5559059122094080Elecfreaks Octopus Gas Sensor MQ-5 Brick OBMQ5 Octopus Electronic Bricks, you can use them build electronics projects just as easy as piling bricks. By using Octopus electronic bricks, you may connect Arduin Product #: businesspro-Elecfreaks Octopus Gas Sensor MQ-5 Brick OBMQ5 https://www.businesspro.store/i/Tv-9QQgAA 2024-12-05 Regular price: $HKD$75.0 Available from: Businesspro MallIn stock