<p>There's a few problems with the projector route though, like the limited brightness and heat, plus i might not always have the best ground in front of me to project on as well as other difficulties that come with using a projector, so another route could be a <a href="https://www.amazon.com/dp/B09ZL3NCJN/?coliid=ILXX4AHH3N1TB&amp;colid=3NKUEGTQPP9GW&amp;psc=1&amp;ref_=lv_ov_lig_dp_it" target="_blank" rel="noreferrer noopener">portable screen</a> with a built-in battery, those kinds of screens are made for laptops as a second portable screen but they fit this project requirements quite well. </p>