.. include:: /index.rst :start-after: start_hello_message :end-before: end_hello_message 7. Optional Modules: Camera, 3.5'' Screen, RTL-SDR ============================================================== .. note:: The Pironman 5 series products do not include the following modules. You need to prepare them yourself or purchase them from our official website: * `Camera Module `_ * `3.5'' Touch Screen `_ * `RTL-SDR Blog V4 `_ This section explains how to expand the capabilities of the Pironman 5 series by integrating optional hardware modules, including a camera module, a 3.5-inch touchscreen display, and an RTL-SDR radio receiver. By combining these add-ons, you can enhance interactivity, enable real-time visual input, and unlock advanced wireless signal reception. .. toctree:: :maxdepth: 1 camera_module 35_screen rtl_sdr