Kristianto, P. G.; Adhi Kusuma Negara; Yulianto; Santosa, Y. N.; Winarso, G.; Putra, I. W. S. E. Rancang Bangun Single Beam Echosounder (SBES) Menggunakan Piezoelectric Dengan Menambah Band Pass Filter Berbasis Microcontroller Raspberry Pi Pico : Single Beam Echosounder Design Using Piezoelectric With Addition of Band Pass Filter Based on Raspberry Pi Pico Microcontroller. hidropilar 2025, 10, 101-.