Click to expand Tap to zoom Octopus Passive buzzer Brick OBPB01 for micro:bit by Elecfreaks Save HK$-2.00 HK$28.00 | / 1 2 3 4 5 6 7 8 9 10+ Quantity Quantity Add to cart Octopus Passive buzzer Brick is based on a passive buzzer, it could control the volume by PWM. The distinction is active buzzer stickers.
