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1 X MQ3 Alcohol Detector Gas Sensor
A high-performance 8 bitrate mini controller is connected
I2C interface
SD Card FAT16 or FAT32 Format and Interface Card
2GT Closed Loop Timing Belt 6mm x 400mm Electricity 1 X MQ3 Alcohol Detector2GT timing belt is widely used in a 3D printer to transfer rotation motion into linear motion. From stepper motor motion (round) to XYZ axis movement which is linear. Features: Durable and practical Designed specifically for linear motion 2GT Pulley and 2GT Belt are used together, very convenient to use Rounded tooth profile guarantees that the belt tooth fits smoothly Good contact with the belt, that minimizes the chance of the belt slipping Width:
