R4 WiFi Development Board Suitable For Various Projects. The R4 WiFi runs on the Renesas RA4M1 (Arm) processor, with a clock speed of 48MHz. The RAM has been upgraded from 2kB to 32kB and the flash memory has been increased from 32kB to 256kB to accommodate more complex projects. In response to feedback from the community, the USB port has been upgraded to USB-C and the maximum power supply voltage has been increased to 24V. The board provides a CAN bus, allowing users to minimize wiring and perform different tasks by connecting multiple extension boards. The board also includes a 12-bit analog input. Color: Black Material: PCB + Electronic Components Different batches may have slight variations in appearance, which do not affect functionality. Package Contents: 1 x R4 WiFi Development Board 1 x Data Cable (Cable color is random and cannot be specified) Only the items listed are included; other products are not included. Note: Lighting and display differences may cause slight color variations between the image and the actual item. Measurement error is +/- 1-3cm.