Type "Spe"¶

Overview¶

Mainboards And Respective Printer Models¶

The following table gives an overview about the printer models where the specific mainboards have been used.
If there's an Insights page I created about the specific model, I linked to it.

Hardware¶

The following table gives an overview about the imho most important-to-know hardware specs.

• All mainboards run on 24V DC and have the stepper drivers soldered right onto the PCB.
• None of the mainboards has a fuse that could be changed in case of damage due to high voltage.
• PWM is being achieved by switching GND

Firmware¶

The following table gives an overview about the firmware the boards are running as well as alternative firmware compatibility.

Spe A V1.0.0¶

The "Trigorilla Spe A V1.0.0" is a 32bit 24V mainboard with an ARM Cortex-A7 which runs at 1.2GHz and offers 8GB of internal storage capacity.

The mainboard comes with four TMC2209 silent stepper drivers (at least that's what Anycubic states - I didn't take off the heatsinks to check if these really are genuine TMC2209 chips) which are soldered onto the board (they can't be swapped out!).

It offers three USB-A connectors labeled at the PCB as "U-EXT1", "U-EXT2" and "U-FRIMWARE" (yes, typo included ;) ).

It also offers a built in Realtek WiFi chip (RTL8723DU) with an external antenna which is glued to the left front side of the black plastic aperture from the inside of the housing (the position is about where the label "Kobra 2 Pro" is located).

At the following picture I added labels of the connectors.

The pinout of the 7 pin connector of the acceleration sensor is printed onto the PCB itself (same with some other pinouts of connectors in that row), but I'll list it here again, just in case you can't read it on your mainboard and when zooming in the picture shown above.
So when you're looking at the connector in the direction of the picture above, the pinout (from left to right) is:
| 5V | GND | CS | SCK | MISO | MOSI | GND |

Spe B V1.0.x¶

The "Trigorilla Spe B V1.0.x" is a 32bit 24V mainboard with a Huada HC32F460 chip.
Two revisions of this mainboard have been spotted in a Kobra 2 Pro, the "Spe_B_v1.0.4" and the "Spe_B_v1.0.5", whereas it's not clear where the differences are.

The following picture shows the "Trigorilla Spe_B_v1.0.5".

The mainboard comes with four TMC2209 silent stepper drivers (at least that's what Anycubic states - I didn't take off the heatsinks to check if these really are genuine TMC2209 chips) which are soldered onto the board (they can't be swapped out!).
It offers three USB-A connectors and WiFi.

Spe B V1.1.3¶

The "Trigorilla Spe B V1.1.3" is a 32bit 24V mainboard with a Huada HC32F460 chip.

The mainboard comes with four TMC2209 silent stepper drivers (at least that's what Anycubic states - I didn't take off the heatsinks to check if these really are genuine TMC2209 chips) which are soldered onto the board (they can't be swapped out!).
It offers three USB-A connectors and WiFi.