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passive buzzer requires an AC signal to make a sound
Output type: 5V TTL
256KB Flash
etc) data via Bluetooth to wirelessly communicate with your computer
and the mobile holder's clamping range is 5cm to 10
LPG Gas Sensor MQ6 (Analog/Digital) Micro Servo passive buzzer requires an ACIntroduction: The MQ 6 Gas sensor can detect or measure gases like LPG, methane and butane. The MQ 6 sensor module comes with a Digital Pin which makes this sensor to operate even without a microcontroller and that comes in handy when you are only trying to detect one particular gas. When it comes to measuring the gas in ppm the analog pin has to be used, the analog pin also TTL driven and works on 5V and hence can be used with most common