SainSmart MEGA ADK R3
Best versatile controller for advanced mobile integration projects.
This board is the ultimate bridge for connecting physical hardware directly to your smartphone. By integrating USB host functionality, it turns Android devices into powerful controllers for your projects. You trade the simplicity of standard microcontrollers for a slightly steeper learning curve, but the ability to build custom mobile-interfaced peripherals is unmatched.
$44.09
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Who it's for
- Developers building hardware interfaces for Android smartphones and tablets
- Makers designing large-scale robotics or complex automation systems
- Value-conscious hobbyists seeking advanced features without the premium price tag
Who should skip it
- Beginners who prefer a plug-and-play experience without troubleshooting software
- Perfectionists who prioritize high-end aesthetic finish and rigorous quality control
- General users looking for a standard microcontroller for simple tasks
Performance breakdown
Android Integration
The dedicated USB host functionality makes mobile device connectivity seamless and reliable.
I/O Versatility
With 54 digital and 16 analog pins, it handles complex, sensor-heavy projects.
Hardware Compatibility
Standard Mega R3 layout ensures easy integration with existing shields and components.
Processing Power
The 16MHz clock speed is sufficient for standard automation, but lacks modern speed.
Memory Capacity
256KB of flash memory provides ample room for substantial, multi-featured codebases.
Build Quality
Robust construction feels durable enough for repeated prototyping and long-term project deployment.
Key Specs
Microcontroller
ATmega2560
Operating Voltage
5V
Recommended Input Voltage
5-23V
Digital I/O Pins
54 (14 PWM capable)
Analog Input Pins
16
Flash Memory
256 KB
SRAM
8 KB
EEPROM
4 KB
Clock Speed
16 MHz
Connectivity
USB Host
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