何気に3chまであるの良いわねhttps://ja.aliexpress.com/item/High-quality-Hantek-DSO5102P-Digital-storage-oscilloscope-100MHz-2Channels-1GSa-s-7-TFT-LCD-Better-Than/32706058377.html?spm=a2g11.search0104.3.72.6a4d3bfdMBRYQg&ws_ab_test=searchweb0_0,searchweb201602_3_10065_10068_10890_319_10546_317_10548_10696_453_10084_454_10083_10618_10307_538_537_536_10059_10884_10887_100031_321_322_10103-10890,searchweb201603_51,ppcSwitch_0&algo_expid=34961fcd-a0e2-4657-adee-19769e62f24d-13&algo_pvid=34961fcd-a0e2-4657-adee-19769e62f24d
思考の /dev/null
