ABX00080 Arduino Uno Rev4 Minima

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Product Description:


The Arduino Uno R4 Minima (ABX00080) is a significant update to the Uno series, featuring a 32-bit ARM microcontroller, the Renesas RA4M1, which marks a departure from the 8-bit microcontrollers used in previous versions. This board operates at 5V and is designed to offer a blend of increased processing power, memory, and enhanced features while maintaining compatibility with existing Uno R3 shields and accessories.


Key technical specifications include:


  • Microcontroller: Renesas RA4M1 (Arm Cortex-M4 with Floating Point Unit)
  • Operating Voltage: 5V
  • Clock Speed: 48 MHz
  • Memory: 256 KB Flash, 32 KB SRAM, and 8 KB EEPROM
  • Digital I/O Pins: 14, with 6 providing PWM output
  • Analog Input Pins: 6, supporting up to 14-bit resolution
  • DAC (Digital-to-Analog Converter): 1, for advanced audio projects
  • Communication Interfaces: UART, I2C, SPI, and CAN (requires an external transceiver)
  • USB: USB-C for programming and HID (Human Interface Device) support, allowing it to emulate a keyboard or mouse
  • Input Voltage (VIN): 6-24V, accommodating a broader range of power supplies
  • The Uno R4 Minima also introduces a built-in Real-Time Clock (RTC) for accurate timekeeping and alarm functions, and a DAC for sophisticated audio projects. It’s the first in the Uno series to feature a USB-C® connector, enhancing its connectivity options.


Learning Resources:


UNO R4 Minima Documentation


Applications and Projects:


Exploring the potential of the Arduino Uno R4 Minima opens up a vast array of creative and practical projects. Here are some innovative ideas to get you started, demonstrating the board’s versatility:


  • Smart Weather Station: Gather real-time weather data like temperature, humidity, and air pressure, displaying the information on an LCD or online for remote access.
  • Home Security System: Create a DIY security setup with motion sensors, door/window sensors, and a camera module, sending instant notifications to your smartphone upon detecting unusual activity.
  • Smart Plant Monitoring System: Develop a system to track environmental conditions affecting plant growth, such as temperature, light levels, and soil moisture, adjusting water and light accordingly.
  • Voice-Activated Home Automation: Implement voice commands to control household appliances, lights, and other devices, making your living space more responsive and convenient.
  • Smart Pet Feeder: Ensure your pets are fed on time with a device that dispenses food according to a preset schedule, which can be controlled remotely via a smartphone app.
  • Interactive LED Art Installation: Combine art and technology by programming LEDs to respond to sound, touch, or motion, creating captivating light displays.
  • Automated Greenhouse: Automate the climate control of a greenhouse, managing watering, humidity, and temperature to optimize plant growth conditions.
  • Smart Mirror with Information Display: Transform a regular mirror into an interactive display that shows time, weather, news, and personal notifications.

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