@spicypizza the sensor used is a Avago ADNS-'''''S9818''''' It is available at places [https://www.aliexpress.com/i/33016029474.html?ws_ab_test=searchweb0_0,searchweb201602_0_10130_453_454_10618_536_10890_317_537_319_10059_10696_10084_10083_10547_10546_10887_10307_321_10548_322_10065_10068_10103_10884_10545,searchweb201603_0,ppcSwitch_0&algo_pvid=741680e3-8dfe-4586-97eb-c0a90b656a78&algo_expid=741680e3-8dfe-4586-97eb-c0a90b656a78-3|like this]. It is a LGA chip and requires some good soldering but definitely doable. To work on your mouse use these guides [[Topic:Razer Ouroboros]]