Arduino UNO R4 Minima
Arduino UNO R4 Minima is backordered and will ship as soon as it is back in stock.
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Arduino UNO R4 Minima
The Arduino UNO R4 Minima is the next generation of the world's most popular microcontroller board. Featuring a powerful 32-bit Renesas RA4M1 processor (Arm Cortex-M4) running at 48 MHz, it delivers significantly more speed and memory while maintaining full backward compatibility with UNO R3 shields and projects.
New capabilities include CAN bus for automation projects, a 12-bit DAC for audio applications, and USB-C connectivity with HID device support. The enhanced power section accepts up to 24V input, making it suitable for a wider range of power supplies.
Key Features
- Renesas RA4M1 Processor – 32-bit Arm Cortex-M4 at 48 MHz
- 256KB Flash / 32KB SRAM – Significantly more memory than UNO R3
- USB-C Connectivity – Modern programming port with HID device support
- CAN Bus – Built-in support for industrial automation protocols
- 12-bit DAC – True analog output for audio and signal generation
- Onboard Op Amp – For signal conditioning applications
- Wide Input Voltage – 6-24V via VIN pin
- 5V Operating Voltage – Compatible with existing 5V shields and sensors
Ideal For
- Upgrading existing UNO R3 projects
- Industrial automation with CAN bus
- Audio projects requiring analog output
- Projects needing more memory and processing power
Compatibility
- Arduino UNO R3 shields (pin-compatible)
- Arduino Leonardo projects
- Arduino IDE 2.x
Package Contents
- 1× Arduino UNO R4 Minima
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