PERANCANGAN SISTEM IDENTIFIKASI JENIS PASIR (HALUS-KASAR) BERBASIS SENSOR MPU6050 DENGAN FAST FOURIER TRANSFORM (FFT) DAN RULE -BASED THRESHOLD SERTA DASHBOARD IOT. Kohesi [Internet]. 2026 Sep. 12 [cited 2026 Oct. 17];11(4). Available from: https://journal.cib.institute/index.php/kohesi/article/view/4073