SainSmart Rev. 1.3 Atmega1284p Reprap Electronics Board
Best compact controller for custom RepRap 3D printer builds.
This board is the perfect backbone for custom 3D printer builds that demand a compact footprint without sacrificing control. While it requires a bit of technical know-how to configure, the robust microcontroller and extensive expansion options offer a level of flexibility that pre-built machines simply can't match.
$38.99
Who it's for
- Makers needing extra memory for complex firmware features
- Builders wanting a simplified, all-in-one wiring setup
- Budget-conscious hobbyists starting their first RepRap project
Who should skip it
- Users requiring high-speed processing for advanced printing features
- DIYers who prefer modular, easily replaceable stepper drivers
- Owners of printers with high-current heated beds
Performance breakdown
Microcontroller Capability
Atmega1284p offers reliable processing for standard RepRap firmware and logic tasks.
Expansion Flexibility
Fourteen GPIO pins provide ample room for custom sensor and accessory integration.
Motor Management
Handles up to five motors, sufficient for most standard FDM printer configurations.
Form Factor Efficiency
Compact 100mm x 50mm footprint fits easily into tight, custom printer enclosures.
Firmware Compatibility
Strictly tied to Sanguinololu, limiting options for modern, advanced firmware updates.
Connectivity Versatility
Standard I2C, SPI, and UART protocols ensure broad compatibility with peripheral modules.
Key Specs
Microcontroller
Atmega1284p
Input Power
12V
Motor Control Capacity
Max. 5 motors
Supported Communication
I2C, SPI, UART
Expansion Pins
14 usable as GPIO
Dimensions
100mm x 50mm
Compatible Printer Technology
FDM
Material Type
FR-4
Board Function Type
Main Logic Board
Compatible Printer Platform
Open Source RepRap
Know before you buy
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