Quick answer

Arduino UNO R4 Minima is a development board from Arduino, listed under General-purpose boards. It uses the RA4M1 on a RA4M1 core. It carries 256KB flash, 32KB RAM, 20 GPIO. Official framework support: Arduino. Listed price range CNY 100-200, a budget reference - the vendor page sets the real price. Upgraded version of the classic UNO with an RA4M1 processor, ideal for education and starter projects.

Vendor
Arduino
Architecture
RA4M1
MCU
RA4M1
Clock
48MHz
Flash
256KB
RAM
32KB
GPIO
20
Current draw
40mA-100mA
Price range
CNY 100-200
Focus
General-purpose boards

Common questions

What is the Arduino UNO R4 Minima development board?

Arduino UNO R4 Minima is a development board from Arduino, listed under General-purpose boards. It uses the RA4M1 on a RA4M1 core. It carries 256KB flash, 32KB RAM, 20 GPIO. Official framework support: Arduino. Listed price range CNY 100-200, a budget reference - the vendor page sets the real price. Upgraded version of the classic UNO with an RA4M1 processor, ideal for education and starter projects.

What MCU and instruction architecture does Arduino UNO R4 Minima use?

RA4M1 on a RA4M1 core.

How much flash and RAM does Arduino UNO R4 Minima have?

It carries 256KB flash, 32KB RAM, 20 GPIO.

What kind of projects is Arduino UNO R4 Minima meant for?

ZouIC lists it under General-purpose boards, with official framework support for Arduino.

What does Arduino UNO R4 Minima cost?

ZouIC lists a reference price range of CNY 100-200. Treat it as a budget hint; the actual channel price comes from Arduino.

How much power does Arduino UNO R4 Minima draw?

The listed figure is 40mA-100mA.

Arduino
RA4M1Arduino¥100-200

Arduino UNO R4 Minima

Upgraded version of the classic UNO with an RA4M1 processor, ideal for education and starter projects

Quick specs

From vendor docs
48MHzSpeed
20GPIO
256KBFlash
32KBRAM
Chip modelRA4M1
Power40mA-100mA

Peripherals

USB-C
I2C
SPI
UART
CAN

Frameworks

Arduino

Technical Specifications

Processor info

Chip ArchitectureRA4M1
VendorArduino
Chip modelRA4M1
Clock speed48MHz

Storage and memory

Flash256KB
RAM32KB
GPIO count20pcs
Power40mA-100mA

Official links and data notes

Specifications are compiled from public vendor materials for selection reference only. Licenses for hardware design files and documentation are determined by the vendor or project owner; ZouIC does not grant them.

Last verified 2026-10-28

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