Anycubic Chiron Firmware Update

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Do you have a AnyCubic Chiron and want a stable firmware with the latest features? Maybe you’re adding our EZABL kit to the machine. This is the download for you.

Directions are below. NOTE: This firmware ONLY works when using our Chiron LCD Upgrade kit. The stock LCD is not supported due to limitations with it’s closed source firmware.

You can purchase it from our website here: AnyCubic Chiron LCD Upgrade Kit – TH3D Studio LLC. We also recommend you download the Unified 2 STL pack as well.

This contains EZABL mounts, Gantry leveling Blocks, Solid bed mounts, and Bed Level test files.

Breakout Board Pinouts

Click here to go to the Unified 2 STL Pack download page. 1 –Printer Board Firmware Update.

NOTE: These printers update over the USB cable from your PC to the printer. Make sure to have a USB cable ready. 1.a – Download the firmware. 1.b – Extract the files to a folder on your computer.

Jumpering from Connectors to Board

1.c – Open the folder labeled “Firmware” in VSCode. 1.d – Open the Configuration.h file that is located under the “Marlin” folder on the left side of the VSCode screen.

8/8/21 Update:

1.e – In the Configuration.h file, uncomment (remove the 2 / in front of #define) the CHIRON line and any other options you are going to use in the firmware.

1.f – Click the ✓ at the bottom of VSCode to compile the firmware. The firmware will compile.

This may take 1-5 minutes depending on the speed of your computer and internet connection. 1.g – If the build succeeds plug in your printer to your computer with the USB cable.

1.h – Now click the arrow (right pointing) to upload to the printer board.

Make sure ALL slicers or other programs that connect to your printer board are CLOSED before trying to upload to your printer.

Please note that on machines with multiple COM ports you may have to select the COM port manually.

Upgrade Plan

Please see our VSCode COM port selection article to see how to do that. 1.i – The firmware will upload to the printer board over USB. DO NOT UNPLUG THE PRINTER OR RESET YOUR COMPUTER.Interrupting the flashing can “brick” your board and if this happens you will need to reflash the bootloader with a programmer (like an Arduino UNO) before you can flash again.

1.j – When the printer boots you will see the TH3D logo on your LCD. Make sure to reset your EEPROM on your printer after flashing any firmware.

You can do this from your printer LCD or by sending a M502 followed by M500 with your favorite Gcode sender application. THIS FIRMWARE AND ALL OTHER FILES IN THE DOWNLOAD ARE PROVIDED FREE OF CHARGE WITH NO WARRANTY OR GUARANTEE FROM TH3D STUDIO LLC.

SUPPORT IS NOT INCLUDED JUST BECAUSE YOU DOWNLOADED THE FIRMWARE.

TH3D STUDIO LLC IS NOT LIABLE FOR ANY DAMAGE TO YOUR PRINTER, PERSON, OR ANY OTHER PROPERTY DUE TO USE OF THIS FIRMWARE.

IF YOU DO NOT AGREE TO THESE TERMS THEN DO NOT USE THE FIRMWARE.

ETA?

We do not maintain a full change log for this firmware. However, you can track all changes and modifications to our firmware code on the GitHub repo for Unified 2 Firmware.

We have the firmware 99% of the way completed and are working on the documentation and videos for the LCD changeover. We have a placeholder “product” in the shop already setup that you can add to your wishlist to be notified when we are ready to put out the LCD kits.

You can see that here: AnyCubic Chiron LCD Upgrade Kit – TH3D Studio LLC.

The Chiron is a unique machine set up in that they used a board they already had and made an adapter PCB to route wires for endstops and the touch LCD.

Like many Touch LCD models, this one also runs limited firmware and there are no sources available for it.

Firmware & Upgrade Support

We’ve reverse-engineered the pinout for the adapter PCB they use in the machine and have mapped those out. Our plans are to release a guide on bypassing the adapter PCB with some simple, off-the-shelf male to female Dupont jumpers, an LCD conversion kit, and firmware for the machine when it’s using the conversion kit.

We are also going to have EZABL support as well for this machine. Our plan is to make firmware in our Unified 2 for this machine for its stock board. We may add support for the stock LCD but the stock LCD will not allow us to get features like Babystepping (Live Z Adjust) on it.

Converting the printer LCD (like other models who use these locked-down touch screens) to a 12864 will restore access to core firmware features. Once we have firmware done we will make a video showing how to connect from the board to the plugs to bypass the breakout board.

You can see our test machine picture below showing the jumpers.

There are 2 main headers we need to bypass.

One feeds another breakout board in the control box and then goes to the hotend.

5. Premium Fans

The other is for the bed thermistor. The SD slot in the bottom of the printer will no longer be used as the new LCD we’re going to use has its own SD slot.

We will also be designing an EZABL mount and doing an installation video for this machine as we’ll need to connect up the EZABL to a spare endstop pin on the board.

This printer has dual Z endstops so we want to preserve that feature and use the EZABL to perform gantry leveling on it. This may add time for additional testing and development but we think it will be worth the wait.

Since this machine will be using Unified 2, we have to complete our current in-progress code update to bring Unified 2 up from Marlin 2.0.7.2 codebase to a newer release (2.0.9 as of writing this).

Once that is done (hopefully in a week), we can start adding new machines to Unified 2.

We’d expect (pending no delays) that we should have the video guide out, LCD conversion kit done, and firmware done in about 3-4 weeks at most.

6. Magnetic Print Surface

Make sure to follow our social media pages or join our email list to be notified when we add support for the Chiron. Here are our internal pics with notes on where the pins go.

This PCB plugs into the EXP2 header of the stock board and some other headers near the EXP2 header. Now that we have the pinouts reverse engineered, we can install Dupont jumper wires to bypass the PCB to free up the EXP1 and EXP2 headers on the stock board to allow us to connect a 12864 LCD to it.

Here is how we did it on our machine.

This page is NOT meant to be a guide, but more of a “here is where we are at on this printer” update.

1st Option: 400x400mm Magnetic Build Surface Heated Bed

2nd Option: Eryone Magnetic Flexible 3D Printing Build Surface

Anycubic Chiron Accessories Upgrades:

Tool Kit: The Filament Friday 3D Print Tool Kit from Amazon is one of the entire 3D printer tool kits I recommend.

It’s a 32-piece basics package that includes a variety of equipment for cleaning, finishing, and the printing process. You’ll discover a lot of components that aren’t included in the standard kits.

Auto Leveling Sensor: The sensor informs your 3D printer of the exact location of the print bed concerning the overall height of the print bed.

The BLTouch auto-leveling sensor is a good product. Although it is a very expensive item, the benefits, troubles it will address, and frustrations it will save are well worth the cost.

Insulation Thermal Pad: It’s worthwhile to invest in your 3D printer to reduce waste. Some printers struggle to reach temperatures of 85°C on the bed, leaving you dissatisfied and believing you’re stuck with the problem.

An insulating mat is an answer to this problem. The HAWKUNG Foam Insulation Mat is the one I would suggest.

PSU Covering: Your power supply is one of these safety management challenges. If your printer doesn’t already have one, installing for your PSU to prevent electric shocks and keep your PSU secure is a smart idea.

You may easily create a PSU cover for your power supply by printing it out.

Conclusion

There are hundreds of 3D printer modifications circulating, many of which are beneficial and most of which are printable.

These changes are adequate to improve your 3D printer’s general speed, performance, control, and lifespan.

It will surely outperform, endure longer, and be substantially more durable as a consequence of these enhancements.

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