Self-Serviced upgrade for Voxel3D's Semi-Smart, with code powered by 3DMonkey
23h 41m
4× print file
0.15 mm
0.40 mm
424.00 g
31
90
3
741
updated April 29, 2026

Description

PDF

Semi-Smart Advanced is a minimally invasive upgrade, which can be done on ALL Semi-Smart boards available to date. It just replaces the smaller OLED for a new, larger one, and the classic arduino nano with the stronger Arduino Nano R4. This not only brings about 8 times the storage and 16 times the power for firmware, but also allows for more complex calculations and communication, and a very exciting menu-based navigation structure!.

Advanced vs. Classic, in list-form

Advanced brings several big improvements to Semi-Smart

  • The new SSH1107 OLED display offers

    • 56% larger display size allows for the visualisation of much more data

    • twice as much pixels gives more details in text and menus

  • The new Arduino R4 offers;

    • 16 times the memory compared to the classic Nano

    • 4 times as high clock speed 

    • 8 times as much storage in the eeprom and Flash memory

  • This allows the firmware to include;

    • A whole new menu-based structure

    • Automatic PID tuning of the heater

    • New heating state visualisation

    • Saving of Filament heating presets

    • LED strip control directly thru the display

    • A whole on-screen settings menu to adjust heating parameters

    • vastly more complex safety system

    • More intuitive navigation with press & hold navigation

    • Full sensor readouts

    • Fine-Tuning of the Fans and cycle periods

    • Languages selection

Ofcourse the setup still retains;

  • Controlled filament chamber heating with targeted humidity and temperature levels (switchable via buttons on COREBOXX, gcode or printer display)

  • Gcode controlled RGB led lighting

  • 3 spare Prusa GPIO/ hackerboard pins

  • MMU easy-disconnect port

  • Easy to connect, no soldering required

  • Safe heating and temperature monitoring with double fuse system

 What do you need to do?

As said, the upgrade is minimally invasive, just;

3D print;
- A new version of the Heater and HMI

Purchase;
- Arduino Nano R4
- SSH1107 display
- KSD9700 16A 70C

The digital building manual can be found here

Online, an interactive UI can be found here

The installers for Semi-Smart Advanced firmware can be found here

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Model origin

The author marked this model as their own original creation.

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