Magnetoelastomer-based grain flow sensor for combine harvesters. - Xin-Dong Ni; Mao-Lin Li; Fang-Lei Li; Zi-Xuan Dai; Chun-Xiao Xing; Feng Wang; Yan-Xin Yin; Du Chen; Zhizhu He (Comput. Electron. Agric., 2026)