#### FAQ #### .. admonition:: What is MicroPython and how to use it? :class: dropdown, toggle Please refer to `MicroPython official website `_ for more information. .. admonition:: Can I use all Python libraries available online? :class: dropdown, toggle No, MicroPython only support a small section of the classic Python standard library. However, this can be done by porting the classic python library to MicroPython. .. admonition:: Are all pins on RTL8722CSM/RTL8722DM usable? :class: dropdown, toggle No, those marked “NC” are not connected to any pin and thus unusable. .. admonition:: Does RTL8722CSM support 5G WiFi? :class: dropdown, toggle No. Only RTL8722DM supports dual band 2.4G + 5G WiFi. RTL8722CSM only supports single band 2.4G WiFi. .. admonition:: How to enter the download mode? :class: dropdown, toggle Press and hold the UART DOWNLOAD button. Then Press the RESET button and release both UART DOWNLOAD and RESET buttons.