the search box and you should see Sanguino by Kristian Sloth Lauszus into the Additional Boards Manager Urls box.ġ6. You will need to install a custom board called a Sanguino board in order for the IDE to send the bootloader and firmware to the board. The colours of the wires do not matter they are just here to highlight the importance of matching the pins.ġ4. Use the male to female jumper for the LIGHT BLUE pins.ġ3. Use the female to female jumpers for the RED, BLUE, GREEN, YELLOW, and PURPLE pins.ġ2. Match the orientation of the two ISP pins, ie make sure you are referencing ISCP/ISP mark on the boards to make sure you are connecting in the right order.ġ1. Please note the light blue pin (bottom left when looking at the diagram) connects to the number 10 pin on the Arduino.ġ0. Connect the Arduino Uno to the Ender 3 main board using the jumper wires. Press upload to set the Arduino up as a programmer.ĩ. Select Tools - Port - then select the COM port the arduino uno is connected to (the COM number may be a different for you)Ĩ. Select file - Examples - Arduino ISP - Arduino ISPĦ. Insert the printer cable end into the Arduino and the USB end into the computer.Ĥ. The first thing that needs to be done is to upload a bootloader to allow you to connect to the Ender 3 via USB connection.ģ. As you may or may not be aware the stock Ender 3 mainboard doesn't include a boot loader.Ī bootloader allows you to connect your printer to the computer and upload new firmware.
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