SainSmart
SainSmart Leonardo R3 + 1602 LCD Keypad Shield + Prototype Shield V3 Kit
This SainSmart kit features the Leonardo R3 microcontroller board, powered by the ATmega32u4 at 16 MHz. It offers 20 digital I/O pins, including 7 PWM outputs and 12 analog inputs, operating at 5V. The kit enhances functionality with a 16x2 LCD Keypad Shield for direct interaction and a Prototype Shield V3 for easy circuit building. Supporting USB power or external adapters, this discontinued kit provides essential components for rapid prototyping and interactive embedded projects.
$35.99
Owner Satisfaction
4.4
/ 5
Category Rank
931
/ 1543
#931 in Development Boards
Price vs Category Average
-59%
Below average
Microcontroller
32416
/ ATmegau running at MHz
Who it's for
- Excellent Starter Bundle
- Native USB HID Capabilities
- Simplified Shield Integration
Who should skip it
- Variable Component Quality
- Upload and Debugging Nuances
- High Pin Utilization
Key Specs
Microcontroller
ATmega32u4 running at 16 MHz
Operating Voltage
5V
Flash Memory
32 KB (4 KB used by bootloader)
SRAM
2.5 KB
Digital I/O Pins
20 (7 PWM capable)
Analog Input Channels
12
Recommended Input Voltage
7-12V
LCD Display
16x2 characters with blue backlight
Features
- Integrated 16x2 LCD keypad for user interaction
- Includes prototype shield for easy breadboarding
- Leonardo board supports native USB functionality
- Adjustable LCD backlighting for visibility
- Compatible with standard Arduino libraries
- Complete hardware solution for immediate projects
- Versatile power options: USB, adapter, or battery
What customers say
The kit earns high marks primarily for its exceptional value and functional ease of use. Consumers find this bundle an efficient, affordable entry point into electronics prototyping, especially given the inclusion of the 1602 LCD Keypad Shield and the Prototype Shield V3. This combination simplifies initial project setup significantly. While the Leonardo R3 clone is generally reliable, the consensus confirms this kit delivers substantial utility and convenience for hobbyists seeking a cost effective solution.
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$36