SainSmart Megatronics Controller Kit
Best starter kit for DIY 3D printing enthusiasts.
This all-in-one electronics suite removes the guesswork from building your first 3D printer by bundling every essential component into a single, cohesive ecosystem. While it lacks the polish of a pre-assembled machine, it offers an unmatched educational foundation for those who prefer to understand exactly how their hardware functions.
$165.63
Who it's for
- DIY builders seeking a complete, all-in-one electronics solution
- Makers wanting standalone control without a dedicated computer connection
- Advanced hobbyists planning future printer upgrades and complex configurations
Who should skip it
- Users prioritizing quiet operation and high-precision motor movement
- Novices intimidated by firmware compilation and technical configuration
- Beginners lacking experience with high-current electrical wiring and safety
Performance breakdown
Beginner Accessibility
Comprehensive documentation and modular components simplify the initial learning curve.
Controller Versatility
The Megatronics board provides robust, open-source flexibility for custom printer builds.
Standalone Operation
Integrated SD card reader enables reliable printing without a tethered PC.
Thermal Stability
The MK2a heatbed offers consistent performance for standard filament materials.
Stepper Precision
A4988 drivers deliver dependable motion control for entry-level FDM projects.
System Expandability
Open-source architecture allows for easy hardware upgrades and firmware modifications.
Key Specs
Controller Board
Megatronics based on Atmega2560 processor, 256 kB memory, running at 16Mhz
LCD Display
20 Character x 4 Line LCD display with integrated SD-Card reader and rotary encoder
Stepper Drivers
Includes 6x SainSmart A4988 drivers, supporting up to 2 A output current per coil
Heatbed Type
SainSmart Heatbed MK2a, 100% compatible with Prusa and Mendel 3D printer variants
Connectivity
PC connection via standard USB cable
Endstops
3x SainSmart Mechanical Endstops with cables included
Filament Diameter
1.75 mm
Compatible Filament Materials
PLA, ABS, PETG, TPU
Software Compatibility
Arduino IDE
Interface Type
USB, SD Card
Know before you buy
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