(For UNO R4) Hardware Backward Compatibility - for UNO R4 maintains the same pin layout and 5V operating voltage as for UNO R3. This means that existing expansion boards and projects can be easily ported to boards. onboard peripherals - The for UNO R4 board features multiple exciting peripherals, including a 12 bit DAC,CAN bus, operational amplifier, and SWD port. These newly added peripherals have expanded the possibilities for developers, making more advanced projects possible. More memory and faster clock - With the increase of storage capacity (16x) and clock speed (3x), for UNO R4 Minima can perform more accurate calculations and handle more complex projects. TZT,This enables manufacturers to build more complex and advanced projects. Communication between human-machine interaction devices through USB-C - The for UNO R4 can simulate a mouse or keyboard when connected to its USB-C port, making it easy for manufacturers to create a fast and cool interface. Large voltage range and electrical stability - The for UNO R4 board can use up to 24V power supply. thanks to its improved thermal design. Multiple protective measures are adopted in the circuit design to reduce the risk of damage to the board or computer caused by wiring errors by unfamiliar users. In addition, the pins of the RA4M1 microcontroller have overcurrent protection functionwhich can provide additional protection to prevent errors from occurring. Capacitive touch support - The RA4M1 microcontroller used on the for UNO R4 board natively supports capacitive touch. Equipped with WiFiand Bluetooth functions - The for UNO R4 WiFi has an ESP32-S3-MINI coprocessor that enhances the functionality of the RA4M1 microcontroller. Equipped with WiFiand Bluetooth connectivity capabilities, developers can easily connect to the internet and create loT projects. Onboard 12x8 LED matrix -The for UNO R4 WiFi board is equipped with a bright 12x8 red LED matrix(a total of 96 points). This feature is very suitable for crea