{"title":"Octopus Passive buzzer Brick OBPB01","handle":"octopus-passive-buzzer-brick-obpb01","url":"/products/octopus-passive-buzzer-brick-obpb01","description":"The Octopus Passive Buzzer Brick is a plug-and-play buzzer module from the Elecfreaks Octopus series. Unlike an active buzzer, the passive design lets you control both tone and volume via PWM, making it ideal for generating melodies, alarms, and sound effects.\n\nPart of the Octopus Electronic Bricks range, it connects directly to Arduino, micro:bit (via Octopus:bit), and other compatible boards using a standard 3-pin analogue interface — no breadboard or soldering required.\n\nKey Features\n\n\nPassive Buzzer – PWM-controllable tone and volume\n\nPlug-and-Play – 3-pin connector (Signal, VCC, GND) for breadboard-free wiring\n\nWide Compatibility – Works with Arduino, micro:bit, and other 5 V boards\n\nCompact Size – 19 × 27 mm\n\n\nSpecifications\n\n\nPower Supply: 5 V\n\nInterface: Analogue (3-pin: S / V / G)\n\nDimensions: 19 × 27 mm\n\n\nPackage Contents\n\n1× Octopus Passive Buzzer Brick (OBPB01)\n\n\nResources\n\nMakeCode example program\n","vendor":"ElecFreaks","product_type":"physical","in_stock":true,"options":[],"variants":[{"id":4607,"title":"Default Title","sku":"EF-EF04031","price":6.1,"on_sale":false,"in_stock":true,"available_quantity":103,"option1":"Default Title"}]}