SainSmart
SainSmart Leonardo R3 + LCD 1602 Keypad
This SainSmart Leonardo R3 Kit is designed for Arduino enthusiasts and beginners, bundling the powerful Leonardo R3 board with a 1602 LCD Keypad Shield V3. The core board utilizes the ATmega32u4 microcontroller, featuring 20 digital I/O pins, 7 PWM outputs, and 12 analog inputs, clocked at 16 MHz. It supports power via USB, an adapter, or battery, making it versatile for various projects. The included shield adds essential user interface capabilities with a blue-backlit 16x2 character display and a five-button keypad, simplifying project monitoring and interaction. This integrated solution provides a solid foundation for learning and prototyping.
$26.99
Owner Satisfaction
4.4
/ 5
Category Rank
1008
/ 1545
#1008 in Development Boards
Price vs Category Average
-69%
Below average
Microcontroller
324
/ ATmegau
Who it's for
- Native USB HID Functionality
- Instant Project Integration
- Excellent Starter Value
Who should skip it
- Significant Pin Consumption
- Less Common Microcontroller
- Potential Quality Variance
Key Specs
Microcontroller
ATmega32u4
Operating Voltage
5V
Flash Memory
32 KB
SRAM
2.5 KB
Clock Speed
16 MHz
Digital I/O Pins
20
PWM Channels
7
Analog Input Channels
12
Features
- Integrated microcontroller and display kit
- Easy programming with Arduino IDE
- Onboard LCD and keypad for interaction
- Versatile power options for flexibility
- Native USB functionality for direct connection
- Expandable with compatible Arduino boards
- Adjustable backlight for display visibility
- Ideal for beginners and prototyping
What customers say
Customers consistently praise this SainSmart kit for its exceptional value, noting that the bundled Leonardo R3 and LCD keypad shield provide a cost effective entry point into electronics projects. The primary appeal is the plug and play nature of the components, making initial setup remarkably easy for new users. While some reviewers mention minor inconsistencies in component quality compared to official boards, the overall consensus highlights the reliability and straightforward integration, making it a highly recommended choice for educational purposes and rapid prototyping.
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$27