SainSmart
SainSmart Leonardo R3 ATMEGA32U4 + IIC LCD 1602 Screen Kit
This SainSmart Leonardo R3 kit is designed for both Arduino enthusiasts and beginners, offering an easy plug-and-play experience. The core is the ATmega32u4 microcontroller, running at 16 MHz, featuring 20 digital I/O pins, 7 of which support PWM, and 12 analog inputs. The kit uniquely includes a SainSmart IIC LCD 1602 module, which utilizes only two wires for display communication, conserving valuable pin resources for other sensors. Powering is flexible via micro USB, an adapter, or battery, making it versatile for various projects. This discontinued bundle provides essential components to start building interactive electronic projects immediately.
$35.99
Owner Satisfaction
4.3
/ 5
Category Rank
1184
/ 1543
#1184 in Development Boards
Price vs Category Average
-59%
Below average
Microcontroller
324
/ ATmegau
Who it's for
- Native USB Functionality
- Simplified Display Wiring
- Out-of-the-Box Project Readiness
Who should skip it
- Tricky Bootloader Management
- Variable Component Quality
- Unique Pin Mapping Learning Curve
Key Specs
Microcontroller
ATmega32u4
Operating Voltage
5V
Recommended Input Voltage
7-12V
Flash Memory
32 KB (4 KB used by bootloader)
SRAM
2.5 KB
Clock Speed
16 MHz
LCD Module Interface
I2C Address 0x3F or 0x27
LCD Module Dimensions
82x35x18 mm
Features
- Easy to power via USB, AC adapter, or battery
- Features 12 analog input channels for sensor integration
- Supports 7 PWM outputs for motor or LED control
- Micro USB connection for simple programming and power
What customers say
This SainSmart kit earns high marks primarily for its exceptional value and remarkable ease of use. Consumers consistently highlight how the integrated IIC module simplifies setup, drastically reducing complex wiring time and accelerating project initiation. This convenience, paired with the affordability of the bundle, makes it a highly accessible and reliable entry point for hobbyists and educators exploring microcontroller development.
Still have a question?
Ask Hayley anything about this product before you decide.
Ready to buy?
$36