SainSmart Due Board
Best high-performance microcontroller for advanced hobbyist electronics projects.
This is the go-to upgrade for projects that have outgrown standard 8-bit microcontrollers. You gain serious 32-bit processing power and a massive array of I/O pins, though you will need to be comfortable working exclusively with 3.3V logic levels rather than the more common 5V standard.
$24.99
Who it's for
- Makers needing faster processing for complex computational tasks
- Engineers building projects with high pin counts and audio requirements
- Budget-conscious developers seeking advanced 32-bit performance
Who should skip it
- Beginners avoiding complex voltage level shifting setups
- Hobbyists relying on standard 5V Arduino shield ecosystems
- Novices intimidated by ARM architecture and advanced debugging
Performance breakdown
Processing Power
The 84 MHz ARM Cortex-M3 handles complex calculations with impressive speed.
I/O Versatility
Fifty-four digital pins offer massive headroom for even the most ambitious projects.
Memory Capacity
Ample flash and SRAM storage for running sophisticated, data-heavy applications.
Ecosystem Compatibility
Seamless integration with the Arduino IDE makes development accessible and efficient.
Connectivity Options
Dual USB ports and OTG support provide flexible communication and power paths.
Hardware Integration
Standard shield compatibility simplifies adding sensors and modules to your build.
Key Specs
Microcontroller Processor
STM32
Operating Voltage
3.3V
Clock Speed
84 MHz
Flash Memory Capacity
0.5 MB
SRAM
96 KB
Digital I/O Pins
54
Analog Inputs
12
USB Interface Type
Micro USB
Power Input Types
USB Power, DC Jack
Shield/HAT Compatibility
Arduino Shield Compatible
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