My-extreme-modded-Craftbot-3D-printer

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My-extreme-modded-Craftbot-3D-printer

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Upgrade your old Craftbot Plus 3D-printer to a modern RepRap 3D-printer!!

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# My extreme modded Craftbot 3D-printer
After some hardware issues I want to upgrade my nice Craftbot Plus 3D-printer, this old printer is alive again and makes nice prints!  Time for sharing..

![image](https://raw.githubusercontent.com/askmurphy/My-extreme-modded-Craftbot-3D-printer/main/img/modded-craftbot.jpg)

My modifications: SKR1.4 Turbo, TFT3.5 v3.0, Reprap firmware v3.3.x, improved hotend, hotend-fan & heated bed, 3 new steppermotors,  2x NEMA17 Vibration Damper Shock Absorbers, filament sensor, RGB ledstrip, RPi4, Camera, etc..
 
| Just a few photo's | Click to enlarge..|
|------------|-------------|
| ![BTT TFT3.5 v3.0](https://raw.githubusercontent.com/askmurphy/My-extreme-modded-Craftbot-3D-printer/main/img/modded-craftbot-BBT-tft35.jpg) | ![SKR1.4 turbo backplate](https://raw.githubusercontent.com/askmurphy/My-extreme-modded-Craftbot-3D-printer/main/img/modded-craftbot-wired.jpg) |
| ![RPi & XL4015 converter Backplate](https://raw.githubusercontent.com/askmurphy/My-extreme-modded-Craftbot-3D-printer/main/img/modded-craftbot-rpi-wired.jpg) | ![Devine NCD chassis psrt crystal adapter D-size](https://raw.githubusercontent.com/askmurphy/My-extreme-modded-Craftbot-3D-printer/main/img/cat6-chassis.png) |
| ![SKR v1.4 Turbo pinout](https://raw.githubusercontent.com/askmurphy/My-extreme-modded-Craftbot-3D-printer/main/img/SKR-V1.4-Turbo-pinout.jpg) | ![Panel mount USB B to USB B cable](https://raw.githubusercontent.com/askmurphy/My-extreme-modded-Craftbot-3D-printer/main/img/usb-panel-mount.jpg) |
| ![BTT smart filament sensor](https://raw.githubusercontent.com/askmurphy/My-extreme-modded-Craftbot-3D-printer/main/img/BTT_filament_Sensor.jpg) | ![Raspberry Pi Camera](https://raw.githubusercontent.com/askmurphy/My-extreme-modded-Craftbot-3D-printer/main/img/rpi-cam.jpg) |

# Let's MODDING your Craftbot!
* First off all, get the pinout of your new 3D-printer mainboard, I used the SKR1.4 Turbo
* Remove the old Craftbot electronics: mainboard and TFT and case fan, we don't need it..
* Get the backplates for the new electronics, you can find it here: https://www.thingiverse.com/thing:4499006
* Nice TFT3.5 case: https://www.thingiverse.com/thing:4839597

* Get some hardware, see list below

# RepRap software setup
* Please follow all the instruction on the firmware-website below.
* To make the Craftbot and SKR1.4turbo setup more easy for you, you can find a full copy of my Reprap-configuration [here](code/REPRAP_SKR1.4_turbo.zip)

# Marlin software setup (optional)
* For starters, you can use my inital Marlin-setup first, to test your Craftbot with the SKR1.4 Turbo (without RPI3). You can find the complete Marlin setup code [here](code/21-7-2020_CB2_SKR14_Marlin-2.0.x.zip) (this will not be updated, totally switched to RepRap now..)

WIFI setup
* https://github.com/luc-github/ESP3D
* https://github.com/luc-github/ESP3D-WEBUI

# Original Craftbot hardware
* Meanwell SP-320-24V PSU
* Extruder stepper: 17HS3001-20B
* X,Y, Z steppers: 17HS3001-26B (optional replacement: SL42S247A: 1.8deg.step DC2.5A)

# Used modification hardware

* [Bigtreetech SKR1.4 Turbo with 4x TMC2209 stepperdrivers](https://nl.aliexpress.com/item/4000478858144.html)

* [Raspberry Pi4](https://www.raspberrypi.com/products)

* [RepRapFirmare Raspberry Pi to SKR 1.X Adapter for easy connect (one of Peter’s great creations!)](https://www.tindie.com/products/pcr/reprapfirmware-raspberry-pi-to-skr-1314progtr/)

* [Bigtreetech TFT3.5 v3.0](https://nl.aliexpress.com/item/4000068088326.html) (optional)

* [Bigtreetech Filament sensor](https://www.aliexpress.com/item/4000269547406.html) (optional)

* [DFRobot Gravity MOSFET Power Controller](https://www.robotshop.com/en/gravity-mosfet-power-controller.html)

* [Craftbot Improved heated bed](https://eu.craftbot.com/products/craftbot-plus-pro-glass-build-plate) (optional)

* [Craftbot all-metal hotend](https://eu.craftbot.com/collections/spare-parts/products/craftbot-plus-pro-all-metal-hotend
) (optional)

* BigTreeTech BTT Writer v1.0 (optional, Marlin only, WIFI adapter * programmer)
* 35cm neopixel 12volt (60 leds/meter) RGB-ledstrip (we will replace the original white ledstrip)

* [stepdown XL6009e converter for ledstrip](https://nl.aliexpress.com/item/32340934616.html)

* [DC-DC Adjustable Step-down Buck Converter XL4015 5A - with Current Limiter]

* [Panel mount USB B to USB B cable](https://www.kiwi-electronics.nl/nl/panel-mount-usb-b-naar-usb-b-kabel-1629) (mount the adapter to the orginal Crafbot case USB-hole and connect the cable to the USB-port of the SKR1.4 Turbo)

* [Devine NCD chassisdeel crystal adapter D-size](https://www.bax-shop.nl/ethernet-chassisdeel/devine-ncd-chassisdeel-crystal-adapter-d-size) (make 3 holes in the Crafbot backplate, use a short UTP-cable to connect this adapter to the RPi)

* [2x NEMA17 Vibration Damper Shock Absorber for X and Y-steppers](https://www.aliexpress.com/item/33036894200.html) (optional)

* RPi camera (optional)

* flatkabel 10wires (display: 5 wires, ledstrip: 3 wires)
60cm flatkabel 2wires (for Y-end switch)
* 2x 240cm wire (for fans)
* 24v fan (to replace original 12v heaterfan)
* 24v fan (to replace original 12v Case fan)
* 2x 24v fan (to replace original 12v objectfans)
* 1x 12v 60x60x25mm EE60251S1-1000U-999 Sunon fan (optional, to replace old 2410ML-04W-B20 BRUSHLESS FAN 12V Fan inside the original installed PSU)

# Wiring

* Connect the 'RepRapFirmare Raspberry Pi to SKR Adapter' to the RPI3, connect the adapter to SKR:EXP2 using a 10-wire-flatcable and 2x (2x5pins) connectors
* Connect the input of the stepdown XL4015 converter to the 24V PSU, tune the output of the converter to 5Volt
* Connect the 5V/GND of the 'RepRapFirmare Raspberry Pi to SKR Adapter' to the output of the stepdown XL4015 converter
* Connect the X-stepper (Craftbot back right stepper) to SKR:XM
* Connect the Y-stepper (Craftbot back left stepper) to SKR:YM
* Connect the Z-stepper (Craftbot back middle stepper) to SKR:ZMA
* Connect the E-stepper (Craftbot extruder stepper) to SKR:E0M
* Connect the X-stop (Craftbot extruder switch) to SKR:X-STOP
* Connect the Y-stop (Inside Craftbot front right switch) to SKR:Y-STOP
* Connect the Z-stop (Inside Craftbot back left switch) to 
SKR:Z-STOP
* Connect the hotend-heater to SKR:E0
* Connect the hotend-thermistor to SKR:TH0
* Connect the bed-heater to SKR:HB
* Connect the bed-thermister to SKR:TB
* Connect the 24V PSU to SKR:POWER
* Connect DFRobot Gravity MOSFET controller1 VIN/GND to SKR:FAN1
* Connect DFRobot Gravity MOSFET controller1 VOUT/GND to the extruder FAN
* Connect DFRobot Gravity MOSFET controller1 D to SKR:PWRDET
* Connect the Object coolerfan to SKR:FAN0
* Connect the TFT3.5 v3.0 to SKR:TFT using a 5-wire cable.
* Connect the 2 datalines of the LED-strip to SKR:Neopixel
* Connect the input of the stepdown XL6009e converter to the 24V PSU, tune the output of the converter to 12Volt
* Connect the 12V/GND of the LED-strip to the output of the stepdown XL6009e converter
* Connect the (optional) BTT filamentsensor to SKR:I2C, G=GND, V=+5V, S=0.0
* Connect the 24V Case fan to SKR:FAN2

=> Allways check every connection twice, make sure you use the correct polarity!!

# Used firmware

* [RepRap firmware, created by a few great people!!](https://github.com/gloomyandy/RepRapFirmware) 
- https://teamgloomy.github.io/lpc_sbc.html
- after installation, downgrade the RepRap firmware to v3.3.x with:

wget https://raw.githubusercontent.com/TeamGloomy/LPC-STM32-DSF-Install_Script/master/RRF_LPC_3_3_0.sh
sudo chmod 755 RRF_LPC_3_3_0.sh
./RRF_LPC_3_3_0.sh

# Rpi-Camera setup
- enable the Camera with raspi-config first
- follow these nice instructions (works perfect on a RPi4): https://github.com/cncjs/cncjs/wiki/Setup-Guide:-Raspberry-Pi-%7C-MJPEG-Streamer-Install-&-Setup-&-FFMpeg-Recording,
 after this setup, last thing to do is: sudo chown pi:pi /home/pi/mjpg-streamer.sh
- Just to have a backup of it, I added the above Camera [instructions](code/mjpg-streamer.txt) and [autorun-file](code/mjpg-streamer.sh) to this page too.

- After reboot, enter http://local-ip-address:8080/?action=stream in Reprap-panel->Settings->General->Webcam

# PID tuning
You can find some info about it here: https://3dprintbeginner.com/hotend-and-heatbed-pid-tuning

M303 E0 S245 C8 (extruder)

M303 E-1 S90 C8 (bed)

# Tips
- get some free time and have patient ;-)
- A Raspberry Pi3 model B can be used also (tested), but the Pi4 gives you a quicker printer-interface!

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