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Arduino UNO R4 Minima development board
The Arduino UNO R4 Minima is a compact 32-bit ARM Cortex-M4 development board, ideal for embedded projects, IoT applications, and Arduino-compatible prototyping.
The Arduino UNO R4 Minima Development Board is the latest compact version of the popular Arduino UNO series, designed for high-performance embedded system projects in a minimal form factor. Powered by the Renesas RA4M1 32-bit ARM Cortex-M4 microcontroller, it delivers enhanced speed, memory, and computational power compared to traditional UNO boards.
Key features of the board include:
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Compact, breadboard-friendly design for space-constrained projects.
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14 digital I/O pins (including PWM outputs) and 6 analog inputs.
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Integrated USB interface for programming and power.
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Full compatibility with Arduino IDE, enabling easy programming and access to a wide library ecosystem.
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Support for shields and modules, making it ideal for sensors, motors, displays, and IoT connectivity.
The UNO R4 Minima is perfect for IoT applications, robotics, sensor-based systems, and embedded learning projects, providing the versatility of a full-featured Arduino in a smaller, more efficient package.

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- Support UART / GPIO data communication interface
- Support STA / AP / STA + AP coexistence mode of operation
- Support SmartLink intelligent networking (APP)
- Support wireless upgrade firmware
- Support WPS network configuration
- Built-in onboard antenna &Temperature and humidity sensor
- RGB three-color light adjustable
- Provide rich AT command set configuration
- Free AiCloud cloud service for debugging
- 3 AA batteries / 5V adapter power supply
- Size: 61.6mm x 56.2mm;
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- With the computer and Bluetooth adapter, PDA, seamless connection equipment.
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- Potter default rate of 9600, the user can be set up.
- Bluetooth protocol: Bluetooth Specification v2.0+EDR
- Speed: Asynchronous: 2.1Mbps(Max) / 160 kbps, Synchronous: 1Mbps/1Mbps.
- Security: Authentication and encryption.
- Profiles: Bluetooth serial port.
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