Leonardo R3 Board Micro-USB compatible with Arduino
- •Product Name: Leonardo R3 Board Micro-USB compatible with Arduino
- •Product Category: Microcontrollers
- •Operating Voltage: 5V
- •Speed / Frequency: 16 MHz
- •Operating Temperature: -20°C to +65°C
- •Mounting Type: Through Hole / Screw Terminal / Modular
- •[Arduino Boards] The Leonardo R3 Board Micro-USB compatible with Arduino is a micro-controller board base on the ATmega32u4
- •It has 20 digital input/output pins (of which 7 can be used as PWM outputs and 12 as analog inputs)
Description
The Leonardo R3 Board Micro-USB compatible with Arduino is a high-grade, precision-tested electronic component designed for reliable performance in prototyping, education, industrial control, and custom hardware engineering.
🔹 Key Features
- •[Arduino Boards] The Leonardo R3 Board Micro-USB compatible with Arduino is a micro-controller board base on the ATmega32u4
- •It has 20 digital input/output pins (of which 7 can be used as PWM outputs and 12 as analog inputs)
- •a 16 MHz crystal oscillator, a micro USB connection, a power jack, an ICSP header, and a reset button
- •It contains everything need to support the microcontroller
- •simply connect it to a computer with a USB cable or power it with an AC-to-DC adapter or battery to get started
- •The Leonardo R3 Board differs from all preceding boards in that the ATmega32u4 has built-in USB communication
🔹 Technical Specifications
🔹 Pin Configuration & Wiring
Pin 13 (SCK)
Connected directly to onboard yellow LED and SPI hardware clock bus.
pinMode(LED_BUILTIN, OUTPUT);
digitalWrite(LED_BUILTIN, HIGH);🔹 Applications
This component is engineered and suitable for:
- •Microcontroller interfacing (Arduino, ESP32, Raspberry Pi, STM32)
- •IoT telemetry, environmental monitoring, and smart home systems
- •Robotics navigation, obstacle detection, and motion sensing
- •STEM education, university electronics labs, and maker prototyping
🔹 Package Includes
- ✓1 × Leonardo R3 Board Micro-USB compatible with Arduino
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[ESP Modules] Ultra Compact • Wi-Fi & BLE 5.0 • USB Type-C • Perfect for IoT & Embedded Projects The ESP32-C3 Super Mini Development Board is a compact, feature-rich development board built around the powerful ESP32-C3 SoC from Espressif. Powered by a 32-bit RISC-V single-core processor running at up to 160MHz, it combines 2.4GHz Wi-Fi, Bluetooth 5.0 Low Energy (BLE), and low-power operation in an ultra-small form factor. Designed for IoT, smart home, wireless communication, automation, and embedded system development, the ESP32-C3 Super Mini offers 4MB Flash memory, 400KB SRAM, multiple GPIOs, ADC, PWM, UART, SPI, and I2C interfaces for connecting sensors, displays, relays, and other peripherals. The onboard USB Type-C interface simplifies programming and power supply, while the built-in USB-to-Serial functionality enables quick firmware uploading without requiring additional programmers. Fully compatible with Arduino IDE, ESP-IDF, PlatformIO, and MicroPython, it is suitable for beginners, students, makers, and professional developers. Its ultra-compact breadboard-friendly design makes it ideal for portable and space-constrained projects where performance, wireless connectivity, and energy efficiency are essential. Note: Programming, software configuration, driver installation, firmware flashing, and coding-related issues are not covered under return or replacement. Users are expected to troubleshoot software-related issues independently. ⭐ Features Powerful ESP32-C3 32-bit RISC-V processor CPU frequency up to 160MHz Built-in 2.4GHz Wi-Fi (802.11 b/g/n) Integrated Bluetooth 5.0 Low Energy (BLE) Ultra-compact Super Mini design Breadboard-friendly layout USB Type-C interface for programming and power 4MB onboard Flash memory 400KB SRAM Multiple GPIO, ADC, PWM, UART, SPI & I2C interfaces Low power consumption with Deep Sleep mode Onboard programmable LED Compatible with Arduino IDE, ESP-IDF, PlatformIO & MicroPython Ideal for IoT, automation, robotics, and wireless applications 📋 Technical Specifications Product Type: Development Board Board Model: ESP32-C3 Super Mini Microcontroller: ESP32-C3 Processor Architecture: 32-bit RISC-V CPU Frequency: Up to 160MHz Core: Single Core Flash Memory: 4MB SRAM: 400KB Wi-Fi Standard: IEEE 802.11 b/g/n (2.4GHz) Bluetooth: Bluetooth 5.0 Low Energy (BLE) Operating Voltage: 3.3V Input Voltage: 5V via USB Type-C or 3.3V External USB Interface: USB Type-C GPIO: Multiple Digital GPIO Pins Analog Input: Up to 6 ADC Channels PWM: Supported UART: Supported SPI: Supported I2C: Supported USB-to-Serial: Onboard Onboard LED: User Programmable (GPIO8) Power Consumption: Ultra Low (Deep Sleep ≈ 43µA) Dimensions: Approx. 22.5 × 18 mm Headers: Pre-Soldered 🔧 Applications Suitable for: Internet of Things (IoT) Smart Home Automation Wireless Sensor Networks Home Automation Systems Bluetooth Low Energy Devices Wi-Fi Enabled Controllers Robotics Projects Data Logging Systems Remote Monitoring Industrial Automation Portable Embedded Devices Educational Learning DIY Electronics Projects Wearable Electronics Rapid Prototyping 📦 Package Includes 1 × ESP32-C3 Super Mini Development Board Pin Headers ⚠️ Note Programming, firmware installation, software configuration, and driver-related issues are not covered under warranty, return, or replacement. Please verify board compatibility and install the appropriate development environment before programming. Soldered and non-soldered header pin depend on stock