DIY Active Low Level Trigger Buzzer Alarm Module for Arduino (Works with Official Arduino Boards)
Model No Quantity 1 Color Blue Material PCB Features Uses S8550 audion drive Working voltage: 3.3~5V PCB size: 3.2 x 1.3cm; When the I / O port input is low-level the buzzer sounds Application DIY projects Packing List 1 x Module