i am using an l2930. https://www.amazon.de/Elegoo-Vollständige-Ultimate-Tutorial-Mikrocontroller/dp/B01IHCCKKK/ref=asc_df_B01IHCCKKK?tag=bingshoppin0b-21&linkCode=df0&hvadid=80676723032072&hvnetw=o&hvqmt=e&hvbmt=be&hvdev=c&hvlocint=&hvlocphy=&hvtargid=pla-4584276297528011&psc=1