Arduino UNO R4 Minima
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Expected to be in stock within 5-7 business days. We'll ship immediately once available.
Arduino UNO R4 Minima Presenting the remarkable Arduino UNO R4 Minima, an extraordinary addition to the esteemed UNO board series. This pioneering release showcases an array of impressive attributes, commencing with its utilization of a 32-bit microcontroller. Empowered by the renowned RA4M1 series microcontroller from Renesas (R7FA4M1AB3CFM#AA0), housing a formidable 48 MHz Arm Cortex-M4 microprocessor. The UNO R4 Minima presents an expanded capacity for memory, including an impressive 256 kB flash, 32 kB SRAM, and 8 kB of data memory (EEPROM). Operating at 5 V, this board ensures seamless compatibility with UNO form factor accessories tailored for the same voltage. While earlier UNO shields remain functional, it is important to note that software compatibility may vary due to the microcontroller transition. Indulge in the unparalleled performance and enriched functionalities of the UNO R4 Minima, and embark on an extraordinary journey of innovation today. Features: 32-bit development board, previously based on 8-bit AVR Standard 14 digital I/O ports, 6 analog channels, and dedicated pins for I²C, SPI, and UART connections Larger memory: 8 times more flash memory (256 kB) and 16 times more SRAM (32 kB) Easy power management: Barrel jack connector supports input voltages from 6-24 V, eliminating the need for additional circuitry Cross-compatibility: UNO form factor makes it compatible with existing third-party shields and accessories Best deals on Original Arduino UNO R4 WiFi – Shop now! Also check out the wide range of Original Arduino Boards.
- 32-bit Arm Cortex-M4 processor at 48 MHz
- 256 kB flash, 32 kB SRAM, 8 kB EEPROM
- 5V logic level with 6–24V input support
- Compatible with Arduino IDE 2.x
- Standard UNO form factor and pinout
- 14 digital I/O, 6 analog inputs, I²C, SPI, UART
- 32-bit performance upgrade over 8-bit AVR UNO boards
- Larger memory for complex applications and libraries
- Seamless shield compatibility with UNO form factor
- Robust power input options for varied environments
- Ideal for makers, students, and OEM prototyping
| Memory | 256 kB Flash Memory32 kB SRAM8 kB Data Memory (EEPROM) |
|---|---|
| Pins | 14x digital pins (GPIO), D0-D136x analog input pins (ADC), A0-A56x PWM pins: D3,D5,D6,D9,D10,D11 |
| Peripherals | Capacitive Touch Sensing Unit (CTSU)USB 2.0 Full-Speed Module (USBFS)up to 14-bit ADCup to 12-bit DACOperational Amplifier (OPAMP) |
| Power | Recommended input voltage (VIN) is 6-24 V5 V operating voltageBarrel jack connected to VIN pinPower via USB-C® at 5 VSchottky diodes for overvoltage and reverse polarity protection |
| Communication | 1x UART (pin D0, D1)1x SPI (pin D10-D13, ICSP header)1x I²C (pin A4, A5, SDA, SCL)1x CAN (pin D4, D5, external transceiver is required) |
| Shipment Weight | 0.03 kg |
| Shipment Dimensions | 10 × 8 × 4 cm |
Is the Arduino UNO R4 Minima compatible with existing UNO shields?
Yes, it maintains the same 5V logic and UNO form factor, ensuring hardware compatibility with most shields.
What microcontroller is used in the Arduino UNO R4 Minima?
It uses the Renesas RA4M1 (R7FA4M1AB3CFM#AA0), a 48 MHz 32-bit Arm Cortex-M4 processor.
Can I program the UNO R4 Minima using Arduino IDE?
Yes, it is fully supported in Arduino IDE 2.x with updated board definitions for R4 models.
What is the operating voltage and input range of the board?
It operates at 5V and accepts 6–24V input via the barrel jack or VIN pin.
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About Arduino UNO R4 Minima by Arduino
Shop Arduino UNO R4 Minima with 256kB flash & 32kB SRAM. Compatible with Arduino IDE & shields. Buy now in India.
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