TeknoCrafters ABX00080 Arduino® UNO R4 Minima
The Arduino UNO R4 Minima is a groundbreaking 32-bit development board designed for makers, educators, and beginners. It features significant enhancements over its predecessors, such as a more powerful Renesas RA4M1 microcontroller, expanded memory, and enhanced connectivity, all within the trusted UNO form factor.
Tri-Tek Electronics, an authorized distributor, ensures factory-direct support, best pricing, and full warranty coverage. Visit our retail location in Mesa, AZ, for personalized assistance.
Features
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Microcontroller: Renesas RA4M1 (48 MHz Arm® Cortex®-M4 with FPU)
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Memory:
- 256 kB Flash
- 32 kB SRAM
- 8 kB EEPROM
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Input Voltage: 6–24 V via barrel jack or VIN; 5 V via USB-C®
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Connectivity:
- USB 2.0 Full-Speed
- 1x UART, 1x SPI, 1x I²C, 1x CAN (requires external transceiver)
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I/O Pins:
- 14x Digital (GPIO), including 6 PWM pins
- 6x Analog inputs
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Power Management:
- Schottky diodes for reverse polarity/overvoltage protection
- USB-C® power supply support
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Peripherals:
- Real-Time Clock (RTC)
- Capacitive Touch Sensing Unit (CTSU)
- 12-bit DAC and 14-bit ADC
- Operational Amplifier (OPAMP)
Benefits for Hobbyists and Educators
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Enhanced Performance: The 48 MHz Cortex-M4 microcontroller allows for faster computations, ideal for demanding applications.
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Backwards Compatibility: Compatible with 5 V shields and accessories from previous UNO versions.
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Expanded Applications: Integrated CAN bus support enables advanced automotive and industrial use cases.
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Ease of Use: Plug-and-play operation via USB-C® simplifies programming and power delivery.
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Flexible Power Options: Wide input voltage range ensures adaptability in various environments.
Example Use Case: Home Automation Project
The Arduino UNO R4 Minima is perfect for building a smart home automation system. Use the enhanced I/O pins for connecting multiple sensors and actuators, while the real-time clock ensures precise scheduling. The USB-C® interface allows for easy setup and debugging.
Specifications Table
| Feature |
Details |
| Microcontroller |
Renesas RA4M1 (48 MHz Cortex-M4) |
| Memory |
256 kB Flash, 32 kB SRAM, 8 kB EEPROM |
| Operating Voltage |
5 V |
| Input Voltage (VIN) |
6–24 V |
| Power Supply Options |
USB-C®, Barrel Jack, VIN |
| Digital I/O Pins |
14 (6 PWM) |
| Analog Inputs |
6 (up to 14-bit ADC) |
| Communication |
UART, SPI, I²C, CAN |
| Dimensions |
Standard UNO form factor |
Installation Tips
- Ensure a stable 5 V supply when using USB-C® for power.
- Double-tap the reset button to enter bootloader mode if the board becomes unresponsive.
- Use the Arduino IDE or Arduino Web Editor for seamless programming.
Download Product User Guide Here (.pdf)
