Description
🔹 Key Highlights
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32-bit ARM Cortex-M4 microcontroller
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Higher speed and more memory than UNO R3
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5V operating voltage (UNO shield compatible)
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Built-in DAC (Digital-to-Analog Converter)
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CAN Bus support for automotive & industrial projects
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On-board 12×8 LED matrix (UNO R4 WiFi)
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Same UNO form factor – easy upgrade from UNO
🔹 Technical Specifications
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Microcontroller: Renesas RA4M1 (ARM Cortex-M4)
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Clock Speed: 48 MHz
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Operating Voltage: 5V
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Input Voltage: 6–24V
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Digital I/O Pins: 14
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PWM Pins: 6
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Analog Input Pins: 6 (12-bit ADC)
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DAC: 1 × 12-bit
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Flash Memory: 256 KB
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SRAM: 32 KB
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Communication: UART, SPI, I2C, CAN
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USB Type-C
🔹 Applications
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Advanced robotics
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IoT & smart home systems
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Industrial automation
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Automotive CAN projects
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Data acquisition & control systems
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Educational & research labs
🔹 Package Includes
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1 × Arduino UNO R4 Board
(USB Type-C cable not included unless specified)





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