Arduino UNO R4是2023年推出的新一代经典开发板，搭载32位瑞萨RA4M1 Cortex-M4处理器，性能提升显著，新增Wi-Fi、DAC等实用功能。它配备了 32 kB 的 RAM 内存，48 MHz 的时钟速度，以及一个 USB-C® 接口。 这是第一款使用 32 位架构的 UNO 开发板，之前的版本基于 8 位 AVR 架构。

几个月前就发布的Arduino UNO R4 Minima和Arduino UNO R4 WiFi现已正式发布。昨天，正式在Arduino Store上架开卖了，全新的版本为我们的DIY世界又多了很多可能，由以前的8位MCU提升到32位的Arm Cortex-M4，内存增加了16倍，其它性能更是有不少的提升。「售价分别为 20 美元（18 ...

Two new variants of the Arduino Uno development board, the lightweight Uno R4 Minima and the full-fledged Uno R4 WiFi, are each powered by a 32-bit microcontroller. These next-generation Uno boards ...

Arduino has launched its next generation of UNO boards, introducing a 32-bit Renesas microcontroller and Espressif ESP32-S3 module, one-click cloud connectivity and plenty of I/O plus a 12×8 red LED ...

If like us you have been patiently waiting for the official launch of the new Arduino Uno UNO R4 microcontroller, you’ll be pleased to know that it is now available to purchase directly from the ...