Merry Christmas and Happy New Year 2021! New Year! Take your smartphone vertically and incline it a little. The garlands, the snowflakes and the salut are controlled by the acceleration sensor components x and z (© mIv 2020). NY! green z left right h x1 x2 Ax Az sx sz Sx Sz n5 x5 y5 sound salut go n40 x40 y40 Ax Az 0 4 101 z 0 4 51 h z right -1 right left h Ax x1 h Az x2 Ax sx Az sz Sx sx Sx Sz sz Sz 0 5 6 n5 n5 x5 n5 y5 Az 8.0 0.8 0.0 sound Az 8.0 0.01 go salut go salut salut 0.75 0.0 go salut 0.75 0.0 salut 0 39 40 n40 n40 salut x40 n40 salut y40 x5 y5 x1 h x2 h left z right z Sx Sz x40 y40